/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:07:17,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:07:17,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:07:17,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:07:17,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:07:17,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:07:17,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:07:17,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:07:17,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:07:17,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:07:17,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:07:17,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:07:17,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:07:17,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:07:17,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:07:17,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:07:17,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:07:17,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:07:17,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:07:17,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:07:17,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:07:17,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:07:17,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:07:17,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:07:17,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:07:17,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:07:17,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:07:17,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:07:17,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:07:17,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:07:17,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:07:17,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:07:17,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:07:17,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:07:17,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:07:17,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:07:17,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:07:17,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:07:17,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:07:17,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:07:17,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:07:17,536 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 19:07:17,571 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:07:17,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:07:17,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:07:17,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:07:17,576 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:07:17,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:07:17,577 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:07:17,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:07:17,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:07:17,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:07:17,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:07:17,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:07:17,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:07:17,581 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:07:17,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:07:17,581 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:07:17,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:07:17,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:07:17,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:07:17,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:07:17,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:07:17,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:07:17,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:07:17,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:07:17,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:07:17,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:07:17,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:07:17,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:07:17,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:07:17,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 19:07:17,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:07:17,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:07:17,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:07:17,928 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:07:17,929 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:07:17,929 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-10-14 19:07:18,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7b1f1b5f/d65a8bfdb3b4429693d53ff4ac5f9ba1/FLAGe68a7c8ff [2020-10-14 19:07:18,530 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:07:18,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-10-14 19:07:18,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7b1f1b5f/d65a8bfdb3b4429693d53ff4ac5f9ba1/FLAGe68a7c8ff [2020-10-14 19:07:18,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7b1f1b5f/d65a8bfdb3b4429693d53ff4ac5f9ba1 [2020-10-14 19:07:18,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:07:18,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:07:18,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:07:18,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:07:18,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:07:18,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:07:18" (1/1) ... [2020-10-14 19:07:18,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbfc66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:18, skipping insertion in model container [2020-10-14 19:07:18,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:07:18" (1/1) ... [2020-10-14 19:07:18,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:07:18,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:07:19,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:07:19,333 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:07:19,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:07:19,585 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:07:19,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:19 WrapperNode [2020-10-14 19:07:19,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:07:19,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:07:19,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:07:19,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:07:19,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:19" (1/1) ... [2020-10-14 19:07:19,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:19" (1/1) ... [2020-10-14 19:07:19,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:19" (1/1) ... [2020-10-14 19:07:19,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:19" (1/1) ... [2020-10-14 19:07:19,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:19" (1/1) ... [2020-10-14 19:07:19,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:19" (1/1) ... [2020-10-14 19:07:19,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:19" (1/1) ... [2020-10-14 19:07:19,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:07:19,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:07:19,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:07:19,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:07:19,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:07:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:07:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:07:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:07:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:07:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:07:19,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:07:19,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:07:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:07:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:07:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:07:19,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:07:21,043 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:07:21,044 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:07:21,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:07:21 BoogieIcfgContainer [2020-10-14 19:07:21,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:07:21,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:07:21,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:07:21,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:07:21,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:07:18" (1/3) ... [2020-10-14 19:07:21,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3ceada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:07:21, skipping insertion in model container [2020-10-14 19:07:21,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:19" (2/3) ... [2020-10-14 19:07:21,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3ceada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:07:21, skipping insertion in model container [2020-10-14 19:07:21,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:07:21" (3/3) ... [2020-10-14 19:07:21,067 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2020-10-14 19:07:21,079 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:07:21,091 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:07:21,109 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:07:21,151 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:07:21,152 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:07:21,152 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:07:21,153 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:07:21,153 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:07:21,153 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:07:21,154 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:07:21,155 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:07:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-14 19:07:21,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-14 19:07:21,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:21,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:21,206 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:21,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:21,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1961179338, now seen corresponding path program 1 times [2020-10-14 19:07:21,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:21,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418211449] [2020-10-14 19:07:21,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:21,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:21,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:22,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:22,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-14 19:07:22,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:07:22,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1356 [2020-10-14 19:07:22,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:22,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:07:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:07:22,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 19:07:22,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 