/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/Problem01_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:43:39,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:43:39,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:43:39,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:43:39,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:43:39,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:43:39,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:43:39,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:43:39,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:43:39,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:43:39,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:43:39,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:43:39,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:43:39,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:43:39,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:43:39,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:43:39,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:43:39,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:43:39,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:43:39,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:43:39,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:43:39,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:43:39,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:43:39,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:43:39,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:43:39,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:43:39,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:43:39,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:43:39,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:43:39,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:43:39,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:43:39,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:43:39,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:43:39,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:43:39,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:43:39,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:43:39,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:43:39,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:43:39,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:43:39,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:43:39,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:43:39,563 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 00:43:39,587 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:43:39,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:43:39,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:43:39,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:43:39,589 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:43:39,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:43:39,589 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:43:39,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:43:39,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:43:39,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:43:39,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:43:39,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:43:39,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:43:39,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:43:39,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:43:39,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:43:39,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:43:39,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:43:39,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:43:39,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:43:39,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:43:39,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:43:39,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:43:39,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:43:39,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:43:39,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:43:39,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:43:39,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:43:39,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:43:39,594 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:43:39,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:43:39,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:43:39,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:43:39,933 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:43:39,933 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:43:39,934 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label40.c [2020-10-14 00:43:40,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cb11ad00/ca0b210411b94ebf960779d0e561bcf9/FLAGc3f3536f3 [2020-10-14 00:43:40,558 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:43:40,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label40.c [2020-10-14 00:43:40,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cb11ad00/ca0b210411b94ebf960779d0e561bcf9/FLAGc3f3536f3 [2020-10-14 00:43:40,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cb11ad00/ca0b210411b94ebf960779d0e561bcf9 [2020-10-14 00:43:40,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:43:40,802 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:43:40,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:43:40,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:43:40,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:43:40,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:43:40" (1/1) ... [2020-10-14 00:43:40,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f77297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:40, skipping insertion in model container [2020-10-14 00:43:40,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:43:40" (1/1) ... [2020-10-14 00:43:40,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:43:40,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:43:41,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:43:41,335 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:43:41,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:43:41,561 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:43:41,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:41 WrapperNode [2020-10-14 00:43:41,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:43:41,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:43:41,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:43:41,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:43:41,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:41" (1/1) ... [2020-10-14 00:43:41,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:41" (1/1) ... [2020-10-14 00:43:41,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:41" (1/1) ... [2020-10-14 00:43:41,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:41" (1/1) ... [2020-10-14 00:43:41,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:41" (1/1) ... [2020-10-14 00:43:41,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:41" (1/1) ... [2020-10-14 00:43:41,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:41" (1/1) ... [2020-10-14 00:43:41,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:43:41,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:43:41,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:43:41,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:43:41,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:41" (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 00:43:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:43:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:43:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:43:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:43:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:43:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:43:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:43:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:43:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:43:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:43:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:43:42,963 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:43:42,963 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:43:42,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:43:42 BoogieIcfgContainer [2020-10-14 00:43:42,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:43:42,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:43:42,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:43:42,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:43:42,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:43:40" (1/3) ... [2020-10-14 00:43:42,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db44e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:43:42, skipping insertion in model container [2020-10-14 00:43:42,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:41" (2/3) ... [2020-10-14 00:43:42,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db44e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:43:42, skipping insertion in model container [2020-10-14 00:43:42,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:43:42" (3/3) ... [2020-10-14 00:43:42,978 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label40.c [2020-10-14 00:43:42,989 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:43:42,997 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:43:43,012 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:43:43,039 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:43:43,040 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:43:43,043 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:43:43,043 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:43:43,043 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:43:43,044 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:43:43,044 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:43:43,044 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:43:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-14 