/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=BIGGEST --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/Problem02_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:13:18,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:13:18,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:13:18,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:13:18,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:13:18,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:13:18,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:13:18,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:13:18,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:13:18,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:13:18,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:13:18,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:13:18,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:13:18,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:13:18,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:13:18,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:13:18,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:13:18,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:13:18,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:13:18,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:13:18,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:13:18,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:13:18,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:13:18,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:13:18,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:13:18,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:13:18,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:13:18,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:13:18,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:13:18,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:13:18,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:13:18,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:13:18,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:13:18,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:13:18,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:13:18,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:13:18,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:13:18,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:13:18,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:13:18,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:13:18,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:13:18,707 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 [2020-10-12 11:13:18,731 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:13:18,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:13:18,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:13:18,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:13:18,733 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:13:18,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:13:18,733 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:13:18,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:13:18,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:13:18,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:13:18,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:13:18,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:13:18,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:13:18,734 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:13:18,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:13:18,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:13:18,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:13:18,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:13:18,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:13:18,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:13:18,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:13:18,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:13:18,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:13:18,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:13:18,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:13:18,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:13:18,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:13:18,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:13:18,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:13:18,738 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 11:13:19,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:13:19,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:13:19,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:13:19,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:13:19,109 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:13:19,110 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2020-10-12 11:13:19,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/780fff6bd/0a89496517e64cf78707f8c63cd475c9/FLAG255e5cb48 [2020-10-12 11:13:19,658 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:13:19,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2020-10-12 11:13:19,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/780fff6bd/0a89496517e64cf78707f8c63cd475c9/FLAG255e5cb48 [2020-10-12 11:13:20,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/780fff6bd/0a89496517e64cf78707f8c63cd475c9 [2020-10-12 11:13:20,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:13:20,034 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:13:20,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:13:20,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:13:20,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:13:20,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:20" (1/1) ... [2020-10-12 11:13:20,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d3ce57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:20, skipping insertion in model container [2020-10-12 11:13:20,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:20" (1/1) ... [2020-10-12 11:13:20,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:13:20,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:13:20,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:13:20,676 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:13:20,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:13:20,795 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:13:20,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:20 WrapperNode [2020-10-12 11:13:20,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:13:20,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:13:20,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:13:20,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:13:20,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:20" (1/1) ... [2020-10-12 11:13:20,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:20" (1/1) ... [2020-10-12 11:13:20,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:20" (1/1) ... [2020-10-12 11:13:20,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:20" (1/1) ... [2020-10-12 11:13:20,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:20" (1/1) ... [2020-10-12 11:13:20,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:20" (1/1) ... [2020-10-12 11:13:20,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:20" (1/1) ... [2020-10-12 11:13:20,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:13:20,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:13:20,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:13:20,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:13:20,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:20" (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 [2020-10-12 11:13:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:13:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:13:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:13:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:13:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:13:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:13:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:13:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:13:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:13:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:13:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:13:22,192 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:13:22,193 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:13:22,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:22 BoogieIcfgContainer [2020-10-12 11:13:22,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:13:22,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:13:22,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:13:22,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:13:22,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:13:20" (1/3) ... [2020-10-12 11:13:22,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588505fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:22, skipping insertion in model container [2020-10-12 11:13:22,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:20" (2/3) ... [2020-10-12 11:13:22,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588505fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:22, skipping insertion in model container [2020-10-12 11:13:22,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:22" (3/3) ... [2020-10-12 11:13:22,215 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label27.c [2020-10-12 11:13:22,226 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:13:22,239 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:13:22,254 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:13:22,288 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:13:22,289 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:13:22,289 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:13:22,289 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:13:22,289 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:13:22,290 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:13:22,290 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:13:22,290 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:13:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-12 11:13:22,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-12 11:13:22,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:22,325 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:22,325 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:22,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:22,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1156369505, now seen