/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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:48:21,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:48:21,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:48:21,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:48:21,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:48:21,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:48:21,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:48:21,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:48:21,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:48:21,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:48:21,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:48:21,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:48:21,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:48:21,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:48:21,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:48:21,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:48:21,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:48:21,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:48:21,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:48:21,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:48:21,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:48:21,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:48:21,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:48:21,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:48:21,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:48:21,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:48:21,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:48:21,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:48:21,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:48:21,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:48:21,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:48:21,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:48:21,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:48:21,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:48:21,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:48:21,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:48:21,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:48:21,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:48:21,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:48:21,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:48:21,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:48:21,155 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 [2020-10-13 08:48:21,201 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:48:21,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:48:21,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:48:21,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:48:21,204 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:48:21,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:48:21,204 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:48:21,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:48:21,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:48:21,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:48:21,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:48:21,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:48:21,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:48:21,206 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:48:21,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:48:21,206 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:48:21,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:48:21,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:48:21,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:48:21,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:48:21,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:48:21,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:48:21,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:48:21,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:48:21,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:48:21,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:48:21,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:48:21,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:48:21,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:48:21,210 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:48:21,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:48:21,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:48:21,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:48:21,593 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:48:21,594 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:48:21,595 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label17.c [2020-10-13 08:48:21,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e419e67a3/1a0718a6ab77465597baa4e59f6a7d2e/FLAG97649eaf0 [2020-10-13 08:48:22,295 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:48:22,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label17.c [2020-10-13 08:48:22,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e419e67a3/1a0718a6ab77465597baa4e59f6a7d2e/FLAG97649eaf0 [2020-10-13 08:48:22,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e419e67a3/1a0718a6ab77465597baa4e59f6a7d2e [2020-10-13 08:48:22,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:48:22,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:48:22,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:48:22,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:48:22,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:48:22,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:48:22" (1/1) ... [2020-10-13 08:48:22,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39315203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:48:22, skipping insertion in model container [2020-10-13 08:48:22,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:48:22" (1/1) ... [2020-10-13 08:48:22,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:48:22,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:48:23,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:48:23,254 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:48:23,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:48:23,426 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:48:23,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:48:23 WrapperNode [2020-10-13 08:48:23,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:48:23,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:48:23,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:48:23,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:48:23,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:48:23" (1/1) ... [2020-10-13 08:48:23,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:48:23" (1/1) ... [2020-10-13 08:48:23,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:48:23" (1/1) ... [2020-10-13 08:48:23,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:48:23" (1/1) ... [2020-10-13 08:48:23,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:48:23" (1/1) ... [2020-10-13 08:48:23,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:48:23" (1/1) ... [2020-10-13 08:48:23,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:48:23" (1/1) ... [2020-10-13 08:48:23,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:48:23,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:48:23,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:48:23,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:48:23,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:48:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:48:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:48:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:48:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:48:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:48:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:48:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:48:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:48:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:48:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:48:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:48:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:48:25,489 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:48:25,490 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:48:25,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:48:25 BoogieIcfgContainer [2020-10-13 08:48:25,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:48:25,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:48:25,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:48:25,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:48:25,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:48:22" (1/3) ... [2020-10-13 08:48:25,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6666c7c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:48:25, skipping insertion in model container [2020-10-13 08:48:25,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:48:23" (2/3) ... [2020-10-13 08:48:25,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6666c7c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:48:25, skipping insertion in model container [2020-10-13 08:48:25,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:48:25" (3/3) ... [2020-10-13 08:48:25,506 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label17.c [2020-10-13 08:48:25,517 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:48:25,526 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:48:25,541 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:48:25,573 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:48:25,574 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:48:25,574 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:48:25,574 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:48:25,574 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:48:25,577 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:48:25,577 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:48:25,577 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:48:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-13 08:48:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-13 08:48:25,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:25,630 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] [2020-10-13 08:48:25,632 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:25,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:25,638 INFO L82 PathProgramCache]: Analyzing trace with hash -950257557, now seen corresponding path program 1 times [2020-10-13 08:48:25,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:25,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096534027] [2020-10-13 08:48:25,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:25,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:26,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:26,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 08:48:26,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:26,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-10-13 08:48:26,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:48:26,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:48:26,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:48:26,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 08:48:26,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:26,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:26,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:26,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:26,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:26,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:48:26,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:48:26,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:48:26,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096534027] [2020-10-13 08:48:26,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:48:26,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:48:26,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196259049] [2020-10-13 08:48:26,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:48:26,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:26,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:48:26,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:48:26,497 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-13 08:48:28,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:28,325 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-13 08:48:28,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:28,327 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2020-10-13 08:48:28,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:28,345 INFO L225 Difference]: With dead ends: 698 [2020-10-13 08:48:28,345 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:48:28,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:28,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:48:28,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:48:28,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:48:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-13 08:48:28,440 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 62 [2020-10-13 08:48:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:28,441 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-13 08:48:28,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:48:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-13 08:48:28,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-13 08:48:28,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:28,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:48:28,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:48:28,453 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:28,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:28,453 INFO L82 PathProgramCache]: Analyzing trace with hash -894714027, now seen corresponding path program 1 times [2020-10-13 08:48:28,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:28,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344949722] [2020-10-13 08:48:28,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:28,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:28,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:29,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:29,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:29,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-13 08:48:29,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:48:29,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1173 [2020-10-13 08:48:29,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 08:48:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:48:29,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:29,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:29,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:29,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:29,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:29,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:29,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:48:29,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:29,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:29,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:29,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:29,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:29,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 08:48:29,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:29,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 08:48:29,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:29,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:29,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:29,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:48:29,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:29,944 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:48:29,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344949722] [2020-10-13 08:48:29,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:29,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:29,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995280172] [2020-10-13 08:48:29,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:29,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:29,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:29,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:29,948 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 5 states. [2020-10-13 08:48:31,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:31,151 INFO L93 Difference]: Finished difference Result 783 states and 1143 transitions. [2020-10-13 08:48:31,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:31,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-10-13 08:48:31,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:31,156 INFO L225 Difference]: With dead ends: 783 [2020-10-13 08:48:31,156 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:48:31,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:31,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:48:31,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:48:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:48:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 506 transitions. [2020-10-13 08:48:31,211 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 506 transitions. Word has length 131 [2020-10-13 08:48:31,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:31,211 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 506 transitions. [2020-10-13 08:48:31,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 506 transitions. [2020-10-13 08:48:31,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-13 08:48:31,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:31,217 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:48:31,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:48:31,217 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:31,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:31,218 INFO L82 PathProgramCache]: Analyzing trace with hash -927295347, now seen corresponding path program 1 times [2020-10-13 08:48:31,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:31,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106815644] [2020-10-13 08:48:31,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:31,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:31,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:31,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:32,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:32,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:48:32,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:48:32,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1590 [2020-10-13 08:48:32,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:32,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:48:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:48:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 08:48:32,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:33,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:33,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:33,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:33,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:33,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:33,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:48:33,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:33,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:33,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:33,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:33,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:33,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:48:33,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:33,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 08:48:33,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:33,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:48:33,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:48:33,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106815644] [2020-10-13 