19:07:22,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:22,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:23,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:23,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:23,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:23,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 19:07:23,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:23,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:07:23,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:07:23,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418211449] [2020-10-14 19:07:23,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:07:23,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 19:07:23,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136391142] [2020-10-14 19:07:23,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 19:07:23,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:23,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 19:07:23,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 19:07:23,060 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-10-14 19:07:24,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:24,690 INFO L93 Difference]: Finished difference Result 671 states and 1125 transitions. [2020-10-14 19:07:24,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:07:24,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2020-10-14 19:07:24,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:24,713 INFO L225 Difference]: With dead ends: 671 [2020-10-14 19:07:24,714 INFO L226 Difference]: Without dead ends: 341 [2020-10-14 19:07:24,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:07:24,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-10-14 19:07:24,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2020-10-14 19:07:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-10-14 19:07:24,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 480 transitions. [2020-10-14 19:07:24,829 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 480 transitions. Word has length 96 [2020-10-14 19:07:24,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:24,830 INFO L479 AbstractCegarLoop]: Abstraction has 332 states and 480 transitions. [2020-10-14 19:07:24,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 19:07:24,830 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 480 transitions. [2020-10-14 19:07:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-14 19:07:24,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:24,885 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:24,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:07:24,886 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:24,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:24,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1188249681, now seen corresponding path program 1 times [2020-10-14 19:07:24,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:24,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460401070] [2020-10-14 19:07:24,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:24,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:25,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:25,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:26,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:26,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 19:07:26,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:07:26,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1213 [2020-10-14 19:07:26,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:26,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:26,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:26,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 19:07:26,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 19:07:26,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:26,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:26,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:26,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:26,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:26,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:26,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:07:26,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:26,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:26,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:26,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 19:07:26,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:26,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:26,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:26,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 19:07:26,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:26,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 19:07:26,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:26,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 19:07:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 19:07:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:07:26,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460401070] [2020-10-14 19:07:26,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:26,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:07:26,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68543013] [2020-10-14 19:07:26,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:07:26,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:26,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:07:26,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:07:26,411 INFO L87 Difference]: Start difference. First operand 332 states and 480 transitions. Second operand 5 states. [2020-10-14 19:07:27,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:27,836 INFO L93 Difference]: Finished difference Result 962 states and 1425 transitions. [2020-10-14 19:07:27,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:07:27,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-14 19:07:27,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:27,843 INFO L225 Difference]: With dead ends: 962 [2020-10-14 19:07:27,844 INFO L226 Difference]: Without dead ends: 636 [2020-10-14 19:07:27,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:07:27,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-14 19:07:27,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 627. [2020-10-14 19:07:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-14 19:07:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 877 transitions. [2020-10-14 19:07:27,914 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 877 transitions. Word has length 104 [2020-10-14 19:07:27,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:27,917 INFO L479 AbstractCegarLoop]: Abstraction has 627 states and 877 transitions. [2020-10-14 19:07:27,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:07:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 877 transitions. [2020-10-14 19:07:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-14 19:07:27,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:27,923 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 19:07:27,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:07:27,923 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:27,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:27,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1268971123, now seen corresponding path program 1 times [2020-10-14 19:07:27,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:27,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371803816] [2020-10-14 19:07:27,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:27,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:27,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:29,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:29,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:30,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:30,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 19:07:30,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:07:30,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2495 [2020-10-14 19:07:30,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:30,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:30,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:30,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 19:07:30,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 19:07:30,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:30,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:30,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:30,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:30,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:30,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:30,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:07:30,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:30,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:30,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:30,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:30,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:30,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:30,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 19:07:30,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:07:30,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:30,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:30,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:30,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:30,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 19:07:30,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:30,631 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:07:30,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371803816] [2020-10-14 19:07:30,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:30,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:07:30,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631943717] [2020-10-14 19:07:30,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:07:30,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:30,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:07:30,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:07:30,633 INFO L87 Difference]: Start difference. First operand 627 states and 877 transitions. Second operand 6 states. [2020-10-14 19:07:32,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:32,384 INFO L93 Difference]: Finished difference Result 1986 states and 2879 transitions. [2020-10-14 19:07:32,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:07:32,388 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2020-10-14 19:07:32,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:32,397 INFO L225 Difference]: With dead ends: 1986 [2020-10-14 19:07:32,397 INFO L226 Difference]: Without dead ends: 1365 [2020-10-14 19:07:32,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:07:32,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-10-14 19:07:32,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1065. [2020-10-14 19:07:32,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2020-10-14 19:07:32,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1377 transitions. [2020-10-14 19:07:32,462 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1377 transitions. Word has length 106 [2020-10-14 19:07:32,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:32,463 INFO L479 AbstractCegarLoop]: Abstraction has 1065 states and 1377 transitions. [2020-10-14 19:07:32,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:07:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1377 