/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=DEEPEST --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 language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 18:13:22,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 18:13:22,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 18:13:22,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 18:13:22,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 18:13:22,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 18:13:22,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 18:13:22,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 18:13:22,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 18:13:22,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 18:13:22,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 18:13:22,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 18:13:22,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 18:13:22,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 18:13:22,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 18:13:22,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 18:13:22,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 18:13:22,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 18:13:22,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 18:13:22,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 18:13:22,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 18:13:22,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 18:13:22,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 18:13:22,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 18:13:22,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 18:13:22,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 18:13:22,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 18:13:22,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 18:13:22,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 18:13:22,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 18:13:22,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 18:13:22,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 18:13:22,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 18:13:22,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 18:13:22,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 18:13:22,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 18:13:22,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 18:13:22,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 18:13:22,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 18:13:22,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 18:13:22,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 18:13:22,672 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 [2020-10-27 18:13:22,700 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 18:13:22,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 18:13:22,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 18:13:22,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 18:13:22,702 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 18:13:22,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 18:13:22,702 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 18:13:22,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 18:13:22,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 18:13:22,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 18:13:22,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 18:13:22,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 18:13:22,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 18:13:22,704 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 18:13:22,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 18:13:22,704 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 18:13:22,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 18:13:22,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 18:13:22,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 18:13:22,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 18:13:22,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 18:13:22,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:13:22,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 18:13:22,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 18:13:22,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 18:13:22,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 18:13:22,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 18:13:22,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 18:13:22,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 18:13:22,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 18:13:23,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 18:13:23,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 18:13:23,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 18:13:23,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 18:13:23,111 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 18:13:23,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label20.c [2020-10-27 18:13:23,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd962214d/e1ca38aab5b34d19b7799d59ec796dc1/FLAG6560bbc4e [2020-10-27 18:13:23,917 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 18:13:23,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label20.c [2020-10-27 18:13:23,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd962214d/e1ca38aab5b34d19b7799d59ec796dc1/FLAG6560bbc4e [2020-10-27 18:13:24,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd962214d/e1ca38aab5b34d19b7799d59ec796dc1 [2020-10-27 18:13:24,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 18:13:24,163 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 18:13:24,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 18:13:24,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 18:13:24,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 18:13:24,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:13:24" (1/1) ... [2020-10-27 18:13:24,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c74a02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:24, skipping insertion in model container [2020-10-27 18:13:24,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:13:24" (1/1) ... [2020-10-27 18:13:24,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 18:13:24,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 18:13:24,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:13:24,852 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 18:13:25,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:13:25,054 INFO L208 MainTranslator]: Completed translation [2020-10-27 18:13:25,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:25 WrapperNode [2020-10-27 18:13:25,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 18:13:25,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 18:13:25,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 18:13:25,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 18:13:25,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:25" (1/1) ... [2020-10-27 18:13:25,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:25" (1/1) ... [2020-10-27 18:13:25,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:25" (1/1) ... [2020-10-27 18:13:25,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:25" (1/1) ... [2020-10-27 18:13:25,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:25" (1/1) ... [2020-10-27 18:13:25,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:25" (1/1) ... [2020-10-27 18:13:25,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:25" (1/1) ... [2020-10-27 18:13:25,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 18:13:25,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 18:13:25,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 18:13:25,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 18:13:25,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:25" (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 [2020-10-27 18:13:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 18:13:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 18:13:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 18:13:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 18:13:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 18:13:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 18:13:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 18:13:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 18:13:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 18:13:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 18:13:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 18:13:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 18:13:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 18:13:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 18:13:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 18:13:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 18:13:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 18:13:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 18:13:25,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 18:13:26,878 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 18:13:26,878 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 18:13:26,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:13:26 BoogieIcfgContainer [2020-10-27 18:13:26,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 18:13:26,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 18:13:26,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 18:13:26,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 18:13:26,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:13:24" (1/3) ... [2020-10-27 18:13:26,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263ecb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:13:26, skipping insertion in model container [2020-10-27 18:13:26,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:25" (2/3) ... [2020-10-27 