08:48:33,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:33,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:48:33,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114310749] [2020-10-13 08:48:33,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:48:33,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:33,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:48:33,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:48:33,495 INFO L87 Difference]: Start difference. First operand 376 states and 506 transitions. Second operand 8 states. [2020-10-13 08:48:34,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:34,802 INFO L93 Difference]: Finished difference Result 832 states and 1105 transitions. [2020-10-13 08:48:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:48:34,804 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2020-10-13 08:48:34,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:34,807 INFO L225 Difference]: With dead ends: 832 [2020-10-13 08:48:34,807 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:48:34,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:48:34,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:48:34,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:48:34,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:48:34,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 438 transitions. [2020-10-13 08:48:34,828 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 438 transitions. Word has length 135 [2020-10-13 08:48:34,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:34,829 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 438 transitions. [2020-10-13 08:48:34,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:48:34,829 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 438 transitions. [2020-10-13 08:48:34,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-13 08:48:34,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:34,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:34,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:48:34,835 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:34,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:34,836 INFO L82 PathProgramCache]: Analyzing trace with hash 128782553, now seen corresponding path program 1 times [2020-10-13 08:48:34,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:34,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985444499] [2020-10-13 08:48:34,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:34,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:35,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:36,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:37,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:37,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-13 08:48:37,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:48:37,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3091 [2020-10-13 08:48:37,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-13 08:48:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 08:48:37,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:38,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:38,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:38,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:38,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:38,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:38,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:48:38,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:38,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:38,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:38,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:38,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:38,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:38,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:38,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-13 08:48:38,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:38,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:38,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:38,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-13 08:48:38,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:38,425 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:48:38,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985444499] [2020-10-13 08:48:38,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:38,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:38,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502477654] [2020-10-13 08:48:38,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:38,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:38,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:38,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:38,431 INFO L87 Difference]: Start difference. First operand 376 states and 438 transitions. Second operand 5 states. [2020-10-13 08:48:39,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:39,556 INFO L93 Difference]: Finished difference Result 934 states and 1117 transitions. [2020-10-13 08:48:39,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:39,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2020-10-13 08:48:39,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:39,564 INFO L225 Difference]: With dead ends: 934 [2020-10-13 08:48:39,564 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:48:39,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:39,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:48:39,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:48:39,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:48:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 665 transitions. [2020-10-13 08:48:39,605 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 665 transitions. Word has length 241 [2020-10-13 08:48:39,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:39,608 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 665 transitions. [2020-10-13 08:48:39,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 665 transitions. [2020-10-13 08:48:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-13 08:48:39,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:39,677 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:39,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:48:39,677 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:39,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:39,678 INFO L82 PathProgramCache]: Analyzing trace with hash 121675092, now seen corresponding path program 1 times [2020-10-13 08:48:39,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:39,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140879279] [2020-10-13 08:48:39,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:39,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:39,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:39,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:41,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:44,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:44,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-10-13 08:48:44,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:48:44,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-13 08:48:44,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:44,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:44,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 265 [2020-10-13 08:48:44,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:48:44,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:44,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:44,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:44,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:44,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:44,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:44,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:48:44,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:44,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:44,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:44,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:44,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:44,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:44,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:44,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:44,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:44,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:44,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 08:48:44,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:44,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:45,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:45,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:45,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:45,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:48:45,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:45,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 08:48:45,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:45,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:45,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:48:45,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-13 08:48:45,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140879279] [2020-10-13 08:48:45,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:45,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:45,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908235787] [2020-10-13 08:48:45,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:45,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:45,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:45,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:45,286 INFO L87 Difference]: Start difference. First operand 560 states and 665 transitions. Second operand 5 states. [2020-10-13 08:48:46,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:46,346 INFO L93 Difference]: Finished difference Result 1136 states and 1355 transitions. [2020-10-13 08:48:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:46,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 315 [2020-10-13 08:48:46,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:46,351 INFO L225 Difference]: With dead ends: 1136 [2020-10-13 08:48:46,351 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:48:46,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:46,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:48:46,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:48:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:48:46,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 663 transitions. [2020-10-13 08:48:46,381 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 663 transitions. Word has length 315 [2020-10-13 08:48:46,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:46,382 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 663 transitions. [2020-10-13 08:48:46,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 663 transitions. [2020-10-13 08:48:46,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-10-13 08:48:46,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:46,393 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:46,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:48:46,394 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:46,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:46,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1836004248, now seen corresponding path program 1 times [2020-10-13 08:48:46,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:46,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585037677] [2020-10-13 08:48:46,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:46,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:46,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:47,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:48,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:49,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:51,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:51,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-13 08:48:51,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:48:51,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 08:48:51,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:51,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:51,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 08:48:51,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 08:48:51,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:51,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:51,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:51,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:51,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:51,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:51,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:48:51,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:51,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:51,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:51,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:51,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:51,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:51,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:51,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:51,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:51,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:51,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 08:48:51,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:51,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:51,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:51,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:51,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:51,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:48:51,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:51,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 08:48:51,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:51,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:51,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:51,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:48:51,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-13 08:48:51,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585037677] [2020-10-13 08:48:51,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:51,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:51,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113409169] [2020-10-13 08:48:51,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:51,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:51,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:51,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:51,970 INFO L87 Difference]: Start difference. First operand 560 states and 663 transitions. Second operand 5 states. [2020-10-13 08:48:52,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:52,793 INFO L93 Difference]: Finished difference Result 1149 states and 1364 transitions. [2020-10-13 08:48:52,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:52,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 321 [2020-10-13 08:48:52,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:52,797 INFO L225 Difference]: With dead ends: 1149 [2020-10-13 08:48:52,797 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:48:52,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:52,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:48:52,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:48:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:48:52,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 661 transitions. [2020-10-13 08:48:52,819 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 661 transitions. Word has length 321 [2020-10-13 08:48:52,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:52,820 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 661 transitions. [2020-10-13 08:48:52,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:52,820 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 661 transitions. [2020-10-13 08:48:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-13 08:48:52,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:52,826 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:52,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:48:52,827 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:52,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:52,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1615697813, now seen corresponding path program 1 times [2020-10-13 08:48:52,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:52,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001209412] [2020-10-13 08:48:52,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:52,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:52,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:53,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:53,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:57,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:57,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-10-13 08:48:57,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:48:57,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 08:48:57,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:57,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:57,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 274 [2020-10-13 08:48:57,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:48:57,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:57,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:57,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:57,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:57,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:57,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:57,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:48:57,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:57,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:57,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:58,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:58,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:58,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:58,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:58,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:58,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 08:48:58,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:58,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:58,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:58,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:58,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:58,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:48:58,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:58,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 08:48:58,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 08:48:58,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:58,278 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-13 08:48:58,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001209412] [2020-10-13 08:48:58,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:58,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:58,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994919704] [2020-10-13 08:48:58,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:58,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:58,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:58,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:58,281 INFO L87 Difference]: Start difference. First operand 560 states and 661 transitions. Second operand 5 states. [2020-10-13 08:48:59,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:59,045 INFO L93 Difference]: Finished difference Result 1130 states and 1341 transitions. [2020-10-13 08:48:59,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:59,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 