transitions. [2020-10-14 19:07:32,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-14 19:07:32,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:32,468 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 19:07:32,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:07:32,469 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:32,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:32,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1624587727, now seen corresponding path program 1 times [2020-10-14 19:07:32,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:32,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359067755] [2020-10-14 19:07:32,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:32,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:32,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:32,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:32,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:33,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:33,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:34,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:34,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 19:07:34,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:07:34,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1684 [2020-10-14 19:07:34,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:34,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 19:07:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 19:07:34,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 19:07:34,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:34,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:34,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:34,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:34,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:34,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:07:34,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:34,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:34,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:34,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:34,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:34,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:34,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:34,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:34,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:34,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:34,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 19:07:34,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:07:34,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 19:07:34,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:34,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 19:07:34,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:07:34,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359067755] [2020-10-14 19:07:34,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:34,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:07:34,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13716309] [2020-10-14 19:07:34,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:07:34,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:34,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:07:34,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:07:34,396 INFO L87 Difference]: Start difference. First operand 1065 states and 1377 transitions. Second operand 5 states. [2020-10-14 19:07:35,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:35,629 INFO L93 Difference]: Finished difference Result 3153 states and 4187 transitions. [2020-10-14 19:07:35,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:07:35,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-10-14 19:07:35,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:35,647 INFO L225 Difference]: With dead ends: 3153 [2020-10-14 19:07:35,648 INFO L226 Difference]: Without dead ends: 1653 [2020-10-14 19:07:35,652 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 [2020-10-14 19:07:35,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2020-10-14 19:07:35,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1645. [2020-10-14 19:07:35,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1645 states. [2020-10-14 19:07:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2183 transitions. [2020-10-14 19:07:35,744 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2183 transitions. Word has length 117 [2020-10-14 19:07:35,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:35,745 INFO L479 AbstractCegarLoop]: Abstraction has 1645 states and 2183 transitions. [2020-10-14 19:07:35,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:07:35,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2183 transitions. [2020-10-14 19:07:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 19:07:35,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:35,749 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:35,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:07:35,750 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:35,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:35,750 INFO L82 PathProgramCache]: Analyzing trace with hash 142003357, now seen corresponding path program 1 times [2020-10-14 19:07:35,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:35,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544260665] [2020-10-14 19:07:35,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:35,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:35,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:36,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:36,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:37,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:37,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 19:07:37,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:07:37,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2005 [2020-10-14 19:07:37,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:37,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 19:07:37,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 19:07:37,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:07:37,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:37,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:37,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:37,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:37,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:37,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:07:37,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:37,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:37,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:37,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:37,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:37,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:37,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:37,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:37,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:37,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 19:07:37,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:37,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 19:07:37,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:37,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:37,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 19:07:37,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 19:07:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:37,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:37,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:37,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 19:07:37,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:37,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 19:07:37,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:37,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:37,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 19:07:37,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:38,063 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 19:07:38,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544260665] [2020-10-14 19:07:38,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:38,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:07:38,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484088014] [2020-10-14 19:07:38,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:07:38,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:38,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:07:38,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:07:38,066 INFO L87 Difference]: Start difference. First operand 1645 states and 2183 transitions. Second operand 5 states. [2020-10-14 19:07:39,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:39,301 INFO L93 Difference]: Finished difference Result 3458 states and 4718 transitions. [2020-10-14 19:07:39,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:07:39,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-14 19:07:39,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:39,316 INFO L225 Difference]: With dead ends: 3458 [2020-10-14 19:07:39,316 INFO L226 Difference]: Without dead ends: 1653 [2020-10-14 19:07:39,322 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 [2020-10-14 19:07:39,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2020-10-14 19:07:39,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1645. [2020-10-14 19:07:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1645 states. [2020-10-14 19:07:39,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2175 transitions. [2020-10-14 19:07:39,402 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2175 transitions. Word has length 132 [2020-10-14 19:07:39,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:39,402 INFO L479 AbstractCegarLoop]: Abstraction has 1645 states and 2175 transitions. [2020-10-14 19:07:39,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:07:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2175 transitions. [2020-10-14 19:07:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-14 19:07:39,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:39,412 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:07:39,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:07:39,412 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:39,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:39,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1727000103, now seen corresponding path program 1 times [2020-10-14 19:07:39,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:39,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363225766] [2020-10-14 19:07:39,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:39,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:39,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:39,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:40,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:40,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 19:07:40,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:07:40,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1362 [2020-10-14 19:07:40,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:40,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 