corresponding path program 1 times [2020-10-12 11:13:22,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:22,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944833282] [2020-10-12 11:13:22,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:22,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:23,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:24,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:24,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-12 11:13:24,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:24,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1717 [2020-10-12 11:13:24,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:13:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:13:24,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 11:13:24,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:24,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:24,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:24,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:24,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:24,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:13:24,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:24,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:24,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:24,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944833282] [2020-10-12 11:13:24,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:13:24,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 11:13:24,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615346376] [2020-10-12 11:13:24,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:24,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:24,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:24,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:24,972 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 12 states. [2020-10-12 11:13:25,293 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-12 11:13:25,486 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-12 11:13:25,699 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2020-10-12 11:13:25,910 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2020-10-12 11:13:26,125 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-10-12 11:13:26,624 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-10-12 11:13:26,999 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2020-10-12 11:13:28,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:28,041 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-12 11:13:28,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:13:28,046 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2020-10-12 11:13:28,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:28,069 INFO L225 Difference]: With dead ends: 536 [2020-10-12 11:13:28,069 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:13:28,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:13:28,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:13:28,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:13:28,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:13:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-12 11:13:28,141 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 101 [2020-10-12 11:13:28,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:28,142 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-12 11:13:28,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-12 11:13:28,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 11:13:28,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:28,148 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:28,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:13:28,149 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:28,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:28,150 INFO L82 PathProgramCache]: Analyzing trace with hash 2029517328, now seen corresponding path program 1 times [2020-10-12 11:13:28,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:28,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223148957] [2020-10-12 11:13:28,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:28,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:28,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:28,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:29,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 11:13:29,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:29,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1387 [2020-10-12 11:13:29,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 11:13:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:13:29,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:29,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:29,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:29,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:29,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:29,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:13:29,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:29,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 11:13:29,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:29,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:29,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:13:29,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:29,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 11:13:29,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:29,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:29,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:13:29,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 11:13:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:30,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223148957] [2020-10-12 11:13:30,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:30,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:30,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948642519] [2020-10-12 11:13:30,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:30,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:30,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:30,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:30,091 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-12 11:13:32,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:32,024 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-12 11:13:32,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 11:13:32,025 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2020-10-12 11:13:32,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:32,031 INFO L225 Difference]: With dead ends: 549 [2020-10-12 11:13:32,035 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:13:32,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:13:32,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:13:32,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:13:32,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:13:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-12 11:13:32,078 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 110 [2020-10-12 11:13:32,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:32,078 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-12 11:13:32,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:32,079 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-12 11:13:32,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-12 11:13:32,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:32,092 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:32,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:13:32,092 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:32,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:32,093 INFO L82 PathProgramCache]: Analyzing trace with hash -832860520, now seen corresponding path program 1 times [2020-10-12 11:13:32,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:32,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874204352] [2020-10-12 11:13:32,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:32,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:33,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:33,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 11:13:33,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:33,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1106 [2020-10-12 11:13:33,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 11:13:33,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 11:13:33,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:33,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:33,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:33,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:33,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:33,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:33,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:33,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:33,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:33,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:33,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:33,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:33,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:33,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:33,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:33,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:33,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:13:33,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 11:13:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:33,689 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:33,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874204352] [2020-10-12 11:13:33,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:33,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:33,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779465966] [2020-10-12 11:13:33,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:33,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:33,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:33,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:33,692 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-12 11:13:33,976 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-12 11:13:35,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:35,443 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-12 11:13:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:13:35,444 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 114 [2020-10-12 11:13:35,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:35,447 INFO L225 Difference]: With dead ends: 554 [2020-10-12 11:13:35,448 INFO L226 Difference]: Without dead ends: 327 [2020-10-12 11:13:35,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:13:35,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-12 11:13:35,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-12 11:13:35,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:13:35,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-12 11:13:35,472 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 114 [2020-10-12 11:13:35,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:35,473 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-12 11:13:35,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:35,473 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-12 11:13:35,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-12 11:13:35,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:35,476 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:35,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:13:35,476 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:35,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:35,477 INFO L82 PathProgramCache]: Analyzing trace with hash 512868160, now seen corresponding path program 1 times [2020-10-12 11:13:35,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:35,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321102343] [2020-10-12 11:13:35,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:35,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:35,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:35,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:35,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 11:13:35,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:35,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-12 11:13:35,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:35,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:13:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-12 11:13:35,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:13:35,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:35,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:35,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:35,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:35,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:35,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:35,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:35,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:35,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:35,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:35,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:35,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:35,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:35,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:35,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:13:35,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:35,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:35,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:35,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:35,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:35,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:13:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:36,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:36,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:36,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:13:36,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:36,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 11:13:36,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:13:36,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:36,056 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 11:13:36,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321102343] [2020-10-12 11:13:36,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:36,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:13:36,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542094826] [2020-10-12 11:13:36,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:13:36,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:36,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:13:36,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:36,059 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 6 states. [2020-10-12 11:13:37,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:37,665 INFO L93 Difference]: Finished difference Result 949 states and 1270 transitions. [2020-10-12 11:13:37,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:13:37,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2020-10-12 11:13:37,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:37,671 INFO L225 Difference]: With dead ends: 949 [2020-10-12 11:13:37,671 INFO L226 Difference]: Without dead ends: 637 [2020-10-12 11:13:37,672 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 [2020-10-12 11:13:37,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-10-12 11:13:37,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 619. [2020-10-12 11:13:37,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2020-10-12 11:13:37,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 810 transitions. [2020-10-12 11:13:37,707 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 810 transitions. Word has length 136 [2020-10-12 11:13:37,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:37,708 INFO L479 AbstractCegarLoop]: Abstraction has 619 states and 810 transitions. [2020-10-12 11:13:37,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:13:37,708 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 810 transitions. [2020-10-12 11:13:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-12 11:13:37,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:37,711 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:37,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:13:37,712 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:37,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:37,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1303224801, now seen corresponding path program 1 times [2020-10-12 11:13:37,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:37,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227776724] [2020-10-12 11:13:37,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:37,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:37,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:37,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:39,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:39,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 11:13:39,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:39,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1401 [2020-10-12 11:13:39,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:39,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:39,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 11:13:39,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:13:39,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:39,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:39,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:39,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:39,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:39,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:39,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:39,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:39,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:39,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:39,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:39,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:39,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:39,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:39,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 11:13:39,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:39,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:39,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:39,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:13:39,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 11:13:39,771 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:39,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227776724] [2020-10-12 11:13:39,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:39,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:39,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218991199] [2020-10-12 11:13:39,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:39,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:39,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:39,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:39,774 INFO L87 Difference]: Start difference. First operand 619 states and 810 transitions. Second operand 12 states. [2020-10-12 11:13:41,376 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2020-10-12 11:13:41,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:41,691 INFO L93 Difference]: Finished difference Result 1326 states and 1787 transitions. [2020-10-12 11:13:41,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:13:41,692 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 135 [2020-10-12 11:13:41,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:41,702 INFO L225 Difference]: With dead ends: 1326 [2020-10-12 11:13:41,702 INFO L226 Difference]: Without dead ends: 703 [2020-10-12 11:13:41,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:13:41,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2020-10-12 11:13:41,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 695. [2020-10-12 11:13:41,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-10-12 11:13:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 892 transitions. [2020-10-12 11:13:41,759 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 892 transitions. Word has length 135 [2020-10-12 11:13:41,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:41,760 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 892 transitions. [2020-10-12 11:13:41,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:41,760 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 892 transitions. [2020-10-12 11:13:41,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-12 11:13:41,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:41,763 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:41,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:13:41,764 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:41,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:41,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1831178235, now