324 [2020-10-13 08:48:59,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:59,049 INFO L225 Difference]: With dead ends: 1130 [2020-10-13 08:48:59,050 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:48:59,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:59,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:48:59,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:48:59,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:48:59,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 659 transitions. [2020-10-13 08:48:59,072 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 659 transitions. Word has length 324 [2020-10-13 08:48:59,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:59,073 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 659 transitions. [2020-10-13 08:48:59,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:59,073 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 659 transitions. [2020-10-13 08:48:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-13 08:48:59,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:59,079 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:59,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:48:59,080 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:59,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1300565124, now seen corresponding path program 1 times [2020-10-13 08:48:59,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:59,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539198434] [2020-10-13 08:48:59,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:59,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:59,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:59,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:59,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:02,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:02,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-10-13 08:49:02,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:49:02,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3637 [2020-10-13 08:49:02,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:02,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:49:02,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-13 08:49:02,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:49:02,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:02,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:02,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:02,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:02,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:02,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:02,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:02,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:02,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:02,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:02,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:02,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:02,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:02,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:49:02,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:02,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:49:02,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:02,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:02,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:49:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:02,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:03,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:03,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:49:03,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:03,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 08:49:03,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:03,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:03,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:03,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:49:03,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:49:03,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539198434] [2020-10-13 08:49:03,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:03,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:49:03,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698718270] [2020-10-13 08:49:03,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:49:03,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:03,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:49:03,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:49:03,139 INFO L87 Difference]: Start difference. First operand 560 states and 659 transitions. Second operand 8 states. [2020-10-13 08:49:04,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:04,075 INFO L93 Difference]: Finished difference Result 1169 states and 1376 transitions. [2020-10-13 08:49:04,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:49:04,076 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 327 [2020-10-13 08:49:04,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:04,080 INFO L225 Difference]: With dead ends: 1169 [2020-10-13 08:49:04,080 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:04,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:49:04,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:04,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:04,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:04,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 655 transitions. [2020-10-13 08:49:04,099 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 655 transitions. Word has length 327 [2020-10-13 08:49:04,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:04,100 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 655 transitions. [2020-10-13 08:49:04,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:49:04,100 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 655 transitions. [2020-10-13 08:49:04,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-13 08:49:04,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:04,103 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:04,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:49:04,103 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:04,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:04,104 INFO L82 PathProgramCache]: Analyzing trace with hash -643493232, now seen corresponding path program 1 times [2020-10-13 08:49:04,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:04,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652559240] [2020-10-13 08:49:04,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:04,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:04,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:04,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:05,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:07,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:07,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-10-13 08:49:07,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:49:07,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3027 [2020-10-13 08:49:07,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:07,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:07,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-13 08:49:07,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:49:07,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:07,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:07,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:07,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:07,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:07,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:07,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:07,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:07,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:07,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:07,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:07,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:49:07,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 08:49:07,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:07,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:49:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:07,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:07,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:07,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 08:49:07,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:07,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 08:49:07,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:07,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:07,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:07,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 08:49:07,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-13 08:49:07,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652559240] [2020-10-13 08:49:07,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:07,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:07,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584023502] [2020-10-13 08:49:07,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:07,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:07,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:07,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:07,476 INFO L87 Difference]: Start difference. First operand 560 states and 655 transitions. Second operand 5 states. [2020-10-13 08:49:08,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:08,200 INFO L93 Difference]: Finished difference Result 1133 states and 1332 transitions. [2020-10-13 08:49:08,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:08,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 333 [2020-10-13 08:49:08,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:08,209 INFO L225 Difference]: With dead ends: 1133 [2020-10-13 08:49:08,209 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:08,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:08,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:08,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 653 transitions. [2020-10-13 08:49:08,228 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 653 transitions. Word has length 333 [2020-10-13 08:49:08,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:08,228 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 653 transitions. [2020-10-13 08:49:08,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 653 transitions. [2020-10-13 08:49:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-13 08:49:08,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:08,231 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:08,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:49:08,232 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:08,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:08,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1365013268, now seen corresponding path program 1 times [2020-10-13 08:49:08,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:08,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977690493] [2020-10-13 08:49:08,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:08,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:08,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:08,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:10,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:11,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:11,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-13 08:49:11,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:49:11,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3458 [2020-10-13 08:49:11,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 285 [2020-10-13 08:49:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:49:11,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:11,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:11,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:11,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:11,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:11,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:11,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:49:11,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:11,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:11,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:11,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:11,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:11,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:11,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:11,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:11,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:49:11,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:11,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 08:49:11,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:11,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:49:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:11,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:11,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:11,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:49:11,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:11,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 08:49:11,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:11,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:11,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:11,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:49:11,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:49:12,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977690493] [2020-10-13 08:49:12,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:12,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:12,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590444588] [2020-10-13 08:49:12,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:12,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:12,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:12,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:12,036 INFO L87 Difference]: Start difference. First operand 560 states and 653 transitions. Second operand 5 states. [2020-10-13 08:49:12,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:12,738 INFO L93 Difference]: Finished difference Result 1143 states and 1338 transitions. [2020-10-13 08:49:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:12,741 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 335 [2020-10-13 08:49:12,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:12,745 INFO L225 Difference]: With dead ends: 1143 [2020-10-13 08:49:12,745 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:12,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:12,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:12,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:12,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 651 transitions. [2020-10-13 08:49:12,763 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 651 transitions. Word has length 335 [2020-10-13 08:49:12,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:12,763 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 651 transitions. [2020-10-13 08:49:12,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:12,764 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 651 transitions. [2020-10-13 08:49:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-13 08:49:12,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:12,766 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:12,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:49:12,767 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:12,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:12,767 INFO L82 PathProgramCache]: Analyzing trace with hash 310098195, now seen corresponding path program 1 times [2020-10-13 08:49:12,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:12,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974815612] [2020-10-13 08:49:12,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:12,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:12,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:12,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:13,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:16,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:17,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:17,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 348 [2020-10-13 08:49:17,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:49:17,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 08:49:17,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:17,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 286 [2020-10-13 08:49:17,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:49:17,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:17,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:17,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:17,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:17,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:17,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:17,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:17,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:17,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:17,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:17,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:17,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:17,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:17,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:17,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:17,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:49:17,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:17,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:49:17,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:17,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:49:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:18,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:18,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:18,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 08:49:18,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:18,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 08:49:18,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:18,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:18,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 08:49:18,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:18,130 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-13 08:49:18,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974815612] [2020-10-13 08:49:18,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:18,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:18,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531056628] [2020-10-13 08:49:18,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:18,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:18,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:18,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:18,133 INFO L87 Difference]: Start difference. First operand 560 states and 651 transitions. Second operand 5 states. [2020-10-13 08:49:18,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:18,860 INFO L93 Difference]: Finished difference Result 1131 states and 1322 transitions. [2020-10-13 08:49:18,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:18,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 336 [2020-10-13 08:49:18,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:18,864 INFO L225 Difference]: With dead ends: 1131 [2020-10-13 08:49:18,864 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:18,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:18,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:18,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:18,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 649 transitions. [2020-10-13 08:49:18,884 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 649 