19:07:40,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:07:40,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 19:07:40,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:07:40,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:40,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:40,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:40,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:40,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:40,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:07:40,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:40,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:07:40,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:07:40,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:40,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:40,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:40,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:40,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 19:07:40,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:07:40,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:07:40,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:40,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:40,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:40,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:07:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 19:07:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:40,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 19:07:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:40,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:41,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:41,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-14 19:07:41,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:41,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 19:07:41,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:41,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:41,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:41,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:07:41,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 19:07:41,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 19:07:41,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363225766] [2020-10-14 19:07:41,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:41,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:07:41,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684530497] [2020-10-14 19:07:41,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:07:41,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:41,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:07:41,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:07:41,065 INFO L87 Difference]: Start difference. First operand 1645 states and 2175 transitions. Second operand 7 states. [2020-10-14 19:07:42,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:42,297 INFO L93 Difference]: Finished difference Result 3194 states and 4376 transitions. [2020-10-14 19:07:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:07:42,302 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 151 [2020-10-14 19:07:42,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:42,313 INFO L225 Difference]: With dead ends: 3194 [2020-10-14 19:07:42,313 INFO L226 Difference]: Without dead ends: 1555 [2020-10-14 19:07:42,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:07:42,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2020-10-14 19:07:42,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1367. [2020-10-14 19:07:42,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-10-14 19:07:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1766 transitions. [2020-10-14 19:07:42,385 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1766 transitions. Word has length 151 [2020-10-14 19:07:42,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:42,385 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 1766 transitions. [2020-10-14 19:07:42,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:07:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1766 transitions. [2020-10-14 19:07:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-14 19:07:42,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:42,391 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:07:42,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 19:07:42,392 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:42,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:42,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1172870818, now seen corresponding path program 1 times [2020-10-14 19:07:42,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:42,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41908007] [2020-10-14 19:07:42,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:42,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:42,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:42,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:43,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:45,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:45,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-14 19:07:45,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:07:45,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2637 [2020-10-14 19:07:45,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:45,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 19:07:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 19:07:45,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:45,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:45,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:45,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:45,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:45,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:45,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:07:45,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:45,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:45,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:45,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:45,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:45,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:45,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:45,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:45,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:45,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 19:07:45,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:45,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 19:07:45,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:45,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:45,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:45,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:45,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 19:07:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:45,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:45,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:45,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 19:07:45,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:45,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 19:07:45,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:45,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 19:07:45,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 19:07:45,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41908007] [2020-10-14 19:07:45,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:45,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:07:45,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063960426] [2020-10-14 19:07:45,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:07:45,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:45,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:07:45,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:07:45,321 INFO L87 Difference]: Start difference. First operand 1367 states and 1766 transitions. Second operand 5 states. [2020-10-14 19:07:46,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:46,433 INFO L93 Difference]: Finished difference Result 3162 states and 4206 transitions. [2020-10-14 19:07:46,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:07:46,435 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-10-14 19:07:46,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:46,444 INFO L225 Difference]: With dead ends: 3162 [2020-10-14 19:07:46,444 INFO L226 Difference]: Without dead ends: 1801 [2020-10-14 19:07:46,449 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 [2020-10-14 19:07:46,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2020-10-14 19:07:46,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1653. [2020-10-14 19:07:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1653 states. [2020-10-14 19:07:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2083 transitions. [2020-10-14 19:07:46,505 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2083 transitions. Word has length 158 [2020-10-14 19:07:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:46,505 INFO L479 AbstractCegarLoop]: Abstraction has 1653 states and 2083 transitions. [2020-10-14 19:07:46,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:07:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2083 transitions. [2020-10-14 19:07:46,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-14 19:07:46,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:46,513 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:46,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 19:07:46,514 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:46,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:46,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1740864397, now seen corresponding path program 1 times [2020-10-14 19:07:46,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:46,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428391565] [2020-10-14 19:07:46,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:46,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:46,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:47,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:47,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-14 19:07:47,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:07:47,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 549 [2020-10-14 19:07:47,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:47,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:47,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:07:47,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 19:07:47,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 19:07:47,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:47,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:47,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:47,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:47,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:47,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:47,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 19:07:47,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:47,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:47,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:47,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:47,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:47,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:47,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 