00:43:43,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 00:43:43,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:43:43,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:43:43,090 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:43:43,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:43:43,095 INFO L82 PathProgramCache]: Analyzing trace with hash 900807719, now seen corresponding path program 1 times [2020-10-14 00:43:43,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:43:43,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260361166] [2020-10-14 00:43:43,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:43:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:43,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:43,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:44,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:43:44,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-14 00:43:44,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:43:44,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1635 [2020-10-14 00:43:44,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:43:44,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:43:44,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:43:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:43:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 00:43:44,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 00:43:45,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:43:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:45,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:45,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:43:45,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:43:45,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:43:45,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 00:43:45,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:43:45,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:43:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:43:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:43:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:43:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:43:45,274 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 00:43:45,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260361166] [2020-10-14 00:43:45,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:43:45,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:43:45,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775093946] [2020-10-14 00:43:45,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:43:45,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:43:45,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:43:45,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:43:45,305 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-10-14 00:43:46,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:43:46,761 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-10-14 00:43:46,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:43:46,764 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2020-10-14 00:43:46,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:43:46,796 INFO L225 Difference]: With dead ends: 557 [2020-10-14 00:43:46,796 INFO L226 Difference]: Without dead ends: 286 [2020-10-14 00:43:46,803 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:43:46,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-14 00:43:46,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-10-14 00:43:46,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-14 00:43:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2020-10-14 00:43:46,883 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 93 [2020-10-14 00:43:46,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:43:46,884 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2020-10-14 00:43:46,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:43:46,885 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2020-10-14 00:43:46,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-14 00:43:46,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:43:46,897 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:43:46,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:43:46,898 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:43:46,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:43:46,899 INFO L82 PathProgramCache]: Analyzing trace with hash 33868842, now seen corresponding path program 1 times [2020-10-14 00:43:46,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:43:46,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706948931] [2020-10-14 00:43:46,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:43:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:46,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:47,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:48,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:50,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:43:50,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 00:43:50,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:43:50,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3525 [2020-10-14 00:43:50,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:43:50,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:43:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:43:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 00:43:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 00:43:50,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:43:50,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:43:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:50,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:50,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:43:50,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:43:50,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:43:50,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:43:50,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:43:50,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:43:50,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:43:50,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:43:50,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:43:50,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:43:50,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:43:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:50,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:50,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:43:50,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:43:50,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:43:50,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:43:50,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:43:50,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:43:50,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:43:50,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:43:50,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:43:50,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 00:43:50,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:43:50,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706948931] [2020-10-14 00:43:50,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:43:50,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:43:50,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029139301] [2020-10-14 00:43:50,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:43:50,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:43:50,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:43:50,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:43:50,691 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 5 states. [2020-10-14 00:43:51,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:43:51,759 INFO L93 Difference]: Finished difference Result 834 states and 1240 transitions. [2020-10-14 00:43:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:43:51,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-10-14 00:43:51,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:43:51,772 INFO L225 Difference]: With dead ends: 834 [2020-10-14 00:43:51,772 INFO L226 Difference]: Without dead ends: 560 [2020-10-14 00:43:51,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:43:51,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-14 00:43:51,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 419. [2020-10-14 00:43:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-10-14 00:43:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2020-10-14 00:43:51,839 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 102 [2020-10-14 00:43:51,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:43:51,840 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2020-10-14 00:43:51,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:43:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2020-10-14 00:43:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-14 00:43:51,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:43:51,845 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:43:51,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:43:51,845 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:43:51,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:43:51,846 INFO L82 PathProgramCache]: Analyzing trace with hash -530014247, now seen corresponding path program 1 times [2020-10-14 00:43:51,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:43:51,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794935248] [2020-10-14 00:43:51,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:43:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:51,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:51,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:53,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:53,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:54,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:54,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:43:54,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 00:43:54,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:43:54,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2919 [2020-10-14 00:43:54,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:43:54,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:43:54,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:43:54,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-14 00:43:54,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 00:43:54,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:43:54,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:43:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:54,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:54,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:43:54,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:43:54,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:43:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:43:54,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:43:54,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:43:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:43:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:43:54,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:43:54,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:43:54,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:43:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:54,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:54,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:43:54,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 00:43:54,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:43:54,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 00:43:54,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:43:54,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:43:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:43:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:43:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:43:54,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:43:54,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 00:43:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:54,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:54,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:43:54,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 00:43:54,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:43:54,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 00:43:54,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:43:54,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:43:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:43:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:43:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 00:43:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:43:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 00:43:54,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1794935248] [2020-10-14 00:43:54,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:43:54,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 00:43:54,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146625880] [2020-10-14 00:43:54,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 00:43:54,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:43:54,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 00:43:54,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:43:54,997 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 6 states. [2020-10-14 00:43:56,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:43:56,576 INFO L93 Difference]: Finished difference Result 1521 states and 2190 transitions. [2020-10-14 00:43:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:43:56,577 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2020-10-14 00:43:56,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:43:56,590 INFO L225 Difference]: With dead ends: 1521 [2020-10-14 00:43:56,591 INFO L226 Difference]: Without dead ends: 1108 [2020-10-14 00:43:56,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:43:56,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-10-14 00:43:56,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1104. [2020-10-14 00:43:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2020-10-14 00:43:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1500 transitions. [2020-10-14 00:43:56,677 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1500 transitions. Word has length 120 [2020-10-14 00:43:56,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:43:56,678 INFO L479 AbstractCegarLoop]: Abstraction has 1104 states and 1500 transitions. [2020-10-14 00:43:56,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 00:43:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1500 transitions. [2020-10-14 00:43:56,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-14 00:43:56,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:43:56,696 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:43:56,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:43:56,696 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:43:56,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:43:56,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1698324162, now seen corresponding path program 1 times [2020-10-14 00:43:56,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:43:56,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6904835] [2020-10-14 00:43:56,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:43:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:56,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:56,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:56,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:58,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:01,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:01,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-14 00:44:01,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:44:01,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 00:44:01,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:01,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:01,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:01,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 00:44:01,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 00:44:01,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:01,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:01,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:01,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:01,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:01,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:01,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:44:01,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:01,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:01,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:01,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:01,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:01,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 00:44:01,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:01,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 00:44:01,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:01,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 00:44:01,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:01,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 00:44:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:01,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:02,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:02,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 00:44:02,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:02,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 00:44:02,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:02,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:02,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:02,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:44:02,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 00:44:02,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:44:02,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 00:44:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:02,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:02,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 00:44:02,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:02,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 00:44:02,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:02,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:02,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 00:44:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:02,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:44:02,194 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 66 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 00:44:02,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6904835] [2020-10-14 00:44:02,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:44:02,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:44:02,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377382702] [2020-10-14 00:44:02,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:44:02,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:02,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:44:02,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:44:02,198 INFO L87 Difference]: Start difference. First operand 1104 states and 1500 transitions. Second operand 7 states. [2020-10-14 00:44:04,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:04,686 INFO L93 Difference]: Finished difference Result 3150 states and 4698 transitions. [2020-10-14 00:44:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:44:04,687 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-10-14 00:44:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:04,715 INFO L225 Difference]: With dead ends: 3150 [2020-10-14 00:44:04,716 INFO L226 Difference]: Without dead ends: 2052 [2020-10-14 00:44:04,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:44:04,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2020-10-14 00:44:04,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1549. [2020-10-14 00:44:04,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1549 states. [2020-10-14 