transitions. Word has length 336 [2020-10-13 08:49:18,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:18,884 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 649 transitions. [2020-10-13 08:49:18,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 649 transitions. [2020-10-13 08:49:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-13 08:49:18,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:18,887 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:18,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:49:18,888 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:18,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:18,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1386583733, now seen corresponding path program 1 times [2020-10-13 08:49:18,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:18,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335248174] [2020-10-13 08:49:18,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:18,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:18,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:19,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:21,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:22,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 352 [2020-10-13 08:49:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:49:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3330 [2020-10-13 08:49:22,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 290 [2020-10-13 08:49:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:49:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:22,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:22,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:22,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:22,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:22,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:22,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:49:22,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:22,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:22,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:22,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:22,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:49:22,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:22,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:49:22,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:22,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:22,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:22,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:22,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:22,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:49:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:22,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:22,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:22,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 08:49:22,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:22,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 08:49:22,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:22,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-13 08:49:22,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-13 08:49:22,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335248174] [2020-10-13 08:49:22,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:22,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:22,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53407492] [2020-10-13 08:49:22,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:22,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:22,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:22,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:22,571 INFO L87 Difference]: Start difference. First operand 560 states and 649 transitions. Second operand 5 states. [2020-10-13 08:49:23,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:23,266 INFO L93 Difference]: Finished difference Result 1141 states and 1328 transitions. [2020-10-13 08:49:23,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:23,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 340 [2020-10-13 08:49:23,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:23,271 INFO L225 Difference]: With dead ends: 1141 [2020-10-13 08:49:23,271 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:23,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:23,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:23,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 647 transitions. [2020-10-13 08:49:23,287 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 647 transitions. Word has length 340 [2020-10-13 08:49:23,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:23,288 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 647 transitions. [2020-10-13 08:49:23,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 647 transitions. [2020-10-13 08:49:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-13 08:49:23,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:23,291 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:23,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:49:23,291 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:23,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:23,292 INFO L82 PathProgramCache]: Analyzing trace with hash 2007362919, now seen corresponding path program 1 times [2020-10-13 08:49:23,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:23,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1517210515] [2020-10-13 08:49:23,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:23,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:23,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:24,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:25,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:26,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:26,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 354 [2020-10-13 08:49:26,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:49:26,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2841 [2020-10-13 08:49:26,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:26,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:26,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 292 [2020-10-13 08:49:26,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:49:26,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:26,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:26,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:26,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:26,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:26,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:26,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:26,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:26,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:26,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:26,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:26,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:26,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:49:26,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:26,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:49:26,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:26,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:26,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:49:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:26,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:26,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:26,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-13 08:49:26,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 08:49:26,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:49:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-13 08:49:26,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1517210515] [2020-10-13 08:49:26,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:26,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:26,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686602057] [2020-10-13 08:49:26,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:26,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:26,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:26,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:26,488 INFO L87 Difference]: Start difference. First operand 560 states and 647 transitions. Second operand 5 states. [2020-10-13 08:49:27,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:27,227 INFO L93 Difference]: Finished difference Result 1145 states and 1328 transitions. [2020-10-13 08:49:27,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:27,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 342 [2020-10-13 08:49:27,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:27,233 INFO L225 Difference]: With dead ends: 1145 [2020-10-13 08:49:27,233 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:27,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:27,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:27,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:27,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 645 transitions. [2020-10-13 08:49:27,256 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 645 transitions. Word has length 342 [2020-10-13 08:49:27,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:27,257 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 645 transitions. [2020-10-13 08:49:27,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:27,257 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 645 transitions. [2020-10-13 08:49:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-13 08:49:27,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:27,261 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:27,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:49:27,261 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:27,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:27,262 INFO L82 PathProgramCache]: Analyzing trace with hash 30488760, now seen corresponding path program 1 times [2020-10-13 08:49:27,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:27,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493564818] [2020-10-13 08:49:27,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:27,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:27,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:27,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:28,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:29,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:29,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 357 [2020-10-13 08:49:29,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:49:29,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2238 [2020-10-13 08:49:29,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-13 08:49:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 08:49:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:29,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:29,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:29,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:29,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:29,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:29,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:49:29,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:29,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:29,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:29,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:29,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:29,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:29,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:49:29,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:29,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:49:29,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:29,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:29,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:49:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:29,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:29,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:29,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 08:49:29,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:29,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 08:49:29,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:29,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:29,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:29,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-13 08:49:29,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-13 08:49:29,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493564818] [2020-10-13 08:49:29,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:29,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:29,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408975449] [2020-10-13 08:49:29,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:29,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:29,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:29,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:29,819 INFO L87 Difference]: Start difference. First operand 560 states and 645 transitions. Second operand 5 states. [2020-10-13 08:49:30,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:30,572 INFO L93 Difference]: Finished difference Result 1144 states and 1323 transitions. [2020-10-13 08:49:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:30,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 345 [2020-10-13 08:49:30,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:30,577 INFO L225 Difference]: With dead ends: 1144 [2020-10-13 08:49:30,577 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:30,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:30,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:30,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:30,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 643 transitions. [2020-10-13 08:49:30,593 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 643 transitions. Word has length 345 [2020-10-13 08:49:30,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:30,593 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 643 transitions. [2020-10-13 08:49:30,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:30,594 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 643 transitions. [2020-10-13 08:49:30,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-10-13 08:49:30,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:30,596 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:30,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:49:30,597 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:30,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:30,597 INFO L82 PathProgramCache]: Analyzing trace with hash 362499487, now seen corresponding path program 1 times [2020-10-13 08:49:30,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:30,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048244872] [2020-10-13 08:49:30,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:30,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:30,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:30,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:32,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:32,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:35,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:35,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-10-13 08:49:35,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:49:35,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 08:49:35,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:35,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:49:35,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 296 [2020-10-13 08:49:35,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 08:49:35,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:35,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:35,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:35,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:35,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:35,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:35,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:49:35,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:35,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:35,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:35,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:35,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:35,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:49:35,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:35,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 08:49:35,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:35,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:35,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:49:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:35,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:35,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:35,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-13 08:49:35,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:35,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 08:49:35,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:35,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:35,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:35,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:49:35,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-13 08:49:36,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048244872] [2020-10-13 08:49:36,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:36,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:49:36,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340304249] [2020-10-13 08:49:36,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:49:36,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:36,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:49:36,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:49:36,035 INFO L87 Difference]: Start difference. First operand 560 states and 643 transitions. Second operand 8 states. [2020-10-13 08:49:36,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:36,946 INFO L93 Difference]: Finished difference Result 1168 states and 1349 transitions. [2020-10-13 08:49:36,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:49:36,947 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 346 [2020-10-13 08:49:36,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:36,949 INFO L225 Difference]: With dead ends: 1168 [2020-10-13 08:49:36,949 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:36,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:49:36,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:36,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:36,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 639 transitions. [2020-10-13 08:49:36,965 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 639 transitions. Word has length 346 [2020-10-13 08:49:36,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:36,966 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 639 transitions. [2020-10-13 08:49:36,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:49:36,966 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 639 transitions. [2020-10-13 08:49:36,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-10-13 08:49:36,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:36,969 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:36,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:49:36,969 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:36,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:36,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1612105229, now seen corresponding path program 1 times [2020-10-13 08:49:36,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:36,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793850059] [2020-10-13 