seen corresponding path program 1 times [2020-10-12 11:13:41,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:41,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176442617] [2020-10-12 11:13:41,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:41,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:41,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:42,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-12 11:13:42,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:13:42,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 847 [2020-10-12 11:13:42,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:13:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:13:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 11:13:42,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:42,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:42,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:42,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:42,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:42,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:42,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:42,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:42,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:42,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:42,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:42,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:42,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:42,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:42,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:42,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:13:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:42,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:42,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:13:42,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:42,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 11:13:42,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:13:42,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:42,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:13:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:42,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:42,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:42,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:42,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 11:13:42,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:42,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:42,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:13:42,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 11:13:42,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176442617] [2020-10-12 11:13:42,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:42,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:13:42,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906338098] [2020-10-12 11:13:42,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:13:42,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:42,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:13:42,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:42,940 INFO L87 Difference]: Start difference. First operand 695 states and 892 transitions. Second operand 7 states. [2020-10-12 11:13:44,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:44,723 INFO L93 Difference]: Finished difference Result 1885 states and 2561 transitions. [2020-10-12 11:13:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:13:44,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2020-10-12 11:13:44,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:44,732 INFO L225 Difference]: With dead ends: 1885 [2020-10-12 11:13:44,732 INFO L226 Difference]: Without dead ends: 1196 [2020-10-12 11:13:44,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:44,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2020-10-12 11:13:44,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1159. [2020-10-12 11:13:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2020-10-12 11:13:44,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1446 transitions. [2020-10-12 11:13:44,797 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1446 transitions. Word has length 144 [2020-10-12 11:13:44,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:44,797 INFO L479 AbstractCegarLoop]: Abstraction has 1159 states and 1446 transitions. [2020-10-12 11:13:44,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:13:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1446 transitions. [2020-10-12 11:13:44,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-12 11:13:44,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:44,806 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:44,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:13:44,806 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:44,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:44,807 INFO L82 PathProgramCache]: Analyzing trace with hash 536748454, now seen corresponding path program 1 times [2020-10-12 11:13:44,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:44,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797150224] [2020-10-12 11:13:44,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:44,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:44,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:45,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:45,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:46,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-12 11:13:46,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:13:46,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1256 [2020-10-12 11:13:46,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:13:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 11:13:46,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:46,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:46,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:46,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:46,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:46,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:13:46,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:46,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:46,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:46,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:46,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:46,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 11:13:46,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:13:46,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:46,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:46,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:46,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:13:46,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:13:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 11:13:46,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797150224] [2020-10-12 11:13:46,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:46,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:13:46,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655087827] [2020-10-12 11:13:46,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:13:46,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:46,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:13:46,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:46,407 INFO L87 Difference]: Start difference. First operand 1159 states and 1446 transitions. Second operand 7 states. [2020-10-12 11:13:47,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:47,649 INFO L93 Difference]: Finished difference Result 3095 states and 4124 transitions. [2020-10-12 11:13:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:13:47,650 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 143 [2020-10-12 11:13:47,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:47,663 INFO L225 Difference]: With dead ends: 3095 [2020-10-12 11:13:47,663 INFO L226 Difference]: Without dead ends: 1942 [2020-10-12 11:13:47,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-12 11:13:47,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2020-10-12 11:13:47,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1456. [2020-10-12 11:13:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1456 states. [2020-10-12 11:13:47,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1903 transitions. [2020-10-12 11:13:47,755 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1903 transitions. Word has length 143 [2020-10-12 11:13:47,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:47,756 INFO L479 AbstractCegarLoop]: Abstraction has 1456 states and 1903 transitions. [2020-10-12 11:13:47,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:13:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1903 transitions. [2020-10-12 11:13:47,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 11:13:47,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:47,762 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:47,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:13:47,762 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:47,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:47,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1223061257, now seen corresponding path program 1 times [2020-10-12 11:13:47,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:47,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821369252] [2020-10-12 11:13:47,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:47,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:47,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:47,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:48,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-12 11:13:48,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:48,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 922 [2020-10-12 11:13:48,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:48,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:13:48,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:48,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 11:13:48,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:48,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:48,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:48,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:48,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:48,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:13:48,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:48,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:48,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:48,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:48,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:48,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:48,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 