00:44:04,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2029 transitions. [2020-10-14 00:44:04,836 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2029 transitions. Word has length 156 [2020-10-14 00:44:04,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:04,837 INFO L479 AbstractCegarLoop]: Abstraction has 1549 states and 2029 transitions. [2020-10-14 00:44:04,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:44:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2029 transitions. [2020-10-14 00:44:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-14 00:44:04,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:04,844 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:44:04,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:44:04,844 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:04,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:04,845 INFO L82 PathProgramCache]: Analyzing trace with hash 557642, now seen corresponding path program 1 times [2020-10-14 00:44:04,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:04,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525036504] [2020-10-14 00:44:04,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:04,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:04,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:05,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:09,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:09,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 00:44:09,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:44:09,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 00:44:09,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:09,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:09,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:09,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-14 00:44:09,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 00:44:09,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:09,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:09,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:09,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:09,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:09,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:44:09,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:09,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:09,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:10,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:10,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:10,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 00:44:10,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:44:10,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:10,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:10,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:10,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 00:44:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:10,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:10,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:10,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 00:44:10,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:10,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 00:44:10,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:10,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:10,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 00:44:10,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:10,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 00:44:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:10,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:10,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:10,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 00:44:10,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:10,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 00:44:10,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:10,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:10,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:10,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:44:10,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 00:44:10,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 00:44:10,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525036504] [2020-10-14 00:44:10,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:44:10,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:44:10,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405160325] [2020-10-14 00:44:10,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:44:10,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:10,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:44:10,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:44:10,221 INFO L87 Difference]: Start difference. First operand 1549 states and 2029 transitions. Second operand 7 states. [2020-10-14 00:44:12,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:12,701 INFO L93 Difference]: Finished difference Result 3869 states and 5372 transitions. [2020-10-14 00:44:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:44:12,701 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2020-10-14 00:44:12,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:12,724 INFO L225 Difference]: With dead ends: 3869 [2020-10-14 00:44:12,724 INFO L226 Difference]: Without dead ends: 2469 [2020-10-14 00:44:12,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:44:12,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2469 states. [2020-10-14 00:44:12,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2469 to 2413. [2020-10-14 00:44:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2413 states. [2020-10-14 00:44:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2413 states and 3131 transitions. [2020-10-14 00:44:12,843 INFO L78 Accepts]: Start accepts. Automaton has 2413 states and 3131 transitions. Word has length 160 [2020-10-14 00:44:12,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:12,844 INFO L479 AbstractCegarLoop]: Abstraction has 2413 states and 3131 transitions. [2020-10-14 00:44:12,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:44:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 3131 transitions. [2020-10-14 00:44:12,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-14 00:44:12,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:12,854 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:44:12,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:44:12,854 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:12,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:12,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1874972126, now seen corresponding path program 1 times [2020-10-14 00:44:12,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:12,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493667940] [2020-10-14 00:44:12,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:12,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:12,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:13,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:13,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:13,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:17,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:17,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-14 00:44:17,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:44:17,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 00:44:17,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:17,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:17,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:17,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-14 00:44:17,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 00:44:17,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:44:18,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:18,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:18,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:18,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:18,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:18,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:44:18,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:18,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:18,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:18,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:18,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:18,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:18,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:18,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:18,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 00:44:18,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:18,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:44:18,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:18,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:18,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:18,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 00:44:18,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 00:44:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:18,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:18,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:18,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 00:44:18,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:18,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 00:44:18,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:18,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:18,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:18,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 00:44:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:18,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:18,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:18,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 00:44:18,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 00:44:18,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:18,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:44:18,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:44:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 81 