19:07:47,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:47,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:07:47,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:47,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:47,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:47,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:47,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 19:07:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:47,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:47,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:47,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 19:07:47,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:47,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 19:07:47,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:47,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:47,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:47,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:47,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 19:07:47,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:47,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 19:07:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:47,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:47,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:47,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:47,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-14 19:07:47,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:07:47,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 19:07:47,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:47,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:47,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:47,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:07:47,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 19:07:47,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-14 19:07:47,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428391565] [2020-10-14 19:07:47,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:47,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:07:47,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379354007] [2020-10-14 19:07:47,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:07:47,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:47,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:07:47,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:07:47,562 INFO L87 Difference]: Start difference. First operand 1653 states and 2083 transitions. Second operand 6 states. [2020-10-14 19:07:49,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:49,066 INFO L93 Difference]: Finished difference Result 4247 states and 5560 transitions. [2020-10-14 19:07:49,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 19:07:49,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 178 [2020-10-14 19:07:49,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:49,084 INFO L225 Difference]: With dead ends: 4247 [2020-10-14 19:07:49,084 INFO L226 Difference]: Without dead ends: 2454 [2020-10-14 19:07:49,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:07:49,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2454 states. [2020-10-14 19:07:49,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2454 to 2261. [2020-10-14 19:07:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2261 states. [2020-10-14 19:07:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2816 transitions. [2020-10-14 19:07:49,168 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2816 transitions. Word has length 178 [2020-10-14 19:07:49,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:49,168 INFO L479 AbstractCegarLoop]: Abstraction has 2261 states and 2816 transitions. [2020-10-14 19:07:49,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:07:49,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2816 transitions. [2020-10-14 19:07:49,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-14 19:07:49,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:49,176 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:49,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 19:07:49,176 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:49,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:49,177 INFO L82 PathProgramCache]: Analyzing trace with hash 332013051, now seen corresponding path program 1 times [2020-10-14 19:07:49,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:49,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292231458] [2020-10-14 19:07:49,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:49,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:49,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:49,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:50,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:50,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:52,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:52,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-14 19:07:52,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 19:07:52,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3238 [2020-10-14 19:07:52,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:52,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:52,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:07:52,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 19:07:52,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 19:07:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:07:52,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:52,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:52,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:52,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:52,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:52,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:07:52,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:52,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:52,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:52,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:52,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:52,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:52,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:52,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 19:07:52,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:52,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:07:52,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:52,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:52,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:52,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:52,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:52,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:52,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 19:07:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:52,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:52,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:52,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 19:07:52,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 19:07:52,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:52,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:52,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 19:07:52,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:52,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 19:07:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:52,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:52,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:52,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:52,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-14 19:07:52,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:07:52,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-14 19:07:52,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:52,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:07:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 19:07:52,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 68 proven. 45 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 19:07:52,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292231458] [2020-10-14 19:07:52,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:52,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:07:52,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159975600] [2020-10-14 19:07:52,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:07:52,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:52,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:07:52,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:07:52,880 INFO L87 Difference]: Start difference. First operand 2261 states and 2816 transitions. Second operand 7 states. [2020-10-14 19:07:54,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:54,972 INFO L93 Difference]: Finished difference Result 6629 states and 8643 transitions. [2020-10-14 19:07:54,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:07:54,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-10-14 19:07:54,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:54,996 INFO L225 Difference]: With dead ends: 6629 [2020-10-14 19:07:54,996 INFO L226 Difference]: Without dead ends: 4220 [2020-10-14 19:07:55,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:07:55,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4220 states. [2020-10-14 19:07:55,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4220 to 3907. [2020-10-14 19:07:55,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3907 states. [2020-10-14 19:07:55,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 4816 transitions. [2020-10-14 19:07:55,137 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 4816 transitions. Word has length 182 [2020-10-14 19:07:55,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:55,137 INFO L479 AbstractCegarLoop]: Abstraction has 3907 states and 4816 transitions. [2020-10-14 19:07:55,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:07:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 4816 transitions. [2020-10-14 19:07:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 19:07:55,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:55,158 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 19:07:55,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 19:07:55,159 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:55,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:55,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1783136588, now seen corresponding path program 1 times [2020-10-14 19:07:55,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:55,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033970609] [2020-10-14 19:07:55,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:55,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:55,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:55,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:55,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:00,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:00,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-14 19:08:00,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:08:00,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 19:08:00,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:00,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 