11:13:48,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:13:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:48,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:48,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:48,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:48,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:48,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:13:48,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:48,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:48,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:48,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:13:48,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:48,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:48,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:48,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:13:48,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:48,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 11:13:48,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:48,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:48,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:48,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 11:13:48,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 50 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-12 11:13:49,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821369252] [2020-10-12 11:13:49,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:49,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:13:49,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048122340] [2020-10-12 11:13:49,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:13:49,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:49,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:13:49,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:49,070 INFO L87 Difference]: Start difference. First operand 1456 states and 1903 transitions. Second operand 7 states. [2020-10-12 11:13:50,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:50,404 INFO L93 Difference]: Finished difference Result 3509 states and 4672 transitions. [2020-10-12 11:13:50,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 11:13:50,406 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-10-12 11:13:50,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:50,417 INFO L225 Difference]: With dead ends: 3509 [2020-10-12 11:13:50,417 INFO L226 Difference]: Without dead ends: 2059 [2020-10-12 11:13:50,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:13:50,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2059 states. [2020-10-12 11:13:50,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2059 to 1756. [2020-10-12 11:13:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1756 states. [2020-10-12 11:13:50,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2320 transitions. [2020-10-12 11:13:50,482 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 2320 transitions. Word has length 158 [2020-10-12 11:13:50,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:50,483 INFO L479 AbstractCegarLoop]: Abstraction has 1756 states and 2320 transitions. [2020-10-12 11:13:50,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:13:50,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2320 transitions. [2020-10-12 11:13:50,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 11:13:50,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:50,489 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:50,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:13:50,490 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:50,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:50,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1598600464, now seen corresponding path program 1 times [2020-10-12 11:13:50,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:50,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988145015] [2020-10-12 11:13:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:50,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:50,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:50,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:51,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-12 11:13:51,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:51,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 693 [2020-10-12 11:13:51,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-12 11:13:51,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-12 11:13:51,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:51,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:51,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:51,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:51,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:51,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:51,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:51,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:51,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:51,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:51,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:51,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:51,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:51,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:51,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:51,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:51,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:51,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:51,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:51,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:51,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:51,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:13:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:51,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:51,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:13:51,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:51,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:13:51,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:51,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:51,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:51,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:51,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:51,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:13:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:51,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:51,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 11:13:51,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:51,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 11:13:51,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:51,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:51,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:51,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 11:13:51,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 55 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-12 11:13:51,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988145015] [2020-10-12 11:13:51,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:51,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:13:51,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693433563] [2020-10-12 11:13:51,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:13:51,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:51,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:13:51,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:13:51,536 INFO L87 Difference]: Start difference. First operand 1756 states and 2320 transitions. Second operand 5 states. [2020-10-12 11:13:52,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:52,580 INFO L93 Difference]: Finished difference Result 3601 states and 4835 transitions. [2020-10-12 11:13:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:13:52,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-10-12 11:13:52,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:52,592 INFO L225 Difference]: With dead ends: 3601 [2020-10-12 11:13:52,592 INFO L226 Difference]: Without dead ends: 1763 [2020-10-12 11:13:52,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:52,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2020-10-12 11:13:52,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1754. [2020-10-12 11:13:52,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1754 states. [2020-10-12 11:13:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2272 transitions. [2020-10-12 11:13:52,655 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2272 transitions. Word has length 162 [2020-10-12 11:13:52,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:52,656 INFO L479 AbstractCegarLoop]: Abstraction has 1754 states and 2272 transitions. [2020-10-12 11:13:52,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:13:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2272 transitions. [2020-10-12 11:13:52,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 11:13:52,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:52,663 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:52,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:13:52,663 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:52,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:52,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1218281438, now seen corresponding path program 1 times [2020-10-12 11:13:52,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:52,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177058837] [2020-10-12 11:13:52,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:52,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:52,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:52,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:53,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:53,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:54,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-12 11:13:54,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 11:13:54,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2056 [2020-10-12 11:13:54,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:54,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:13:54,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:54,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-12 