18:13:26,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263ecb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:13:26, skipping insertion in model container [2020-10-27 18:13:26,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:13:26" (3/3) ... [2020-10-27 18:13:26,891 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label20.c [2020-10-27 18:13:26,904 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 18:13:26,910 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 18:13:26,925 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 18:13:26,955 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 18:13:26,955 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 18:13:26,956 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 18:13:26,956 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 18:13:26,956 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 18:13:26,956 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 18:13:26,956 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 18:13:26,957 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 18:13:26,985 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-27 18:13:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-27 18:13:26,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:26,996 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] [2020-10-27 18:13:26,996 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:27,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:27,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1481272762, now seen corresponding path program 1 times [2020-10-27 18:13:27,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:27,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901031856] [2020-10-27 18:13:27,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:27,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:27,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:27,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:13:27,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:27,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-27 18:13:27,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:13:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 18:13:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 18:13:27,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:13:28,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:28,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:28,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:28,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:28,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:28,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 18:13:28,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 18:13:28,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:13:28,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901031856] [2020-10-27 18:13:28,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 18:13:28,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 18:13:28,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932254009] [2020-10-27 18:13:28,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 18:13:28,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:28,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 18:13:28,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 18:13:28,146 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 4 states. [2020-10-27 18:13:30,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:30,368 INFO L93 Difference]: Finished difference Result 703 states and 1246 transitions. [2020-10-27 18:13:30,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:30,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2020-10-27 18:13:30,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:30,388 INFO L225 Difference]: With dead ends: 703 [2020-10-27 18:13:30,388 INFO L226 Difference]: Without dead ends: 381 [2020-10-27 18:13:30,397 INFO L677 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 [2020-10-27 18:13:30,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-27 18:13:30,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 377. [2020-10-27 18:13:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-27 18:13:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 553 transitions. [2020-10-27 18:13:30,534 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 553 transitions. Word has length 67 [2020-10-27 18:13:30,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:30,536 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 553 transitions. [2020-10-27 18:13:30,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 18:13:30,537 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 553 transitions. [2020-10-27 18:13:30,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 18:13:30,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:30,544 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:13:30,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 18:13:30,545 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:30,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:30,546 INFO L82 PathProgramCache]: Analyzing trace with hash -77381511, now seen corresponding path program 1 times [2020-10-27 18:13:30,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:30,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037118154] [2020-10-27 18:13:30,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:30,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:30,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:31,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:32,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:32,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 18:13:32,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:13:32,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1746 [2020-10-27 18:13:32,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:32,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:32,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 18:13:32,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 18:13:32,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:13:32,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:32,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:32,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:32,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:32,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:32,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 18:13:32,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:32,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:13:32,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:32,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:32,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:32,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:13:32,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:32,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 18:13:32,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 18:13:32,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:13:32,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037118154] [2020-10-27 18:13:32,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:32,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:13:32,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323693131] [2020-10-27 18:13:32,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:13:32,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:32,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:13:32,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:13:32,741 INFO L87 Difference]: Start difference. First operand 377 states and 553 transitions. Second operand 5 states. [2020-10-27 18:13:34,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:34,981 INFO L93 Difference]: Finished difference Result 1120 states and 1664 transitions. [2020-10-27 18:13:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:34,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-27 18:13:34,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:34,995 INFO L225 Difference]: With dead ends: 1120 [2020-10-27 18:13:34,995 INFO L226 Difference]: Without dead ends: 749 [2020-10-27 18:13:34,997 INFO L677 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 [2020-10-27 18:13:35,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-27 18:13:35,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 745. [2020-10-27 18:13:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-27 18:13:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1000 transitions. [2020-10-27 18:13:35,036 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1000 transitions. Word has length 136 [2020-10-27 18:13:35,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:35,037 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 1000 transitions. [2020-10-27 18:13:35,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:13:35,037 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1000 transitions. [2020-10-27 18:13:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-27 18:13:35,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:35,044 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:13:35,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 18:13:35,045 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:35,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:35,045 INFO L82 PathProgramCache]: Analyzing trace with hash 67293378, now seen corresponding path program 1 times [2020-10-27 18:13:35,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:35,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1844395548] [2020-10-27 18:13:35,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:35,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:35,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:35,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:35,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:39,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:40,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:40,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 