08:49:36,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:37,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:37,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:37,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:38,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:39,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:42,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:42,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 364 [2020-10-13 08:49:42,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:49:42,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 08:49:42,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:42,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:42,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 302 [2020-10-13 08:49:42,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 08:49:42,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:42,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:42,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:42,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:42,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:42,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:42,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:42,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:42,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:42,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:42,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:42,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:42,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:42,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:42,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:42,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:49:42,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:49:42,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:42,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:42,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:49:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:42,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:42,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:42,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 08:49:42,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:42,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 08:49:42,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-13 08:49:42,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-13 08:49:42,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793850059] [2020-10-13 08:49:42,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:42,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:42,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606465729] [2020-10-13 08:49:42,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:42,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:42,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:42,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:42,346 INFO L87 Difference]: Start difference. First operand 560 states and 639 transitions. Second operand 5 states. [2020-10-13 08:49:43,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:43,062 INFO L93 Difference]: Finished difference Result 1150 states and 1317 transitions. [2020-10-13 08:49:43,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:43,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 352 [2020-10-13 08:49:43,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:43,064 INFO L225 Difference]: With dead ends: 1150 [2020-10-13 08:49:43,064 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:43,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:43,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:43,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 637 transitions. [2020-10-13 08:49:43,081 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 637 transitions. Word has length 352 [2020-10-13 08:49:43,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:43,082 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 637 transitions. [2020-10-13 08:49:43,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 637 transitions. [2020-10-13 08:49:43,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-13 08:49:43,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:43,085 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:43,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:49:43,085 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:43,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:43,085 INFO L82 PathProgramCache]: Analyzing trace with hash 988985955, now seen corresponding path program 1 times [2020-10-13 08:49:43,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:43,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619737753] [2020-10-13 08:49:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:43,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:43,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:43,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:44,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:48,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:48,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 372 [2020-10-13 08:49:48,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:49:48,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-13 08:49:48,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 310 [2020-10-13 08:49:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 08:49:48,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:48,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:48,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:48,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:48,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:48,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:48,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:49:48,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:48,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:48,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:48,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:48,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:48,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:48,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:48,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:48,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:49:48,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:48,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:49:48,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:48,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:48,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:49:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:48,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:48,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:48,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:49:48,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:48,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 08:49:48,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:48,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:48,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:48,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:49:48,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-13 08:49:48,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619737753] [2020-10-13 08:49:48,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:48,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:48,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690860778] [2020-10-13 08:49:48,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:48,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:48,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:48,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:48,408 INFO L87 Difference]: Start difference. First operand 560 states and 637 transitions. Second operand 5 states. [2020-10-13 08:49:49,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:49,357 INFO L93 Difference]: Finished difference Result 1670 states and 1919 transitions. [2020-10-13 08:49:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:49,358 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 360 [2020-10-13 08:49:49,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:49,362 INFO L225 Difference]: With dead ends: 1670 [2020-10-13 08:49:49,362 INFO L226 Difference]: Without dead ends: 1116 [2020-10-13 08:49:49,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:49,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-13 08:49:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1112. [2020-10-13 08:49:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-10-13 08:49:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1220 transitions. [2020-10-13 08:49:49,385 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1220 transitions. Word has length 360 [2020-10-13 08:49:49,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:49,385 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1220 transitions. [2020-10-13 08:49:49,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:49,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1220 transitions. [2020-10-13 08:49:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2020-10-13 08:49:49,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:49,390 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:49:49,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:49:49,390 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:49,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:49,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1197786398, now seen corresponding path program 1 times [2020-10-13 08:49:49,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:49,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387293271] [2020-10-13 08:49:49,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:49,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:49,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:49,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:51,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:52,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:54,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:54,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 494 [2020-10-13 08:49:54,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:49:54,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 08:49:54,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 432 [2020-10-13 08:49:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:49:54,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:54,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:54,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:54,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:54,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:54,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:54,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:54,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:54,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:54,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:54,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:49:54,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:54,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:49:54,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:54,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:54,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:49:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:54,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:54,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:54,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:49:54,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:54,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:49:54,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:54,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:54,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:54,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:54,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:54,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-13 08:49:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:54,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:54,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:54,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 08:49:54,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:54,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 08:49:54,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-13 08:49:54,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2020-10-13 08:49:54,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387293271] [2020-10-13 08:49:54,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:54,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:54,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549543557] [2020-10-13 08:49:54,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:54,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:54,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:54,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:54,879 INFO L87 Difference]: Start difference. First operand 1112 states and 1220 transitions. Second operand 5 states. [2020-10-13 08:49:55,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:55,581 INFO L93 Difference]: Finished difference Result 2236 states and 2465 transitions. [2020-10-13 08:49:55,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:55,587 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 480 [2020-10-13 08:49:55,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:55,593 INFO L225 Difference]: With dead ends: 2236 [2020-10-13 08:49:55,593 INFO L226 Difference]: Without dead ends: 1116 [2020-10-13 08:49:55,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:55,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-13 08:49:55,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1112. [2020-10-13 08:49:55,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-10-13 08:49:55,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1216 transitions. [2020-10-13 08:49:55,627 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1216 transitions. Word has length 480 [2020-10-13 08:49:55,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:55,628 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1216 transitions. [2020-10-13 08:49:55,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1216 transitions. [2020-10-13 08:49:55,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2020-10-13 08:49:55,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:55,634 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:49:55,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 08:49:55,634 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:55,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:55,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1866128505, now seen corresponding path program 1 times [2020-10-13 08:49:55,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:55,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222616112] [2020-10-13 08:49:55,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:55,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:55,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:56,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:56,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:58,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:59,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:00,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:00,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 507 [2020-10-13 08:50:00,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:50:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 08:50:00,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 445 [2020-10-13 08:50:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 08:50:00,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:00,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:00,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:00,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:00,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:00,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:50:00,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:00,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:00,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:00,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:00,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:00,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:00,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:50:00,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:00,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:00,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:00,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:00,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:50:00,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:00,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 08:50:00,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:00,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-13 08:50:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:00,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:01,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:01,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:50:01,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:01,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 08:50:01,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:50:01,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2020-10-13 08:50:01,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222616112] [2020-10-13 08:50:01,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:01,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:50:01,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069282394] [2020-10-13 08:50:01,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:50:01,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:01,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:50:01,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:50:01,177 INFO L87 Difference]: Start difference. First operand 1112 states and 1216 transitions. Second operand 5 states. [2020-10-13 08:50:01,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:01,883 INFO L93 Difference]: Finished difference Result 2242 states and 2461 transitions. [2020-10-13 08:50:01,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:50:01,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 493 [2020-10-13 08:50:01,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:01,892 INFO L225 Difference]: With dead ends: 2242 [2020-10-13 08:50:01,893 INFO L226 Difference]: Without dead ends: 1116 [2020-10-13 08:50:01,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:50:01,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-13 08:50:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1112. [2020-10-13 08:50:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-10-13 08:50:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1214 transitions. [2020-10-13 08:50:01,920 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1214 transitions. Word has length 493 [2020-10-13 08:50:01,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:01,920 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1214 transitions. [2020-10-13 08:50:01,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:50:01,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1214 transitions. [2020-10-13 08:50:01,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2020-10-13 08:50:01,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:01,925 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:50:01,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 08:50:01,925 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:01,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:01,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1798649963, now seen corresponding path program 1 times [2020-10-13 08:50:01,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:01,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456774380] [2020-10-13 08:50:01,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:02,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:02,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:04,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:04,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:07,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:07,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 509 [2020-10-13 08:50:07,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:50:07,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 08:50:07,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:07,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 447 [2020-10-13 08:50:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 08:50:07,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:07,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:07,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:07,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:07,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:07,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:50:07,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:07,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:07,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:07,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:07,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:07,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:07,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:50:07,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:07,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:07,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:07,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:07,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:50:07,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:07,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 08:50:07,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:07,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:07,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-13 08:50:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:07,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:07,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:07,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:50:07,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:50:07,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:07,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:07,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:07,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-13 08:50:07,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2020-10-13 08:50:07,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456774380] [2020-10-13 08:50:07,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:07,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:50:07,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571259563] [2020-10-13 08:50:07,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:50:07,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:07,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:50:07,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:50:07,517 INFO L87 Difference]: Start difference. First operand 1112 states and 1214 transitions. Second operand 5 states. [2020-10-13 08:50:08,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:08,224 INFO L93 Difference]: Finished difference Result 2230 states and 2445 transitions. [2020-10-13 08:50:08,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:50:08,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 495 [2020-10-13 08:50:08,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:08,229 INFO L225 Difference]: With dead ends: 2230 [2020-10-13 08:50:08,229 INFO L226 Difference]: Without dead ends: 1116 [2020-10-13 08:50:08,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:50:08,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-13 08:50:08,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1112. [2020-10-13 08:50:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-10-13 08:50:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1212 transitions. [2020-10-13 08:50:08,252 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1212 transitions. Word has length 495 [2020-10-13 08:50:08,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:08,252 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1212 transitions. [2020-10-13 08:50:08,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:50:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1212 transitions. [2020-10-13 08:50:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2020-10-13 08:50:08,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:08,258 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:50:08,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 08:50:08,258 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:08,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:08,258 INFO L82 PathProgramCache]: Analyzing trace with hash 632684502, now seen corresponding path program 1 times [2020-10-13 08:50:08,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:08,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65665137] [2020-10-13 08:50:08,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:08,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:12,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:12,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:13,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:13,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 516 [2020-10-13 08:50:13,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:50:13,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 08:50:13,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:13,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:13,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 454 [2020-10-13 08:50:13,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 08:50:13,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:13,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:13,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:13,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:13,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:13,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:13,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:50:13,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:13,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:13,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:13,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:13,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:13,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:13,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:13,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:13,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:13,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:13,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 08:50:13,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:13,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:13,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:13,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:13,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:13,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:13,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:13,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:13,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:50:13,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:13,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:50:13,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:13,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:13,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-13 08:50:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:13,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:13,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:13,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-13 08:50:13,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:13,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 08:50:13,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-13 08:50:13,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:13,972 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2020-10-13 08:50:13,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65665137] [2020-10-13 08:50:13,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:13,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:50:13,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14409329] [2020-10-13 08:50:13,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:50:13,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:13,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:50:13,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:50:13,977 INFO L87 Difference]: Start difference. First operand 1112 states and 1212 transitions. Second operand 5 states. [2020-10-13 08:50:14,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:14,698 INFO L93 Difference]: Finished difference Result 2232 states and 2443 transitions. [2020-10-13 08:50:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:50:14,702 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 502 [2020-10-13 08:50:14,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:14,707 INFO L225 Difference]: With dead ends: 2232 [2020-10-13 08:50:14,707 INFO L226 Difference]: Without dead ends: 1116 [2020-10-13 08:50:14,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:50:14,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-13 08:50:14,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1112. [2020-10-13 08:50:14,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-10-13 08:50:14,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1210 transitions. [2020-10-13 08:50:14,737 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1210 transitions. Word has length 502 [2020-10-13 08:50:14,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:14,738 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1210 transitions. [2020-10-13 08:50:14,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:50:14,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1210 transitions. [2020-10-13 08:50:14,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2020-10-13 08:50:14,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:14,743 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:50:14,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 08:50:14,743 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:14,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:14,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1542635686, now seen corresponding path program 1 times [2020-10-13 08:50:14,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:14,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927801705] [2020-10-13 08:50:14,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:14,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:15,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:15,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:15,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:19,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 530 [2020-10-13 08:50:19,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:50:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-13 08:50:19,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 468 [2020-10-13 08:50:19,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 08:50:19,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:19,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:19,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:19,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:19,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:19,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:50:19,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:19,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:19,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:19,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:19,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:19,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:19,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:50:19,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:19,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:19,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:20,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:20,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:50:20,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:20,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 08:50:20,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:20,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:20,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:20,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:20,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-13 08:50:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:20,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:20,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:20,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-13 08:50:20,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:20,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-13 08:50:20,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:20,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-13 08:50:20,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2020-10-13 08:50:20,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927801705] [2020-10-13 08:50:20,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:20,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:50:20,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441245356] [2020-10-13 08:50:20,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:50:20,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:20,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:50:20,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:50:20,414 INFO L87 Difference]: Start difference. First operand 1112 states and 1210 transitions. Second operand 5 states. [2020-10-13 08:50:21,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:21,595 INFO L93 Difference]: Finished difference Result 2774 states and 3063 transitions. [2020-10-13 08:50:21,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:50:21,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 516 [2020-10-13 08:50:21,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:21,604 INFO L225 Difference]: With dead ends: 2774 [2020-10-13 08:50:21,604 INFO L226 Difference]: Without dead ends: 1668 [2020-10-13 08:50:21,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:50:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-10-13 08:50:21,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1664. [2020-10-13 08:50:21,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2020-10-13 08:50:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 1795 transitions. [2020-10-13 08:50:21,636 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 1795 transitions. Word has length 516 [2020-10-13 08:50:21,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:21,637 INFO L479 AbstractCegarLoop]: Abstraction has 1664 states and 1795 transitions. [2020-10-13 08:50:21,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:50:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 1795 transitions. [2020-10-13 08:50:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2020-10-13 08:50:21,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:21,642 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:50:21,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 08:50:21,643 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:21,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:21,643 INFO L82 PathProgramCache]: Analyzing trace with hash -2135806446, now seen corresponding path program 1 times [2020-10-13 08:50:21,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:21,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805940556] [2020-10-13 08:50:21,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:21,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:21,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:21,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:23,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:24,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:26,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:26,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:26,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 534 [2020-10-13 08:50:26,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:50:26,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-13 08:50:26,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:26,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:26,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 472 [2020-10-13 08:50:26,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:50:26,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:26,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:26,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:26,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:26,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:26,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:26,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:50:26,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:26,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:26,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:26,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:26,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:26,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:26,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:26,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:26,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:26,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:26,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 08:50:26,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:26,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:26,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:26,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:26,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:26,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:26,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:50:26,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:26,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:50:26,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:26,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:26,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:26,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:26,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:26,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-13 08:50:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:27,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:27,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:27,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 08:50:27,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-13 08:50:27,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-13 08:50:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2020-10-13 08:50:27,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805940556] [2020-10-13 08:50:27,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:27,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:50:27,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086430601] [2020-10-13 08:50:27,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:50:27,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:27,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:50:27,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:50:27,254 INFO L87 Difference]: Start difference. First operand 1664 states