19:08:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:08:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 19:08:00,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:08:00,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:08:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:08:00,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:00,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:00,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:08:00,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:08:00,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:08:00,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:00,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:08:00,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:08:00,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:08:00,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:08:00,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:08:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:08:00,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:00,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:00,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:00,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 19:08:00,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:08:00,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 19:08:00,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:00,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:08:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:08:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 19:08:00,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:08:00,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 19:08:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:08:00,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:00,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:00,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 19:08:00,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:08:00,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 19:08:00,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:00,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:00,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:08:00,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:08:00,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 19:08:00,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:08:00,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 19:08:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:08:00,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:00,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:00,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-14 19:08:00,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:08:00,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 19:08:00,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:00,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:08:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-14 19:08:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:08:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:08:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 130 proven. 56 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 19:08:00,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033970609] [2020-10-14 19:08:00,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:08:00,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:08:00,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293868410] [2020-10-14 19:08:00,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:08:00,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:08:00,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:08:00,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:08:00,508 INFO L87 Difference]: Start difference. First operand 3907 states and 4816 transitions. Second operand 7 states. [2020-10-14 19:08:01,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:08:01,836 INFO L93 Difference]: Finished difference Result 6899 states and 8370 transitions. [2020-10-14 19:08:01,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 19:08:01,840 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-10-14 19:08:01,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:08:01,853 INFO L225 Difference]: With dead ends: 6899 [2020-10-14 19:08:01,853 INFO L226 Difference]: Without dead ends: 3002 [2020-10-14 19:08:01,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:08:01,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3002 states. [2020-10-14 19:08:01,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3002 to 2108. [2020-10-14 19:08:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2108 states. [2020-10-14 19:08:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 2417 transitions. [2020-10-14 19:08:01,927 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 2417 transitions. Word has length 234 [2020-10-14 19:08:01,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:08:01,927 INFO L479 AbstractCegarLoop]: Abstraction has 2108 states and 2417 transitions. [2020-10-14 19:08:01,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:08:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2417 transitions. [2020-10-14 19:08:01,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-14 19:08:01,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:08:01,938 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:08:01,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 19:08:01,939 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:08:01,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:08:01,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1739170554, now seen corresponding path program 1 times [2020-10-14 19:08:01,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:08:01,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704121042] [2020-10-14 19:08:01,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:08:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:08:01,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:02,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:02,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:05,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:05,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-14 19:08:05,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:08:05,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3451 [2020-10-14 19:08:05,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:05,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:05,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:08:05,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-14 19:08:05,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 19:08:05,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:08:05,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:08:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:08:05,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:05,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:05,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:08:05,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:08:05,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 19:08:05,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:05,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:05,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:08:05,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:08:05,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:08:05,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:08:05,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:08:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:08:05,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:05,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:05,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 19:08:05,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:08:05,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 19:08:05,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:05,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:05,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:08:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:08:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:08:05,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:08:05,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 19:08:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:08:05,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:05,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:05,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 19:08:05,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:08:05,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:08:05,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:05,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:05,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:08:05,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:08:05,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:08:05,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:08:05,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 19:08:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:08:05,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:05,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:05,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 19:08:05,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:08:05,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:08:05,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:05,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:05,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:08:05,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:08:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:08:05,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:08:05,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 19:08:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:08:05,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:05,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:05,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 19:08:05,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:08:05,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 19:08:05,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:05,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:05,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:08:05,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:08:05,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 19:08:05,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:08:05,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 19:08:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:08:05,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:08:05,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:08:05,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-14 19:08:05,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:08:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 19:08:05,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:08:05,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:08:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:08:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:08:05,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 19:08:05,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:08:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 284 proven. 