18:13:40,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:13:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-27 18:13:40,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-27 18:13:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 18:13:40,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:40,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:40,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:40,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:40,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:40,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:40,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 18:13:40,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:40,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:40,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:40,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:40,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:40,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:40,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:40,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:40,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:13:40,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:40,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 18:13:40,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:40,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:40,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:40,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:40,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:40,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:13:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:40,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:40,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:40,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 18:13:40,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:40,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 18:13:40,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:40,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:40,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:40,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 18:13:40,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-27 18:13:40,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1844395548] [2020-10-27 18:13:40,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:40,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:13:40,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177396743] [2020-10-27 18:13:40,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:13:40,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:40,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:13:40,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:13:40,641 INFO L87 Difference]: Start difference. First operand 745 states and 1000 transitions. Second operand 5 states. [2020-10-27 18:13:41,629 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-27 18:13:42,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:42,244 INFO L93 Difference]: Finished difference Result 1500 states and 2021 transitions. [2020-10-27 18:13:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:42,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 219 [2020-10-27 18:13:42,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:42,259 INFO L225 Difference]: With dead ends: 1500 [2020-10-27 18:13:42,259 INFO L226 Difference]: Without dead ends: 749 [2020-10-27 18:13:42,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:13:42,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-27 18:13:42,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 745. [2020-10-27 18:13:42,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-27 18:13:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 998 transitions. [2020-10-27 18:13:42,301 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 998 transitions. Word has length 219 [2020-10-27 18:13:42,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:42,302 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 998 transitions. [2020-10-27 18:13:42,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:13:42,303 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 998 transitions. [2020-10-27 18:13:42,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-27 18:13:42,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:42,308 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 18:13:42,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 18:13:42,311 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:42,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:42,311 INFO L82 PathProgramCache]: Analyzing trace with hash -258602942, now seen corresponding path program 1 times [2020-10-27 18:13:42,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:42,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934509519] [2020-10-27 18:13:42,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:42,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:42,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:42,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:43,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:45,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:47,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:47,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-27 18:13:47,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:13:47,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 18:13:47,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-27 18:13:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 18:13:47,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:47,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:47,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:47,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:47,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:47,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:47,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:13:47,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:47,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:47,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:47,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:13:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:47,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:47,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:47,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:13:47,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 18:13:47,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:47,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:47,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:13:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:47,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:47,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:47,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 18:13:47,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:47,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 18:13:47,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:47,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:47,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:47,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 18:13:47,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-27 18:13:47,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934509519] [2020-10-27 18:13:47,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:47,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 18:13:47,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44300218] [2020-10-27 18:13:47,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 18:13:47,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:47,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 18:13:47,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:13:47,800 INFO L87 Difference]: Start difference. First operand 745 states and 998 transitions. Second operand 6 states. [2020-10-27 18:13:51,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:51,407 INFO L93 Difference]: Finished difference Result 1856 states and 2560 transitions. [2020-10-27 18:13:51,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:13:51,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2020-10-27 18:13:51,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:51,418 INFO L225 Difference]: With dead ends: 1856 [2020-10-27 18:13:51,419 INFO L226 Difference]: Without dead ends: 1117 [2020-10-27 18:13:51,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 18:13:51,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-27 18:13:51,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1113. [2020-10-27 18:13:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1113 states. [2020-10-27 18:13:51,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1541 transitions. [2020-10-27 18:13:51,476 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1541 transitions. Word has length 230 [2020-10-27 18:13:51,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:51,477 INFO L481 AbstractCegarLoop]: Abstraction has 1113 states and 1541 transitions. [2020-10-27 18:13:51,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 18:13:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1541 transitions. [2020-10-27 18:13:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-27 18:13:51,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:51,483 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:13:51,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 18:13:51,483 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:51,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:51,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1382370294, now