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-14 00:44:18,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493667940] [2020-10-14 00:44:18,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:44:18,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:44:18,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013076603] [2020-10-14 00:44:18,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:44:18,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:18,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:44:18,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:44:18,242 INFO L87 Difference]: Start difference. First operand 2413 states and 3131 transitions. Second operand 5 states. [2020-10-14 00:44:19,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:19,543 INFO L93 Difference]: Finished difference Result 4925 states and 6394 transitions. [2020-10-14 00:44:19,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:44:19,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 180 [2020-10-14 00:44:19,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:19,544 INFO L225 Difference]: With dead ends: 4925 [2020-10-14 00:44:19,545 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:44:19,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:44:19,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:44:19,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:44:19,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:44:19,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:44:19,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2020-10-14 00:44:19,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:19,556 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:44:19,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:44:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:44:19,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:44:19,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:44:19,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:44:20,110 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-10-14 00:44:20,359 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-10-14 00:44:20,913 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 45 [2020-10-14 00:44:21,031 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:44:21,032 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 00:44:21,032 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:44:21,032 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-10-14 00:44:21,032 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-10-14 00:44:21,032 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,033 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,033 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,033 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,033 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,033 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,033 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-10-14 00:44:21,033 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-10-14 00:44:21,034 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-14 00:44:21,034 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-14 00:44:21,034 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-14 00:44:21,034 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-14 00:44:21,034 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-14 00:44:21,034 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-14 00:44:21,034 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-10-14 00:44:21,035 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-10-14 00:44:21,035 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,035 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,035 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,035 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,035 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,035 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,035 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-10-14 00:44:21,036 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-10-14 00:44:21,036 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-14 00:44:21,036 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-14 00:44:21,036 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-14 00:44:21,036 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-14 00:44:21,036 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-14 00:44:21,036 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-14 00:44:21,037 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-10-14 00:44:21,037 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-10-14 00:44:21,037 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-10-14 00:44:21,037 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 437) no Hoare annotation was computed. [2020-10-14 00:44:21,037 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-10-14 00:44:21,037 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-10-14 00:44:21,037 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-10-14 00:44:21,038 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-10-14 00:44:21,038 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,038 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,038 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,039 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,039 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,039 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-10-14 00:44:21,039 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-10-14 00:44:21,040 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-14 00:44:21,040 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-14 00:44:21,040 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-14 00:44:21,040 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-14 00:44:21,040 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-14 00:44:21,040 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-14 00:44:21,040 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-10-14 00:44:21,041 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,041 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,041 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,043 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,045 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,045 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-10-14 00:44:21,045 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-14 00:44:21,045 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-14 00:44:21,046 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-14 00:44:21,046 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-14 00:44:21,046 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-14 00:44:21,046 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-10-14 00:44:21,046 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-10-14 00:44:21,046 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-10-14 00:44:21,046 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-10-14 00:44:21,046 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-10-14 00:44:21,047 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-10-14 00:44:21,047 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-10-14 00:44:21,047 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,047 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,047 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,047 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,047 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,047 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-10-14 00:44:21,047 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-10-14 00:44:21,048 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-10-14 00:44:21,048 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-14 00:44:21,048 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-14 00:44:21,048 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-14 00:44:21,048 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-14 00:44:21,048 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-10-14 00:44:21,048 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-10-14 00:44:21,048 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,048 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,049 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,049 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,049 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,049 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,049 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-10-14 00:44:21,049 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,049 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-10-14 00:44:21,049 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-10-14 00:44:21,050 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-14 00:44:21,050 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-14 00:44:21,050 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-14 00:44:21,050 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-14 00:44:21,050 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-14 00:44:21,050 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-10-14 00:44:21,050 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-10-14 00:44:21,051 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-10-14 00:44:21,051 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-10-14 00:44:21,051 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-10-14 00:44:21,051 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-10-14 00:44:21,051 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,051 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,051 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,051 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,052 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,052 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-10-14 00:44:21,052 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-14 00:44:21,053 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-14 00:44:21,053 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-14 00:44:21,053 