2 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-10-14 19:08:05,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704121042] [2020-10-14 19:08:05,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:08:05,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:08:05,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674452871] [2020-10-14 19:08:05,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:08:05,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:08:05,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:08:05,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:08:05,751 INFO L87 Difference]: Start difference. First operand 2108 states and 2417 transitions. Second operand 7 states. [2020-10-14 19:08:07,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:08:07,045 INFO L93 Difference]: Finished difference Result 4042 states and 4623 transitions. [2020-10-14 19:08:07,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 19:08:07,046 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 280 [2020-10-14 19:08:07,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:08:07,046 INFO L225 Difference]: With dead ends: 4042 [2020-10-14 19:08:07,047 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 19:08:07,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:08:07,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 19:08:07,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 19:08:07,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 19:08:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 19:08:07,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 280 [2020-10-14 19:08:07,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:08:07,055 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 19:08:07,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:08:07,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 19:08:07,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 19:08:07,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 19:08:07,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 19:08:07,939 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 138 [2020-10-14 19:08:08,379 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 138 [2020-10-14 19:08:09,336 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 60 [2020-10-14 19:08:09,782 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 51 [2020-10-14 19:08:10,175 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 51 [2020-10-14 19:08:10,181 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:08:10,182 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-14 19:08:10,182 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:08:10,182 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,182 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,182 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,182 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,183 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,183 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-14 19:08:10,183 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-14 19:08:10,183 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-14 19:08:10,183 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-14 19:08:10,183 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-14 19:08:10,183 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-14 19:08:10,183 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-14 19:08:10,183 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-14 19:08:10,184 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-14 19:08:10,184 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-14 19:08:10,184 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-14 19:08:10,184 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-14 19:08:10,184 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-14 19:08:10,184 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,184 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,184 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,184 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,184 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-14 19:08:10,185 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,185 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-14 19:08:10,185 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-14 19:08:10,185 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-14 19:08:10,185 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-14 19:08:10,185 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-14 19:08:10,185 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-14 19:08:10,185 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-14 19:08:10,185 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-14 19:08:10,186 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-14 19:08:10,186 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-14 19:08:10,186 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-14 19:08:10,186 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-14 19:08:10,186 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-14 19:08:10,186 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-14 19:08:10,186 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-14 19:08:10,186 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,186 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,187 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,187 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,187 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,187 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 442) no Hoare annotation was computed. [2020-10-14 19:08:10,187 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-14 19:08:10,187 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-14 19:08:10,187 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-14 19:08:10,187 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-14 19:08:10,187 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-14 19:08:10,188 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-14 19:08:10,188 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-14 19:08:10,188 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-14 19:08:10,188 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-14 19:08:10,188 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-14 19:08:10,188 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-14 19:08:10,188 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,188 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,188 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,189 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,189 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,189 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-14 19:08:10,189 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-14 19:08:10,189 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-14 19:08:10,189 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-14 19:08:10,189 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-14 19:08:10,189 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-14 19:08:10,189 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-14 19:08:10,189 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-14 19:08:10,190 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-14 19:08:10,190 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-14 19:08:10,190 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-14 19:08:10,190 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-14 19:08:10,190 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-14 19:08:10,190 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,190 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,190 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,190 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,190 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,191 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-14 19:08:10,191 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-14 19:08:10,191 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-14 19:08:10,191 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-14 19:08:10,191 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-14 19:08:10,191 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-14 19:08:10,191 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-14 19:08:10,191 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-14 19:08:10,192 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-14 19:08:10,192 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-14 19:08:10,192 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-14 19:08:10,192 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-14 19:08:10,192 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-14 19:08:10,192 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-14 19:08:10,192 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-14 19:08:10,192 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-14 19:08:10,192 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,192 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,192 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,193 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,193 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-14 19:08:10,193 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,193 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-14 19:08:10,193 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,193 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-14 19:08:10,193 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-14 19:08:10,193 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-14 19:08:10,193 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,193 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,193 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-14 19:08:10,194 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-14 19:08:10,194 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-14 19:08:10,194 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-14 19:08:10,194 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-14 19:08:10,194 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-14 19:08:10,194 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-14 19:08:10,194 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-14 19:08:10,194 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-14 19:08:10,194 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-14 19:08:10,194 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-14 19:08:10,194 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-14 19:08:10,195 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-14 19:08:10,196 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-14 19:08:10,197 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-14 19:08:10,197 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-14 19:08:10,197 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-14 19:08:10,197 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-14 19:08:10,197 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-14 19:08:10,197 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-14 19:08:10,197 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-14 19:08:10,197 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-14 19:08:10,197 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,197 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,197 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,198 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= 8 |old(~a17~0)|)) (.cse11 (= ~a28~0 |old(~a28~0)|)) (.cse12 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a25~0 |old(~a25~0)|)) (.cse14 (= ~a19~0 |old(~a19~0)|))) (let ((.cse9 (not (<= |old(~a28~0)| 7))) (.cse4 (not (<= |old(~a19~0)| 1))) (.cse0 (and .cse11 (= ~a17~0 |old(~a17~0)|) .cse12 .cse13 .cse14)) (.cse6 (not (<= 1 |old(~a19~0)|))) (.cse1 (not (<= |old(~a17~0)| 7))) (.cse5 (and .cse11 .cse12 .cse13 (= ~a17~0 8) .cse14)) (.cse10 (not (= 0 |old(~a19~0)|))) (.cse7 (not .cse2)) (.cse8 (= |old(~a11~0)| 1)) (.cse3 (not (<= 9 |old(~a28~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or (= |old(~a19~0)| 1) .cse0 .cse2 .cse3) (or .cse9 .cse5 .cse10 .cse7) (or .cse4 .cse9 .