seen corresponding path program 1 times [2020-10-27 18:13:51,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:51,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [229826348] [2020-10-27 18:13:51,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:51,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:51,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:51,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:52,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:53,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:56,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:56,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-27 18:13:56,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:13:56,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 18:13:56,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:56,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:56,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-10-27 18:13:56,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 18:13:56,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:56,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:56,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:56,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:56,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:56,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:13:56,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:56,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:56,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:56,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:56,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:13:56,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 18:13:56,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:56,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:56,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:13:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:56,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:56,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:56,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 18:13:56,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:56,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 18:13:56,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 18:13:56,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-27 18:13:56,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [229826348] [2020-10-27 18:13:56,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:56,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:13:56,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110397008] [2020-10-27 18:13:56,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:13:56,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:56,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:13:56,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:13:56,945 INFO L87 Difference]: Start difference. First operand 1113 states and 1541 transitions. Second operand 5 states. [2020-10-27 18:13:59,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:59,080 INFO L93 Difference]: Finished difference Result 2776 states and 3930 transitions. [2020-10-27 18:13:59,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:59,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 255 [2020-10-27 18:13:59,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:59,089 INFO L225 Difference]: With dead ends: 2776 [2020-10-27 18:13:59,090 INFO L226 Difference]: Without dead ends: 1117 [2020-10-27 18:13:59,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:13:59,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-27 18:13:59,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1113. [2020-10-27 18:13:59,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1113 states. [2020-10-27 18:13:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1516 transitions. [2020-10-27 18:13:59,139 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1516 transitions. Word has length 255 [2020-10-27 18:13:59,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:59,140 INFO L481 AbstractCegarLoop]: Abstraction has 1113 states and 1516 transitions. [2020-10-27 18:13:59,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:13:59,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1516 transitions. [2020-10-27 18:13:59,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-27 18:13:59,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:59,145 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 18:13:59,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 18:13:59,146 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:59,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:59,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1806127978, now seen corresponding path program 1 times [2020-10-27 18:13:59,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:59,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446441760] [2020-10-27 18:13:59,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:59,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:59,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:59,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:00,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:01,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:04,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:04,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-27 18:14:04,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:14:04,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4951 [2020-10-27 18:14:04,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:14:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-10-27 18:14:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 18:14:04,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:14:04,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:14:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:04,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:04,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:04,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:14:04,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:04,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 18:14:04,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:04,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:04,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:04,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:14:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:04,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:04,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:04,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:14:04,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:04,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 18:14:04,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:04,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:04,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:04,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:14:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:04,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:04,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:04,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 18:14:04,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:04,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 18:14:04,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:04,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:14:04,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:04,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 18:14:04,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-27 18:14:04,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446441760] [2020-10-27 18:14:04,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:14:04,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:14:04,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956109261] [2020-10-27 18:14:04,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:14:04,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:14:04,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:14:04,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:14:04,579 INFO L87 Difference]: Start difference. First operand 1113 states and 1516 transitions. Second operand 5 states. [2020-10-27 18:14:06,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:14:06,887 INFO L93 Difference]: Finished difference Result 2776 states and 3870 transitions. [2020-10-27 18:14:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:14:06,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 261 [2020-10-27 18:14:06,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:14:06,907 INFO L225 Difference]: With dead ends: 2776 [2020-10-27 18:14:06,907 INFO L226 Difference]: Without dead ends: 1669 [2020-10-27 18:14:06,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:14:06,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2020-10-27 18:14:06,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1665. [2020-10-27 18:14:06,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1665 states. [2020-10-27 18:14:06,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2217 transitions. [2020-10-27 18:14:06,966 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2217 transitions. Word has length 261 [2020-10-27 18:14:06,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:14:06,967 INFO L481 AbstractCegarLoop]: Abstraction has 1665 states and 2217 transitions. [2020-10-27 18:14:06,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:14:06,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2217 transitions. [2020-10-27 18:14:06,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-10-27 18:14:06,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:06,977 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:14:06,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 