11:13:54,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:54,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:54,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:54,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:54,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:54,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:13:54,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:54,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:54,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:54,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:54,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:54,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:54,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:54,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:54,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:54,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 11:13:54,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:54,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:54,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:54,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:13:54,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:54,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:54,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:54,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:54,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:54,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:13:54,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:54,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:13:54,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:55,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:55,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:55,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:55,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:13:55,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:55,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 11:13:55,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:55,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:13:55,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 65 proven. 30 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 11:13:55,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177058837] [2020-10-12 11:13:55,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:55,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:13:55,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145583286] [2020-10-12 11:13:55,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:13:55,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:55,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:13:55,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:13:55,205 INFO L87 Difference]: Start difference. First operand 1754 states and 2272 transitions. Second operand 8 states. [2020-10-12 11:13:56,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:56,600 INFO L93 Difference]: Finished difference Result 3522 states and 4642 transitions. [2020-10-12 11:13:56,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 11:13:56,611 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 173 [2020-10-12 11:13:56,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:56,620 INFO L225 Difference]: With dead ends: 3522 [2020-10-12 11:13:56,620 INFO L226 Difference]: Without dead ends: 1774 [2020-10-12 11:13:56,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:13:56,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2020-10-12 11:13:56,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1741. [2020-10-12 11:13:56,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1741 states. [2020-10-12 11:13:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2092 transitions. [2020-10-12 11:13:56,711 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2092 transitions. Word has length 173 [2020-10-12 11:13:56,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:56,711 INFO L479 AbstractCegarLoop]: Abstraction has 1741 states and 2092 transitions. [2020-10-12 11:13:56,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:13:56,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2092 transitions. [2020-10-12 11:13:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-12 11:13:56,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:56,718 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:56,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:13:56,719 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:56,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:56,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1439170978, now seen corresponding path program 1 times [2020-10-12 11:13:56,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:56,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475307871] [2020-10-12 11:13:56,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:56,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:56,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:57,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:57,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:57,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 11:13:57,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:57,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1236 [2020-10-12 11:13:57,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 11:13:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 11:13:57,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:58,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:58,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:58,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:58,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:58,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:58,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:58,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:58,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:58,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:58,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:58,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:58,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:58,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:58,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:58,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:58,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:58,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:58,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:58,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:58,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:58,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:58,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:58,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:13:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:58,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:58,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:58,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:13:58,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:58,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:13:58,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:58,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:13:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:58,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:58,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:58,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 11:13:58,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:58,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 11:13:58,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:58,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:58,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:58,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 11:13:58,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:58,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 11:13:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:58,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:58,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:58,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:13:58,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:58,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 11:13:58,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 11:13:58,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-12 11:13:58,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475307871] [2020-10-12 11:13:58,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:58,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:13:58,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973641294] [2020-10-12 11:13:58,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:13:58,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:58,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:13:58,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:58,275 INFO L87 Difference]: Start difference. First operand 1741 states and 2092 transitions. Second operand 7 states. [2020-10-12 11:13:59,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:59,350 INFO L93 Difference]: Finished difference Result 3306 states and 3905 transitions. [2020-10-12 11:13:59,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:13:59,351 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 221 [2020-10-12 11:13:59,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:59,352 INFO L225 Difference]: With dead ends: 3306 [2020-10-12 11:13:59,352 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:13:59,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-12 11:13:59,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:13:59,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:13:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:13:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:13:59,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2020-10-12 11:13:59,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:59,359 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:13:59,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:13:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:13:59,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:13:59,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:13:59,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:13:59,957 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 122 [2020-10-12 11:14:00,295 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 141 [2020-10-12 11:14:00,791 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 52 [2020-10-12 11:14:01,161 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 44 [2020-10-12 11:14:01,419 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 44 [2020-10-12 11:14:01,423 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:14:01,424 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-12 11:14:01,424 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:14:01,424 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,427 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,428 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,428 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,428 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,428 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-12 11:14:01,428 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-12 11:14:01,428 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-12 11:14:01,428 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-12 11:14:01,428 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-12 11:14:01,428 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-12 11:14:01,429 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-12 11:14:01,429 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-12 11:14:01,429 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-12 11:14:01,429 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-12 11:14:01,429 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:14:01,429 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:14:01,429 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-12 11:14:01,429 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,429 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,430 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,430 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,430 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-12 11:14:01,430 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,430 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-12 11:14:01,430 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-12 11:14:01,430 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-12 11:14:01,430 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-12 11:14:01,430 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-12 11:14:01,431 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-12 11:14:01,431 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-12 11:14:01,431 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:14:01,431 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:14:01,431 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-12 11:14:01,431 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-12 11:14:01,432 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-12 11:14:01,432 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:14:01,432 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:14:01,432 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-12 11:14:01,432 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,434 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,434 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,434 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,434 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,434 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 457) no Hoare annotation was computed. [2020-10-12 11:14:01,434 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:14:01,434 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-12 11:14:01,435 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:14:01,435 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-12 11:14:01,435 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-12 11:14:01,435 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-12 11:14:01,435 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-12 11:14:01,435 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-12 11:14:01,435 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-12 11:14:01,435 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-12 11:14:01,435 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-12 11:14:01,436 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,436 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,436 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,436 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,436 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,436 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-12 11:14:01,436 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-12 11:14:01,436 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-12 11:14:01,436 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-12 11:14:01,436 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-12 11:14:01,437 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-12 11:14:01,437 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-12 11:14:01,437 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-12 11:14:01,437 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-12 11:14:01,437 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-12 11:14:01,437 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-12 11:14:01,438 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-12 11:14:01,438 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-12 11:14:01,438 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,439 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,439 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,439 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,439 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,439 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-12 11:14:01,439 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-12 11:14:01,439 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-12 11:14:01,439 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-12 11:14:01,439 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-12 11:14:01,440 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-12 11:14:01,440 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-12 11:14:01,440 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-12 11:14:01,440 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-12 11:14:01,440 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-12 11:14:01,440 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-12 11:14:01,440 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-12 11:14:01,440 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-12 11:14:01,440 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:14:01,440 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-12 11:14:01,441 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:14:01,441 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,441 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,441 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,441 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,441 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-12 11:14:01,441 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,441 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:14:01,441 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,441 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:14:01,442 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:14:01,442 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:14:01,442 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,442 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,443 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-12 11:14:01,443 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-12 11:14:01,443 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-12 11:14:01,443 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-12 11:14:01,443 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-12 11:14:01,443 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-12 11:14:01,443 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-12 11:14:01,443 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-12 11:14:01,443 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-12 11:14:01,443 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-12 11:14:01,444 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-12 11:14:01,444 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,444 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,444 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,444 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,444 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,444 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,444 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-12 11:14:01,444 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-12 11:14:01,444 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-12 11:14:01,445 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-12 11:14:01,445 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-12 11:14:01,445 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-12 11:14:01,445 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-12 11:14:01,445 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-12 11:14:01,445 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-12 11:14:01,445 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-12 11:14:01,445 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-12 11:14:01,445 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,445 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,446 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,446 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,446 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,446 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,446 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-12 11:14:01,446 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-12 11:14:01,446 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-12 11:14:01,446 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-12 11:14:01,446 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-12 11:14:01,446 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-12 11:14:01,446 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-12 11:14:01,447 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-12 11:14:01,447 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-12 11:14:01,447 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-12 11:14:01,447 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-12 11:14:01,447 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-12 11:14:01,447 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-12 