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse2) (or .cse5 .cse10 .cse7 (not (<= |old(~a25~0)| 0))) (or .cse4 .cse5 .cse6 .cse7 .cse3) (or .cse9 .cse4 .cse0 .cse6 .cse1) (or .cse5 .cse10 .cse7 .cse8 .cse3)))) [2020-10-14 19:08:10,198 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,198 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,198 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,198 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-14 19:08:10,198 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-14 19:08:10,198 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-14 19:08:10,199 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-14 19:08:10,199 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-14 19:08:10,199 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-14 19:08:10,199 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-14 19:08:10,199 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-14 19:08:10,199 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-14 19:08:10,199 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-14 19:08:10,199 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-14 19:08:10,199 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-14 19:08:10,199 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-14 19:08:10,200 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,200 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,200 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,200 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,200 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,200 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,200 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-14 19:08:10,200 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-14 19:08:10,200 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-14 19:08:10,201 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-14 19:08:10,201 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-14 19:08:10,201 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-14 19:08:10,201 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-14 19:08:10,201 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-14 19:08:10,201 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-14 19:08:10,201 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-14 19:08:10,201 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-14 19:08:10,201 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-14 19:08:10,201 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-14 19:08:10,202 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-14 19:08:10,202 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-14 19:08:10,202 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-14 19:08:10,202 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,202 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,202 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,202 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,202 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:08:10,202 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-14 19:08:10,202 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-14 19:08:10,203 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-14 19:08:10,203 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-14 19:08:10,203 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-14 19:08:10,203 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-14 19:08:10,203 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-14 19:08:10,203 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-14 19:08:10,203 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-14 19:08:10,203 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-14 19:08:10,203 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-14 19:08:10,203 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-14 19:08:10,203 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-14 19:08:10,204 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-14 19:08:10,204 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-14 19:08:10,204 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-14 19:08:10,204 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-14 19:08:10,204 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-14 19:08:10,204 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-14 19:08:10,204 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:08:10,204 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (<= ~a19~0 1) (not (= ~a11~0 1)) (<= ~a28~0 7) (<= ~a25~0 0) (<= 1 ~a19~0)) [2020-10-14 19:08:10,204 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 19:08:10,205 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:08:10,205 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (<= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (= |old(~a11~0)| 1)) [2020-10-14 19:08:10,205 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a17~0 8))) (let ((.cse0 (<= 9 ~a28~0)) (.cse5 (= ~a19~0 0)) (.cse3 (not .cse7)) (.cse6 (not (= ~a11~0 1))) (.cse1 (<= ~a19~0 1)) (.cse8 (<= ~a28~0 7)) (.cse2 (<= 1 ~a19~0)) (.cse4 (<= ~a17~0 7))) (or (not (<= |old(~a19~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) .cse0 .cse1 .cse2) (not (<= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse3 (not (= ~a19~0 1))) (and .cse0 .cse4) (and .cse5 .cse0 .cse6) (and .cse5 .cse7 (<= ~a25~0 0)) (and .cse5 .cse7 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse3 .cse6) (= |old(~a11~0)| 1) (and .cse7 .cse1 .cse8 .cse2) (and .cse6 .cse1 .cse2) (and .cse1 .cse8 .cse2 .cse4)))) [2020-10-14 19:08:10,205 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-14 19:08:10,205 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-14 19:08:10,205 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= ~a17~0 8))) (let ((.cse0 (<= 9 ~a28~0)) (.cse5 (= ~a19~0 0)) (.cse3 (not .cse7)) (.cse6 (not (= ~a11~0 1))) (.cse1 (<= ~a19~0 1)) (.cse8 (<= ~a28~0 7)) (.cse2 (<= 1 ~a19~0)) (.cse4 (<= ~a17~0 7))) (or (not (<= |old(~a19~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) .cse0 .cse1 .cse2) (not (<= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse3 (not (= ~a19~0 1))) (and .cse0 .cse4) (and .cse5 .cse0 .cse6) (and .cse5 .cse7 (<= ~a25~0 0)) (and .cse5 .cse7 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse3 .cse6) (= |old(~a11~0)| 1) (and .cse7 .cse1 .cse8 .cse2) (and .cse6 .cse1 .cse2) (and .cse1 .cse8 .cse2 .cse4)))) [2020-10-14 19:08:10,206 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-14 19:08:10,206 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-14 19:08:10,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:08:10 BoogieIcfgContainer [2020-10-14 19:08:10,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:08:10,231 INFO L168 Benchmark]: Toolchain (without parser) took 51397.49 ms. Allocated memory was 148.4 MB in the beginning and 889.7 MB in the end (delta: 741.3 MB). Free memory was 101.9 MB in the beginning and 304.3 MB in the end (delta: -202.4 MB). Peak memory consumption was 538.9 MB. Max. memory is 7.1 GB. [2020-10-14 19:08:10,231 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 19:08:10,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.18 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 101.5 MB in the beginning and 172.7 MB in the end (delta: -71.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2020-10-14 19:08:10,233 INFO L168 Benchmark]: Boogie Preprocessor took 140.25 ms. Allocated memory is still 206.0 MB. Free memory was 172.7 MB in the beginning and 167.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-14 19:08:10,234 INFO L168 Benchmark]: RCFGBuilder took 1325.89 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 167.9 MB in the beginning and 176.6 MB in the end (delta: -8.7 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2020-10-14 19:08:10,234 INFO L168 Benchmark]: TraceAbstraction took 49170.54 ms. Allocated memory was 235.4 MB in the beginning and 889.7 MB in the end (delta: 654.3 MB). Free memory was 176.6 MB in the beginning and 304.3 MB in the end (delta: -127.7 MB). Peak memory consumption was 526.6 MB. Max. memory is 7.1 GB. [2020-10-14 19:08:10,238 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.18 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 101.5 MB in the beginning and 172.7 MB in the end (delta: -71.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.25 ms. Allocated memory is still 206.0 MB. Free memory was 172.7 MB in the beginning and 167.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1325.89 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 167.9 MB in the beginning and 176.6 MB in the end (delta: -8.7 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 49170.54 ms. Allocated memory was 235.4 MB in the beginning and 889.7 MB in the end (delta: 654.3 MB). Free memory was 176.6 MB in the beginning and 304.3 MB in the end (delta: -127.7 MB). Peak memory consumption was 526.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 442]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((!(\old(a19) <= 1) || (((a17 == \old(a17) && 9 <= a28) && a19 <= 1) && 1 <= a19)) || !(1 <= \old(a19))) || !(8 == \old(a17))) || !(\old(a25) <= 0)) || ((9 <= a28 && !(a17 == 8)) && !(a19 == 1))) || (9 <= a28 && a17 <= 7)) || ((a19 == 0 && 9 <= a28) && !(a11 == 1))) || ((a19 == 0 && a17 == 8) && a25 <= 0)) || ((a19 == 0 && a17 == 8) && a28 <= 7)) || !(\old(a28) <= 7)) || (!(a17 == 8) && !(a11 == 1))) || \old(a11) == 1) || (((a17 == 8 && a19 <= 1) && a28 <= 7) && 1 <= a19)) || ((!(a11 == 1) && a19 <= 1) && 1 <= a19)) || (((a19 <= 1 && a28 <= 7) && 1 <= a19) && a17 <= 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45.9s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 4067 SDslu, 485 SDs, 0 SdLazy, 9297 SolverSat, 1271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 99 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3907occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 2070 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 153 PreInvPairs, 197 NumberOfFragments, 679 HoareAnnotationTreeSize, 153 FomulaSimplifications, 277374 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2975 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 27.7s InterpolantComputationTime, 1738 NumberOfCodeBlocks, 1738 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1727 ConstructedInterpolants, 0 QuantifiedInterpolants, 1141933 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 913/1030 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...