18:14:06,978 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:06,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:06,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1212237349, now seen corresponding path program 1 times [2020-10-27 18:14:06,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:06,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124807211] [2020-10-27 18:14:06,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:14:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:07,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:07,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:07,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:07,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:08,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:11,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:12,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:12,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 399 [2020-10-27 18:14:12,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:14:12,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 18:14:12,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:14:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-27 18:14:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 18:14:12,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:12,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:14:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:12,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:12,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:12,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:14:12,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:12,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:14:12,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:12,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:12,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:12,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:14:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:12,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:12,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:12,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:14:12,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:12,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 18:14:12,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:12,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:12,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:12,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 18:14:12,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:14:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:12,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:12,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:12,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 18:14:12,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:12,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 18:14:12,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:14:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 18:14:12,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:12,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 18:14:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:12,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:12,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:12,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:12,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 18:14:12,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:14:12,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-27 18:14:12,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:12,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:14:12,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:14:12,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-27 18:14:12,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 339 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-27 18:14:13,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124807211] [2020-10-27 18:14:13,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:14:13,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:14:13,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963747549] [2020-10-27 18:14:13,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:14:13,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:14:13,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:14:13,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:14:13,050 INFO L87 Difference]: Start difference. First operand 1665 states and 2217 transitions. Second operand 7 states. [2020-10-27 18:14:15,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:14:15,222 INFO L93 Difference]: Finished difference Result 3459 states and 4857 transitions. [2020-10-27 18:14:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 18:14:15,224 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 383 [2020-10-27 18:14:15,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:14:15,244 INFO L225 Difference]: With dead ends: 3459 [2020-10-27 18:14:15,245 INFO L226 Difference]: Without dead ends: 1771 [2020-10-27 18:14:15,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-27 18:14:15,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2020-10-27 18:14:15,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1487. [2020-10-27 18:14:15,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1487 states. [2020-10-27 18:14:15,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 1981 transitions. [2020-10-27 18:14:15,355 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 1981 transitions. Word has length 383 [2020-10-27 18:14:15,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:14:15,355 INFO L481 AbstractCegarLoop]: Abstraction has 1487 states and 1981 transitions. [2020-10-27 18:14:15,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:14:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1981 transitions. [2020-10-27 18:14:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-10-27 18:14:15,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:15,366 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 18:14:15,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 18:14:15,367 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:15,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:15,367 INFO L82 PathProgramCache]: Analyzing trace with hash 24790405, now seen corresponding path program 1 times [2020-10-27 18:14:15,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:15,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893352036] [2020-10-27 18:14:15,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:14:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:15,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:15,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:15,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:15,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:16,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:17,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:20,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:20,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:20,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 404 [2020-10-27 18:14:20,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 18:14:20,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 18:14:20,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:20,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:14:20,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 335 [2020-10-27 18:14:20,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 18:14:20,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:20,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:14:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:20,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:20,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:20,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:14:20,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:20,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 18:14:20,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:20,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:20,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:14:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:20,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:20,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:20,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:14:20,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:20,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 18:14:20,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:20,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:20,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:20,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:20,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:20,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:14:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:20,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:20,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:20,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-27 18:14:20,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:20,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 18:14:20,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:20,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:20,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:20,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:20,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 18:14:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:20,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:20,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:20,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 18:14:20,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:20,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 