and 1795 transitions. Second operand 5 states. [2020-10-13 08:50:27,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:27,945 INFO L93 Difference]: Finished difference Result 3348 states and 3622 transitions. [2020-10-13 08:50:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:50:27,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 520 [2020-10-13 08:50:27,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:27,951 INFO L225 Difference]: With dead ends: 3348 [2020-10-13 08:50:27,951 INFO L226 Difference]: Without dead ends: 1668 [2020-10-13 08:50:27,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:50:27,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-10-13 08:50:27,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1664. [2020-10-13 08:50:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2020-10-13 08:50:27,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 1793 transitions. [2020-10-13 08:50:27,982 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 1793 transitions. Word has length 520 [2020-10-13 08:50:27,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:27,983 INFO L479 AbstractCegarLoop]: Abstraction has 1664 states and 1793 transitions. [2020-10-13 08:50:27,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:50:27,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 1793 transitions. [2020-10-13 08:50:27,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-10-13 08:50:27,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:27,988 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:50:27,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-13 08:50:27,989 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:27,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:27,989 INFO L82 PathProgramCache]: Analyzing trace with hash -2120198106, now seen corresponding path program 1 times [2020-10-13 08:50:27,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:27,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055770913] [2020-10-13 08:50:27,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:28,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:28,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:28,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:30,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:31,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:33,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:33,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 540 [2020-10-13 08:50:33,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:50:33,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 08:50:33,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 478 [2020-10-13 08:50:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 08:50:33,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:33,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:33,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:33,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:33,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:33,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:33,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:50:33,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:33,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:33,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:33,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:33,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:33,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:33,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:33,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:33,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:33,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:33,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:50:33,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:33,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:33,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:33,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:33,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:33,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:50:33,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:33,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:50:33,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:33,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:33,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-13 08:50:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:33,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:33,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:33,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 08:50:33,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:33,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 08:50:33,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-13 08:50:33,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:33,650 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2020-10-13 08:50:33,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055770913] [2020-10-13 08:50:33,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:33,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:50:33,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152449985] [2020-10-13 08:50:33,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:50:33,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:33,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:50:33,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:50:33,652 INFO L87 Difference]: Start difference. First operand 1664 states and 1793 transitions. Second operand 5 states. [2020-10-13 08:50:34,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:34,387 INFO L93 Difference]: Finished difference Result 3350 states and 3620 transitions. [2020-10-13 08:50:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:50:34,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 526 [2020-10-13 08:50:34,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:34,394 INFO L225 Difference]: With dead ends: 3350 [2020-10-13 08:50:34,394 INFO L226 Difference]: Without dead ends: 1668 [2020-10-13 08:50:34,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:50:34,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-10-13 08:50:34,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1664. [2020-10-13 08:50:34,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2020-10-13 08:50:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 1787 transitions. [2020-10-13 08:50:34,435 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 1787 transitions. Word has length 526 [2020-10-13 08:50:34,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:34,435 INFO L479 AbstractCegarLoop]: Abstraction has 1664 states and 1787 transitions. [2020-10-13 08:50:34,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:50:34,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 1787 transitions. [2020-10-13 08:50:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2020-10-13 08:50:34,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:34,448 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:50:34,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-13 08:50:34,448 INFO L427 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:34,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:34,449 INFO L82 PathProgramCache]: Analyzing trace with hash 582167665, now seen corresponding path program 1 times [2020-10-13 08:50:34,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:34,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1730487966] [2020-10-13 08:50:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:34,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:34,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:34,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:35,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:38,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:39,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:39,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:39,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 543 [2020-10-13 08:50:39,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:50:39,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-13 08:50:39,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 481 [2020-10-13 08:50:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 08:50:39,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:39,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:39,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:39,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:39,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:39,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:39,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:50:39,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:39,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:50:39,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:39,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:39,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:39,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:39,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:39,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:50:39,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:39,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:39,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:39,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:39,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:39,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:50:39,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:39,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 08:50:39,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:39,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:39,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-13 08:50:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:39,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:40,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:40,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 08:50:40,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:40,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-13 08:50:40,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 08:50:40,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2020-10-13 08:50:40,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1730487966] [2020-10-13 08:50:40,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:40,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:50:40,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625525107] [2020-10-13 08:50:40,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:50:40,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:40,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:50:40,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:50:40,245 INFO L87 Difference]: Start difference. First operand 1664 states and 1787 transitions. Second operand 5 states. [2020-10-13 08:50:40,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:40,966 INFO L93 Difference]: Finished difference Result 3169 states and 3389 transitions. [2020-10-13 08:50:40,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:50:40,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 529 [2020-10-13 08:50:40,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:40,971 INFO L225 Difference]: With dead ends: 3169 [2020-10-13 08:50:40,972 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:50:40,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:50:40,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:50:40,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:50:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:50:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:50:40,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 529 [2020-10-13 08:50:40,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:40,979 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:50:40,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:50:40,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:50:40,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:50:40,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-13 08:50:40,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:50:41,702 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 105 [2020-10-13 08:50:42,142 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 105 [2020-10-13 08:50:43,959 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 271 DAG size of output: 187 [2020-10-13 08:50:44,604 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-10-13 08:50:45,312 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-10-13 08:50:45,317 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:50:45,318 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-13 08:50:45,318 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:50:45,318 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-13 08:50:45,319 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-13 08:50:45,319 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,319 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,319 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,319 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-13 08:50:45,319 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:50:45,319 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:50:45,319 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:50:45,320 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-13 08:50:45,320 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-13 08:50:45,320 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-13 08:50:45,320 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-13 08:50:45,320 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,320 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,320 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,320 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-13 08:50:45,320 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-13 08:50:45,321 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:50:45,321 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:50:45,321 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:50:45,321 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-13 08:50:45,321 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-13 08:50:45,321 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-13 08:50:45,321 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,321 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,322 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,322 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-13 08:50:45,322 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:50:45,322 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:50:45,322 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:50:45,322 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-13 08:50:45,322 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-13 08:50:45,322 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-13 08:50:45,322 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-13 08:50:45,323 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-13 08:50:45,323 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,323 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,323 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,323 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-13 08:50:45,323 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:50:45,323 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:50:45,323 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:50:45,324 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-13 08:50:45,324 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-13 08:50:45,324 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-13 08:50:45,324 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,324 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,324 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,324 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-13 08:50:45,324 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:50:45,324 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:50:45,325 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:50:45,325 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-13 08:50:45,325 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-13 08:50:45,325 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-13 08:50:45,325 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-13 08:50:45,325 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-13 08:50:45,325 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,325 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,325 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,326 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,326 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-13 08:50:45,326 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:50:45,326 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:50:45,326 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:50:45,326 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-13 08:50:45,326 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-13 08:50:45,326 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-13 08:50:45,326 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-13 08:50:45,327 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,327 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,327 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,327 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:50:45,327 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:50:45,327 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:50:45,327 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-13 08:50:45,327 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-13 08:50:45,327 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-13 08:50:45,327 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-13 08:50:45,328 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-13 08:50:45,328 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,328 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,328 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,328 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-13 08:50:45,328 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-13 08:50:45,328 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:50:45,328 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:50:45,328 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:50:45,329 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-13 08:50:45,330 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse16 (= ~a24~0 |old(~a24~0)|)) (.cse31 (= ~a15~0 |old(~a15~0)|)) (.cse34 (= 7 ~a15~0)) (.cse36 (= ~a21~0 9)) (.cse23 (= 5 ~a15~0)) (.cse35 (= ~a21~0 |old(~a21~0)|)) (.cse24 (= ~a24~0 1)) (.cse17 (= ~a12~0 |old(~a12~0)|))) (let ((.cse22 (not (= 8 |old(~a21~0)|))) (.cse25 (= ~a21~0 8)) (.cse4 (not (<= |old(~a12~0)| 80))) (.cse2 (and .cse23 .cse35 .cse24 .cse17)) (.cse19 (and .cse34 .cse24 .cse36 .cse17)) (.cse26 (not (<= 81 |old(~a12~0)|))) (.cse6 (and .cse34 (= ~a21~0 6) .cse24 .cse17)) (.cse13 (not (<= |old(~a12~0)| 10))) (.cse14 (not (<= 0 (+ |old(~a12~0)| 41)))) (.cse7 (not (= 6 |old(~a21~0)|))) (.cse9 (not (<= 1 |old(~a24~0)|))) (.cse10 (not (<= |old(~a24~0)| 1))) (.cse11 (not (<= |old(~a15~0)| 6))) (.cse12 (not (<= 6 |old(~a15~0)|))) (.cse27 (not (<= 6 |old(~a21~0)|))) (.cse28 (not (<= |old(~a21~0)| 6))) (.cse15 (<= 6 ~a15~0)) (.cse29 (<= 6 ~a21~0)) (.cse30 (<= ~a21~0 6)) (.cse18 (<= ~a15~0 6)) (.cse32 (not (= 6 |old(~a15~0)|))) (.cse33 (and .cse24 .cse36 .cse17 .cse31)) (.cse0 (not (= 10 |old(~a21~0)|))) (.cse8 (not (= 7 |old(~a15~0)|))) (.cse21 (and .cse16 .cse35 .cse17 .cse31)) (.cse1 (not (= |old(~a24~0)| 1))) (.cse3 (not (<= 12 |old(~a12~0)|))) (.cse20 (not (= 9 |old(~a21~0)|))) (.cse5 (not (= 5 |old(~a15~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse7 .cse8 (not (<= (+ |old(~a12~0)| 2797) 0))) (or .cse9 .cse10 .cse11 (not (<= 10 |old(~a21~0)|)) .cse12 .cse13 .cse14 (not (<= |old(~a21~0)| 10)) (and .cse15 .cse16 (<= 10 ~a21~0) .cse17 (<= ~a21~0 10) .cse18)) (or .cse1 .cse19 .cse3 .cse20 .cse4 .cse8) (or .cse21 (not (= 8 |old(~a15~0)|))) (or .cse1 .cse22 .cse3 .cse4 (and .cse23 .cse24 .cse25 .cse17) .cse5) (or (not (<= |old(~a15~0)| 7)) .cse9 .cse10 .cse26 .cse27 .cse28 (not (<= 7 |old(~a15~0)|)) (and .cse16 .cse29 .cse17 .cse30 .cse31)) (or .cse32 .cse1 .cse20 (not (<= |old(~a12~0)| 11)) (not (<= 0 (+ |old(~a12~0)| 42))) .cse33) (or (not (= 7 |old(~a21~0)|)) (and .cse16 .cse17 (= 7 ~a21~0) .cse31)) (or .cse1 .cse22 (and .cse34 .cse24 .cse25 .cse17) .cse8) (or (not (<= 8 |old(~a21~0)|)) .cse9 .cse10 .cse11 .cse12 (and .cse15 .cse16 .cse35 .cse17 .cse18) .cse3 .cse4 (not (<= |old(~a21~0)| 8))) (or .cse32 .cse1 (not (<= 12849 |old(~a12~0)|)) (and .cse24 .cse17 (= ~a21~0 ~a15~0) .cse31) (not (= |old(~a15~0)| |old(~a21~0)|))) (or (and (<= ~a15~0 5) .cse16 .cse29 .cse17 .cse30 (<= 5 ~a15~0)) .cse9 .cse10 .cse27 .cse28 (not (<= 5 |old(~a15~0)|)) (not (<= |old(~a15~0)| 5))) (or .cse0 (not (<= 0 (+ |old(~a12~0)| 12))) .cse1 (not (<= (+ |old(~a12~0)| 1) 0)) .cse2 .cse5) (or .cse0 .cse1 .cse2 (not (<= 657 |old(~a12~0)|)) .cse5) (or (not (<= 528306 |old(~a12~0)|)) .cse1 .cse20 .cse19 .cse8) (or .cse32 .cse1 .cse26 .cse20 .cse33) (or .cse6 .cse1 .cse13 .cse14 .cse7 .cse8) (or .cse9 (not (<= |old(~a12~0)| 46)) .cse10 .cse11 .cse12 (not (<= 13 |old(~a12~0)|)) .cse27 .cse28 (and .cse15 .cse16 .cse29 .cse17 .cse30 .cse18)) (or (not (<= (+ |old(~a12~0)| 7499) 0)) .cse21) (or .cse32 .cse1 (not (<= (+ |old(~a12~0)| 45) 0)) .cse20 .cse33) (or .cse0 .cse1 (and .cse34 .cse35 .cse24 .cse17) .cse8) (or .cse21 (not (= 9 |old(~a15~0)|))) (or (not (<= |old(~a12~0)| 78)) .cse1 .cse3 .cse20 (and .cse23 .cse24 .cse36 .cse17) .cse5)))) [2020-10-13 08:50:45,330 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-13 08:50:45,330 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-13 08:50:45,330 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,330 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,331 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,331 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:50:45,331 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:50:45,331 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:50:45,331 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-13 08:50:45,331 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-13 08:50:45,331 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-13 08:50:45,331 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-13 08:50:45,331 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-13 08:50:45,331 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,332 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,332 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,332 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-13 08:50:45,332 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-13 08:50:45,332 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:50:45,332 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:50:45,332 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:50:45,332 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-13 08:50:45,332 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-13 08:50:45,333 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-13 08:50:45,333 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,333 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,333 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,333 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-13 08:50:45,333 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:50:45,333 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:50:45,333 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:50:45,333 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-13 08:50:45,333 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-13 08:50:45,334 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-13 08:50:45,334 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-13 08:50:45,334 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,334 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,334 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,334 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-13 08:50:45,334 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:50:45,334 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:50:45,334 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:50:45,335 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-13 08:50:45,335 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-13 08:50:45,335 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-13 08:50:45,335 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-13 08:50:45,335 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,335 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,335 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-13 08:50:45,335 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:50:45,335 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:50:45,336 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-13 08:50:45,336 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-13 08:50:45,336 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-13 08:50:45,336 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-13 08:50:45,336 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-13 08:50:45,336 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2020-10-13 08:50:45,336 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,336 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,336 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-13 08:50:45,337 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:50:45,337 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:50:45,337 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-13 08:50:45,337 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-13 08:50:45,337 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-13 08:50:45,337 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,337 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,337 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-13 08:50:45,337 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-13 08:50:45,337 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:50:45,338 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:50:45,338 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-13 08:50:45,338 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-13 08:50:45,338 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-13 08:50:45,338 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-13 08:50:45,338 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,338 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,338 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-13 08:50:45,338 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-13 08:50:45,338 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:50:45,339 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:50:45,339 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-13 08:50:45,339 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-13 08:50:45,339 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-13 08:50:45,339 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,339 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,339 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,339 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-13 08:50:45,339 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-13 08:50:45,340 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:50:45,340 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:50:45,340 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-13 08:50:45,340 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-13 08:50:45,340 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,340 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,340 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:50:45,340 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,340 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-13 08:50:45,341 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-13 08:50:45,341 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-13 08:50:45,341 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:50:45,341 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:50:45,341 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:50:45,341 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-13 08:50:45,341 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-13 08:50:45,341 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-13 08:50:45,341 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-13 08:50:45,341 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,342 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,342 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,342 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-13 08:50:45,342 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:50:45,342 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:50:45,342 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:50:45,342 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-13 08:50:45,342 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-13 08:50:45,342 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-13 08:50:45,343 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-13 08:50:45,343 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,343 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,343 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,343 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-13 08:50:45,343 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-13 08:50:45,343 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:50:45,343 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:50:45,343 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:50:45,343 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-13 08:50:45,344 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-13 08:50:45,344 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-13 08:50:45,344 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,344 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,344 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,344 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-13 08:50:45,344 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:50:45,344 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:50:45,344 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:50:45,344 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-13 08:50:45,344 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-13 08:50:45,345 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-13 08:50:45,345 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-13 08:50:45,345 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-13 08:50:45,345 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,345 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,345 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:45,345 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-13 08:50:45,345 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:50:45,345 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:50:45,345 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:50:45,346 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-13 08:50:45,346 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:50:45,346 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= 7 ~a21~0)) [2020-10-13 08:50:45,346 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:50:45,346 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:50:45,346 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= ~a15~0 |old(~a15~0)|)) (not (= 8 |old(~a15~0)|))) [2020-10-13 08:50:45,346 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:50:45,347 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse3 (<= 0 (+ ~a12~0 41))) (.cse4 (<= ~a12~0 10)) (.cse13 (= ~a21~0 6)) (.cse5 (<= 6 ~a15~0)) (.cse6 (<= ~a24~0 1)) (.cse7 (<= 1 ~a24~0)) (.cse10 (<= 6 ~a21~0)) (.cse11 (<= ~a21~0 6)) (.cse8 (<= ~a15~0 6)) (.cse12 (= 7 ~a15~0)) (.cse18 (= ~a21~0 10)) (.cse9 (<= 81 ~a12~0)) (.cse1 (= ~a21~0 9)) (.cse2 (= ~a15~0 6)) (.cse17 (= 5 ~a15~0)) (.cse14 (<= 12 ~a12~0)) (.cse0 (= ~a24~0 1)) (.cse15 (<= ~a12~0 80)) (.cse16 (= ~a21~0 8))) (or (and (<= (+ ~a12~0 45) 0) .cse0 .cse1 .cse2) (not (= 8 |old(~a15~0)|)) (and .cse3 .cse4 .cse5 .cse6 .cse7 (<= 10 ~a21~0) (<= ~a21~0 10) .cse8) (and (<= ~a15~0 7) .cse6 .cse9 (<= 7 ~a15~0) .cse7 .cse10 .cse11) (= ~a15~0 9) (and .cse12 (<= 528306 ~a12~0) .cse0 .cse1) (and .cse12 .cse13 .cse0 (<= (+ ~a12~0 2797) 0)) (and .cse5 .cse6 .cse14 (<= 8 ~a21~0) .cse7 .cse15 (<= ~a21~0 8) .cse8) (and .cse12 .cse0 .cse16) (and .cse17 .cse14 .cse0 .cse1 (<= ~a12~0 78)) (and .cse12 .cse3 .cse4 .cse13 .cse0) (and (<= ~a15~0 5) .cse6 .cse7 .cse10 .cse11 (<= 5 ~a15~0)) (and (<= 12849 ~a12~0) .cse0 .cse2 (= ~a21~0 ~a15~0)) (and .cse17 (<= 0 (+ ~a12~0 12)) (<= (+ ~a12~0 1) 0) .cse18 .cse0) (and .cse12 .cse14 .cse0 .cse15 .cse1) (<= (+ ~a12~0 7499) 0) (and .cse17 .cse14 .cse18 .cse0 .cse15) (and (<= 0 (+ ~a12~0 42)) (<= ~a12~0 11) .cse0 .cse1 .cse2) (not (= 7 |old(~a21~0)|)) (and .cse17 (<= 657 ~a12~0) .cse18 .cse0) (= ~a15~0 8) (and (<= ~a12~0 46) (<= 13 ~a12~0) .cse5 .cse6 .cse7 .cse10 .cse11 .cse8) (and .cse12 .cse18 .cse0) (= 7 ~a21~0) (and .cse9 .cse0 .cse1 .cse2) (and .cse17 .cse14 .cse0 .cse15 .cse16))) [2020-10-13 08:50:45,347 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-13 08:50:45,347 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-13 08:50:45,348 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse3 (<= 0 (+ ~a12~0 41))) (.cse4 (<= ~a12~0 10)) (.cse13 (= ~a21~0 6)) (.cse5 (<= 6 ~a15~0)) (.cse6 (<= ~a24~0 1)) (.cse7 (<= 1 ~a24~0)) (.cse10 (<= 6 ~a21~0)) (.cse11 (<= ~a21~0 6)) (.cse8 (<= ~a15~0 6)) (.cse12 (= 7 ~a15~0)) (.cse18 (= ~a21~0 10)) (.cse9 (<= 81 ~a12~0)) (.cse1 (= ~a21~0 9)) (.cse2 (= ~a15~0 6)) (.cse17 (= 5 ~a15~0)) (.cse14 (<= 12 ~a12~0)) (.cse0 (= ~a24~0 1)) (.cse15 (<= ~a12~0 80)) (.cse16 (= ~a21~0 8))) (or (and (<= (+ ~a12~0 45) 0) .cse0 .cse1 .cse2) (not (= 8 |old(~a15~0)|)) (and .cse3 .cse4 .cse5 .cse6 .cse7 (<= 10 ~a21~0) (<= ~a21~0 10) .cse8) (and (<= ~a15~0 7) .cse6 .cse9 (<= 7 ~a15~0) .cse7 .cse10 .cse11) (= ~a15~0 9) (and .cse12 (<= 528306 ~a12~0) .cse0 .cse1) (and .cse12 .cse13 .cse0 (<= (+ ~a12~0 2797) 0)) (and .cse5 .cse6 .cse14 (<= 8 ~a21~0) .cse7 .cse15 (<= ~a21~0 8) .cse8) (and .cse12 .cse0 .cse16) (and .cse17 .cse14 .cse0 .cse1 (<= ~a12~0 78)) (and .cse12 .cse3 .cse4 .cse13 .cse0) (and (<= ~a15~0 5) .cse6 .cse7 .cse10 .cse11 (<= 5 ~a15~0)) (and (<= 12849 ~a12~0) .cse0 .cse2 (= ~a21~0 ~a15~0)) (and .cse17 (<= 0 (+ ~a12~0 12)) (<= (+ ~a12~0 1) 0) .cse18 .cse0) (and .cse12 .cse14 .cse0 .cse15 .cse1) (<= (+ ~a12~0 7499) 0) (and .cse17 .cse14 .cse18 .cse0 .cse15) (and (<= 0 (+ ~a12~0 42)) (<= ~a12~0 11) .cse0 .cse1 .cse2) (not (= 7 |old(~a21~0)|)) (and .cse17 (<= 657 ~a12~0) .cse18 .cse0) (= ~a15~0 8) (and (<= ~a12~0 46) (<= 13 ~a12~0) .cse5 .cse6 .cse7 .cse10 .cse11 .cse8) (and .cse12 .cse18 .cse0) (= 7 ~a21~0) (and .cse9 .cse0 .cse1 .cse2) (and .cse17 .cse14 .cse0 .cse15 .cse16))) [2020-10-13 08:50:45,348 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:50:45,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:50:45 BoogieIcfgContainer [2020-10-13 08:50:45,376 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:50:45,378 INFO L168 Benchmark]: Toolchain (without parser) took 142783.72 ms. Allocated memory was 142.6 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 103.5 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2020-10-13 08:50:45,378 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:50:45,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.87 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 103.3 MB in the beginning and 160.0 MB in the end (delta: -56.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:50:45,380 INFO L168 Benchmark]: Boogie Preprocessor took 118.69 ms. Allocated memory is still 204.5 MB. Free memory was 160.0 MB in the beginning and 154.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:50:45,380 INFO L168 Benchmark]: RCFGBuilder took 1950.75 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 154.2 MB in the beginning and 137.3 MB in the end (delta: 16.9 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. [2020-10-13 08:50:45,381 INFO L168 Benchmark]: TraceAbstraction took 139877.65 ms. Allocated memory was 233.3 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 137.3 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-10-13 08:50:45,383 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 831.87 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 103.3 MB in the beginning and 160.0 MB in the end (delta: -56.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.69 ms. Allocated memory is still 204.5 MB. Free memory was 160.0 MB in the beginning and 154.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1950.75 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 154.2 MB in the beginning and 137.3 MB in the end (delta: 16.9 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 139877.65 ms. Allocated memory was 233.3 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 137.3 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a12 + 45 <= 0 && a24 == 1) && a21 == 9) && a15 == 6) || !(8 == \old(a15))) || (((((((0 <= a12 + 41 && a12 <= 10) && 6 <= a15) && a24 <= 1) && 1 <= a24) && 10 <= a21) && a21 <= 10) && a15 <= 6)) || ((((((a15 <= 7 && a24 <= 1) && 81 <= a12) && 7 <= a15) && 1 <= a24) && 6 <= a21) && a21 <= 6)) || a15 == 9) || (((7 == a15 && 528306 <= a12) && a24 == 1) && a21 == 9)) || (((7 == a15 && a21 == 6) && a24 == 1) && a12 + 2797 <= 0)) || (((((((6 <= a15 && a24 <= 1) && 12 <= a12) && 8 <= a21) && 1 <= a24) && a12 <= 80) && a21 <= 8) && a15 <= 6)) || ((7 == a15 && a24 == 1) && a21 == 8)) || ((((5 == a15 && 12 <= a12) && a24 == 1) && a21 == 9) && a12 <= 78)) || ((((7 == a15 && 0 <= a12 + 41) && a12 <= 10) && a21 == 6) && a24 == 1)) || (((((a15 <= 5 && a24 <= 1) && 1 <= a24) && 6 <= a21) && a21 <= 6) && 5 <= a15)) || (((12849 <= a12 && a24 == 1) && a15 == 6) && a21 == a15)) || ((((5 == a15 && 0 <= a12 + 12) && a12 + 1 <= 0) && a21 == 10) && a24 == 1)) || ((((7 == a15 && 12 <= a12) && a24 == 1) && a12 <= 80) && a21 == 9)) || a12 + 7499 <= 0) || ((((5 == a15 && 12 <= a12) && a21 == 10) && a24 == 1) && a12 <= 80)) || ((((0 <= a12 + 42 && a12 <= 11) && a24 == 1) && a21 == 9) && a15 == 6)) || !(7 == \old(a21))) || (((5 == a15 && 657 <= a12) && a21 == 10) && a24 == 1)) || a15 == 8) || (((((((a12 <= 46 && 13 <= a12) && 6 <= a15) && a24 <= 1) && 1 <= a24) && 6 <= a21) && a21 <= 6) && a15 <= 6)) || ((7 == a15 && a21 == 10) && a24 == 1)) || 7 == a21) || (((81 <= a12 && a24 == 1) && a21 == 9) && a15 == 6)) || ((((5 == a15 && 12 <= a12) && a24 == 1) && a12 <= 80) && a21 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 135.4s, OverallIterations: 25, TraceHistogramMax: 4, AutomataDifference: 22.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 619 SDtfs, 6343 SDslu, 525 SDs, 0 SdLazy, 14798 SolverSat, 451 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 349 GetRequests, 209 SyntacticMatches, 23 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1664occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 25 MinimizatonAttempts, 96 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 141 PreInvPairs, 205 NumberOfFragments, 1588 HoareAnnotationTreeSize, 141 FomulaSimplifications, 2324303750 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1215 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 107.9s InterpolantComputationTime, 9006 NumberOfCodeBlocks, 9006 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 8981 ConstructedInterpolants, 0 QuantifiedInterpolants, 7148950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 1 PerfectInterpolantSequences, 7118/7171 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...