11:14:01,447 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-12 11:14:01,447 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,447 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,447 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,449 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (not (= |old(~a19~0)| 1))) (.cse5 (and .cse1 (= ~a17~0 |old(~a17~0)|) .cse2 .cse3 .cse4))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= ~a17~0 8) .cse4) (not (= 8 |old(~a17~0)|))) (or .cse0 .cse5 (not (<= |old(~a17~0)| 7)) (not (<= |old(~a25~0)| 0))) (or (and (= 7 ~a17~0) .cse2 (= 7 ~a28~0) (= ~a25~0 1) .cse4) (not (= |old(~a25~0)| 1)) (not (= 7 |old(~a17~0)|)) .cse0 (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| 1))) (or .cse5 (not (= 0 |old(~a19~0)|)))))) [2020-10-12 11:14:01,449 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,449 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,449 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,449 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-12 11:14:01,449 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-12 11:14:01,450 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-12 11:14:01,450 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-12 11:14:01,450 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-12 11:14:01,450 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-12 11:14:01,450 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-12 11:14:01,450 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-12 11:14:01,450 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-12 11:14:01,450 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-12 11:14:01,450 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-12 11:14:01,450 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-12 11:14:01,451 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-12 11:14:01,451 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,451 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,451 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,451 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,451 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,451 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,451 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-12 11:14:01,451 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-12 11:14:01,451 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-12 11:14:01,452 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-12 11:14:01,452 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-12 11:14:01,452 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-12 11:14:01,452 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-12 11:14:01,452 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-12 11:14:01,452 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-12 11:14:01,452 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-12 11:14:01,452 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-12 11:14:01,452 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:14:01,453 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:14:01,453 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-12 11:14:01,453 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-12 11:14:01,453 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-12 11:14:01,453 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,453 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,453 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,453 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,453 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:01,454 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-12 11:14:01,454 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-12 11:14:01,454 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-12 11:14:01,454 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-12 11:14:01,454 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-12 11:14:01,454 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-12 11:14:01,454 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-12 11:14:01,454 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-12 11:14:01,454 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-12 11:14:01,455 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-12 11:14:01,455 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-12 11:14:01,455 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:14:01,455 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-12 11:14:01,455 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:14:01,455 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-12 11:14:01,455 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:14:01,455 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:14:01,455 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-12 11:14:01,455 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-12 11:14:01,456 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:14:01,456 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a21~0 1) (<= 7 ~a28~0) (<= 8 ~a17~0) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a17~0 8) (<= ~a25~0 0) (<= 1 ~a19~0)) [2020-10-12 11:14:01,456 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:14:01,456 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:14:01,456 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (<= 7 ~a28~0) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (<= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0))) [2020-10-12 11:14:01,456 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1))) (or (and (= 7 ~a17~0) .cse0 (= 7 ~a28~0) (= ~a25~0 1) (= ~a11~0 1)) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (and .cse0 (<= ~a25~0 0) (<= ~a17~0 7)) (not (<= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (and (= ~a19~0 0) (<= ~a17~0 |old(~a17~0)|)) (and .cse0 (= ~a17~0 8)) (not (<= |old(~a11~0)| 0)))) [2020-10-12 11:14:01,456 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:14:01,457 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:14:01,457 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1))) (or (and (= 7 ~a17~0) .cse0 (= 7 ~a28~0) (= ~a25~0 1) (= ~a11~0 1)) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (and .cse0 (<= ~a25~0 0) (<= ~a17~0 7)) (not (<= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (and (= ~a19~0 0) (<= ~a17~0 |old(~a17~0)|)) (and .cse0 (= ~a17~0 8)) (not (<= |old(~a11~0)| 0)))) [2020-10-12 11:14:01,457 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-12 11:14:01,457 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-12 11:14:01,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:14:01 BoogieIcfgContainer [2020-10-12 11:14:01,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:14:01,488 INFO L168 Benchmark]: Toolchain (without parser) took 41451.63 ms. Allocated memory was 144.7 MB in the beginning and 603.5 MB in the end (delta: 458.8 MB). Free memory was 106.3 MB in the beginning and 339.5 MB in the end (delta: -233.2 MB). Peak memory consumption was 471.6 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:01,492 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 126.2 MB in the beginning and 126.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-12 11:14:01,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.95 ms. Allocated memory was 144.7 MB in the beginning and 208.7 MB in the end (delta: 64.0 MB). Free memory was 106.1 MB in the beginning and 175.2 MB in the end (delta: -69.1 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:01,494 INFO L168 Benchmark]: Boogie Preprocessor took 116.06 ms. Allocated memory is still 208.7 MB. Free memory was 175.2 MB in the beginning and 170.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:01,501 INFO L168 Benchmark]: RCFGBuilder took 1291.03 ms. Allocated memory was 208.7 MB in the beginning and 233.3 MB in the end (delta: 24.6 MB). Free memory was 170.5 MB in the beginning and 168.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:01,503 INFO L168 Benchmark]: TraceAbstraction took 39276.64 ms. Allocated memory was 233.3 MB in the beginning and 603.5 MB in the end (delta: 370.1 MB). Free memory was 168.4 MB in the beginning and 339.5 MB in the end (delta: -171.1 MB). Peak memory consumption was 445.1 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:01,507 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 126.2 MB in the beginning and 126.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.95 ms. Allocated memory was 144.7 MB in the beginning and 208.7 MB in the end (delta: 64.0 MB). Free memory was 106.1 MB in the beginning and 175.2 MB in the end (delta: -69.1 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.06 ms. Allocated memory is still 208.7 MB. Free memory was 175.2 MB in the beginning and 170.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1291.03 ms. Allocated memory was 208.7 MB in the beginning and 233.3 MB in the end (delta: 24.6 MB). Free memory was 170.5 MB in the beginning and 168.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39276.64 ms. Allocated memory was 233.3 MB in the beginning and 603.5 MB in the end (delta: 370.1 MB). Free memory was 168.4 MB in the beginning and 339.5 MB in the end (delta: -171.1 MB). Peak memory consumption was 445.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 457]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((7 == a17 && a19 == 1) && 7 == a28) && a25 == 1) && a11 == 1) || !(\old(a28) <= 7)) || !(\old(a19) == 1)) || !(8 == \old(a17))) || ((a19 == 1 && a25 <= 0) && a17 <= 7)) || !(7 <= \old(a28))) || !(\old(a25) <= 0)) || !(a21 == 1)) || (a19 == 0 && a17 <= \old(a17))) || (a19 == 1 && a17 == 8)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.0s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 18.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 399 SDtfs, 4758 SDslu, 618 SDs, 0 SdLazy, 9921 SolverSat, 1269 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 220 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1756occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 909 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 98 PreInvPairs, 127 NumberOfFragments, 384 HoareAnnotationTreeSize, 98 FomulaSimplifications, 256442 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11804 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.6s InterpolantComputationTime, 1597 NumberOfCodeBlocks, 1597 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1586 ConstructedInterpolants, 0 QuantifiedInterpolants, 1810776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 601/681 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...