18:14:20,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:14:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-27 18:14:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2020-10-27 18:14:20,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893352036] [2020-10-27 18:14:20,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:14:20,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 18:14:20,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957578588] [2020-10-27 18:14:20,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 18:14:20,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:14:20,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 18:14:20,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:14:20,985 INFO L87 Difference]: Start difference. First operand 1487 states and 1981 transitions. Second operand 6 states. [2020-10-27 18:14:24,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:14:24,075 INFO L93 Difference]: Finished difference Result 3337 states and 4504 transitions. [2020-10-27 18:14:24,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:14:24,076 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 388 [2020-10-27 18:14:24,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:14:24,077 INFO L225 Difference]: With dead ends: 3337 [2020-10-27 18:14:24,077 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 18:14:24,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 18:14:24,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 18:14:24,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 18:14:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 18:14:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 18:14:24,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2020-10-27 18:14:24,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:14:24,086 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 18:14:24,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 18:14:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 18:14:24,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 18:14:24,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 18:14:24,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 18:14:24,286 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 37 [2020-10-27 18:14:24,590 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 37 [2020-10-27 18:14:25,313 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 43 [2020-10-27 18:14:25,515 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 18:14:25,515 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 18:14:25,516 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 18:14:25,516 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 18:14:25,516 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:14:25,516 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 18:14:25,516 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:14:25,516 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-27 18:14:25,517 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 18:14:25,517 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 18:14:25,517 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 18:14:25,517 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-27 18:14:25,517 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-27 18:14:25,517 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-27 18:14:25,517 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,517 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,517 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,517 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-27 18:14:25,518 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 18:14:25,518 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 18:14:25,518 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 18:14:25,518 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-27 18:14:25,519 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-27 18:14:25,520 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-27 18:14:25,520 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-27 18:14:25,520 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,520 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,520 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,520 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-27 18:14:25,521 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-27 18:14:25,521 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 18:14:25,522 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 18:14:25,522 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 18:14:25,522 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-27 18:14:25,522 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-27 18:14:25,522 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-27 18:14:25,522 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,522 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,522 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,524 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-27 18:14:25,524 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 18:14:25,524 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 18:14:25,524 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 18:14:25,524 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-27 18:14:25,524 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-27 18:14:25,525 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-27 18:14:25,525 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-27 18:14:25,525 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-27 18:14:25,525 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,525 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,525 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,525 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-27 18:14:25,525 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 18:14:25,525 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 18:14:25,525 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 18:14:25,525 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-27 18:14:25,526 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-27 18:14:25,526 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-27 18:14:25,526 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,527 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,527 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,527 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-27 18:14:25,527 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 18:14:25,527 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 18:14:25,527 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 18:14:25,527 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-27 18:14:25,528 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,528 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-27 18:14:25,528 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-27 18:14:25,528 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-27 18:14:25,528 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-27 18:14:25,528 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,528 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,528 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,528 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-27 18:14:25,529 INFO L270 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (and (not (<= 8 |old(~a21~0)|)) (not (= 9 |old(~a15~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 6 |old(~a21~0)|)) (not (= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 5))) [2020-10-27 18:14:25,529 INFO L274 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-10-27 18:14:25,530 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 18:14:25,530 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 18:14:25,530 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-27 18:14:25,530 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-27 18:14:25,530 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-27 18:14:25,531 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-27 18:14:25,531 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,531 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,531 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,531 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 18:14:25,531 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 18:14:25,531 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 18:14:25,531 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-27 18:14:25,531 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-27 18:14:25,532 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-27 18:14:25,532 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-27 18:14:25,532 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-27 18:14:25,532 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,532 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,532 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,532 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-27 18:14:25,533 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a12~0 |old(~a12~0)|)) (.cse4 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4))) (and (or (not (<= 8 |old(~a21~0)|)) .cse0) (or (and (= 7 ~a15~0) .cse1 .cse2 .cse3) (not (= 7 |old(~a15~0)|))) (or .cse0 (not (<= |old(~a15~0)| 5))) (or (and .cse1 (= ~a21~0 6) .cse3 .cse4) (not (= 6 |old(~a21~0)|))) (or .cse0 (not (= 9 |old(~a15~0)|))) (or (not (= 8 |old(~a15~0)|)) (and .cse1 .cse2 (= ~a15~0 8) .cse3))))) [2020-10-27 18:14:25,533 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-27 18:14:25,533 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 18:14:25,533 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 18:14:25,534 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 18:14:25,534 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-27 18:14:25,534 