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-14 00:44:21,053 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-14 00:44:21,053 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-10-14 00:44:21,053 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-10-14 00:44:21,053 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,055 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,055 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,055 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,055 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,055 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-10-14 00:44:21,055 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-10-14 00:44:21,055 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-10-14 00:44:21,056 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-10-14 00:44:21,056 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-14 00:44:21,056 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-14 00:44:21,058 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-14 00:44:21,058 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-14 00:44:21,058 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-14 00:44:21,058 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-10-14 00:44:21,059 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse6 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 .cse6 .cse5))) (and (or .cse0 (= |old(~a21~0)| 1)) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a16~0 4)) (not (= 4 |old(~a16~0)|))) (or (not (<= 15 |old(~a8~0)|)) .cse0) (or (= |old(~a8~0)| 13) (not (<= |old(~a16~0)| 5)) .cse0) (or (not (= |old(~a17~0)| |old(~a20~0)|)) (and .cse2 (= ~a20~0 ~a17~0) .cse3 .cse4 .cse6 .cse5))))) [2020-10-14 00:44:21,060 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-10-14 00:44:21,060 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,060 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,060 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,060 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,060 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-10-14 00:44:21,060 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,060 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,061 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-10-14 00:44:21,061 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-10-14 00:44:21,061 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-14 00:44:21,061 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-14 00:44:21,061 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-14 00:44:21,061 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-14 00:44:21,061 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-14 00:44:21,061 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-14 00:44:21,062 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-10-14 00:44:21,062 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-10-14 00:44:21,062 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-10-14 00:44:21,062 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-10-14 00:44:21,062 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,062 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,062 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,062 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,063 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,063 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-10-14 00:44:21,063 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,063 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-10-14 00:44:21,063 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-10-14 00:44:21,063 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-14 00:44:21,063 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-14 00:44:21,063 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-14 00:44:21,064 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-14 00:44:21,064 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-14 00:44:21,064 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-14 00:44:21,064 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-10-14 00:44:21,064 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-10-14 00:44:21,064 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-10-14 00:44:21,064 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-10-14 00:44:21,064 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-10-14 00:44:21,064 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-10-14 00:44:21,065 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,065 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,065 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,065 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,065 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,065 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:21,065 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-10-14 00:44:21,065 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-14 00:44:21,065 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-14 00:44:21,066 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-14 00:44:21,066 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-14 00:44:21,066 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-14 00:44:21,066 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-14 00:44:21,066 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-10-14 00:44:21,067 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-10-14 00:44:21,067 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-10-14 00:44:21,067 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:44:21,067 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a20~0 ~a17~0) (<= ~a16~0 5) (<= 15 ~a8~0)) [2020-10-14 00:44:21,067 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:44:21,068 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:44:21,068 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= |old(~a16~0)| 5)) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a20~0 ~a17~0) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|))) [2020-10-14 00:44:21,068 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-10-14 00:44:21,068 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (and (<= ~a16~0 5) (not (= ~a8~0 13))) (= ~a20~0 ~a17~0) (not (<= |old(~a16~0)| 5)) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (= ~a21~0 1)) (= ~a16~0 4) (<= 15 ~a8~0)) [2020-10-14 00:44:21,068 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-14 00:44:21,069 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-14 00:44:21,069 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (and (<= ~a16~0 5) (not (= ~a8~0 13))) (= ~a20~0 ~a17~0) (not (<= |old(~a16~0)| 5)) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (= ~a21~0 1)) (= ~a16~0 4) (<= 15 ~a8~0)) [2020-10-14 00:44:21,069 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-10-14 00:44:21,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:44:21 BoogieIcfgContainer [2020-10-14 00:44:21,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:44:21,118 INFO L168 Benchmark]: Toolchain (without parser) took 40315.37 ms. Allocated memory was 138.4 MB in the beginning and 906.5 MB in the end (delta: 768.1 MB). Free memory was 100.6 MB in the beginning and 757.8 MB in the end (delta: -657.2 MB). Peak memory consumption was 751.1 MB. Max. memory is 7.1 GB. [2020-10-14 00:44:21,119 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-14 00:44:21,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.83 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 169.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2020-10-14 00:44:21,128 INFO L168 Benchmark]: Boogie Preprocessor took 128.72 ms. Allocated memory is still 203.4 MB. Free memory was 169.9 MB in the beginning and 164.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-14 00:44:21,129 INFO L168 Benchmark]: RCFGBuilder took 1277.82 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 164.8 MB in the beginning and 179.4 MB in the end (delta: -14.6 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-10-14 00:44:21,130 INFO L168 Benchmark]: TraceAbstraction took 38143.56 ms. Allocated memory was 234.4 MB in the beginning and 906.5 MB in the end (delta: 672.1 MB). Free memory was 178.0 MB in the beginning and 757.8 MB in the end (delta: -579.9 MB). Peak memory consumption was 732.5 MB. Max. memory is 7.1 GB. [2020-10-14 00:44:21,143 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.83 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 169.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.72 ms. Allocated memory is still 203.4 MB. Free memory was 169.9 MB in the beginning and 164.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1277.82 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 164.8 MB in the beginning and 179.4 MB in the end (delta: -14.6 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38143.56 ms. Allocated memory was 234.4 MB in the beginning and 906.5 MB in the end (delta: 672.1 MB). Free memory was 178.0 MB in the beginning and 757.8 MB in the end (delta: -579.9 MB). Peak memory consumption was 732.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 437]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((a16 <= 5 && !(a8 == 13)) || a20 == a17) || !(\old(a16) <= 5)) || !(\old(a17) == \old(a20))) || !(15 <= \old(a8))) || !(a21 == 1)) || a16 == 4) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.5s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 200 SDtfs, 2349 SDslu, 210 SDs, 0 SdLazy, 5443 SolverSat, 794 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2413occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 710 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 66 PreInvPairs, 110 NumberOfFragments, 292 HoareAnnotationTreeSize, 66 FomulaSimplifications, 51055 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2061 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 24.6s InterpolantComputationTime, 811 NumberOfCodeBlocks, 811 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 805 ConstructedInterpolants, 0 QuantifiedInterpolants, 339162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 346/376 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...