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-27 18:14:25,534 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-27 18:14:25,534 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,534 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,535 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,535 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 18:14:25,535 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 18:14:25,535 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 18:14:25,535 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-27 18:14:25,535 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-27 18:14:25,535 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-27 18:14:25,535 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-27 18:14:25,535 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-27 18:14:25,535 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,536 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,536 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,536 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-27 18:14:25,536 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-27 18:14:25,536 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 18:14:25,536 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 18:14:25,536 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 18:14:25,536 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-27 18:14:25,536 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-27 18:14:25,536 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-27 18:14:25,536 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,537 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,537 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,537 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-27 18:14:25,537 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 18:14:25,537 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 18:14:25,537 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 18:14:25,537 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-27 18:14:25,537 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-27 18:14:25,537 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-27 18:14:25,538 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-27 18:14:25,538 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,538 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,538 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,538 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-27 18:14:25,538 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 18:14:25,538 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 18:14:25,538 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 18:14:25,538 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-27 18:14:25,538 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-27 18:14:25,539 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-27 18:14:25,539 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-27 18:14:25,539 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,539 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,539 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-27 18:14:25,539 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 18:14:25,539 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 18:14:25,539 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-27 18:14:25,539 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-27 18:14:25,539 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-27 18:14:25,540 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-27 18:14:25,540 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-27 18:14:25,540 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,540 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,540 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-27 18:14:25,540 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 18:14:25,540 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 18:14:25,540 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-27 18:14:25,540 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-27 18:14:25,540 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-27 18:14:25,540 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,541 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-27 18:14:25,542 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 18:14:25,543 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 18:14:25,544 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 18:14:25,544 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-27 18:14:25,544 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-27 18:14:25,544 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-27 18:14:25,544 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-27 18:14:25,544 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,544 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,544 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,544 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-27 18:14:25,544 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 18:14:25,544 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 18:14:25,545 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 18:14:25,545 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-27 18:14:25,545 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-27 18:14:25,545 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-27 18:14:25,545 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-27 18:14:25,545 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,545 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,545 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,545 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-27 18:14:25,545 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-27 18:14:25,546 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 18:14:25,546 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 18:14:25,546 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 18:14:25,546 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-27 18:14:25,546 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-27 18:14:25,546 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-27 18:14:25,546 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,546 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,546 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,546 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-27 18:14:25,546 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 18:14:25,547 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 18:14:25,547 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 18:14:25,547 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-27 18:14:25,547 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-27 18:14:25,547 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-27 18:14:25,547 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-27 18:14:25,548 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-27 18:14:25,548 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,549 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,549 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:14:25,549 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:14:25,549 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a15~0 8) [2020-10-27 18:14:25,550 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 18:14:25,550 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:14:25,550 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-10-27 18:14:25,550 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (or (= 7 ~a15~0) (<= ~a15~0 5) (<= 8 ~a21~0) (= ~a15~0 8) (= ~a21~0 6) (not (= 8 |old(~a15~0)|)) (= ~a15~0 9)) [2020-10-27 18:14:25,550 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-27 18:14:25,550 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-27 18:14:25,552 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-27 18:14:25,552 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (or (= 7 ~a15~0) (<= ~a15~0 5) (<= 8 ~a21~0) (= ~a15~0 8) (= ~a21~0 6) (not (= 8 |old(~a15~0)|)) (= ~a15~0 9)) [2020-10-27 18:14:25,552 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-27 18:14:25,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:14:25 BoogieIcfgContainer [2020-10-27 18:14:25,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 18:14:25,582 INFO L168 Benchmark]: Toolchain (without parser) took 61423.88 ms. Allocated memory was 158.3 MB in the beginning and 940.6 MB in the end (delta: 782.2 MB). Free memory was 131.9 MB in the beginning and 636.3 MB in the end (delta: -504.4 MB). Peak memory consumption was 278.0 MB. Max. memory is 8.0 GB. [2020-10-27 18:14:25,583 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 158.3 MB. Free memory is still 130.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 18:14:25,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.55 ms. Allocated memory is still 158.3 MB. Free memory was 131.3 MB in the beginning and 134.3 MB in the end (delta: -3.0 MB). Peak memory consumption was 32.4 MB. Max. memory is 8.0 GB. [2020-10-27 18:14:25,585 INFO L168 Benchmark]: Boogie Preprocessor took 136.45 ms. Allocated memory is still 158.3 MB. Free memory was 134.3 MB in the beginning and 129.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 18:14:25,586 INFO L168 Benchmark]: RCFGBuilder took 1687.79 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 129.1 MB in the beginning and 122.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. [2020-10-27 18:14:25,590 INFO L168 Benchmark]: TraceAbstraction took 58692.04 ms. Allocated memory was 190.8 MB in the beginning and 940.6 MB in the end (delta: 749.7 MB). Free memory was 121.7 MB in the beginning and 636.3 MB in the end (delta: -514.6 MB). Peak memory consumption was 235.1 MB. Max. memory is 8.0 GB. [2020-10-27 18:14:25,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 158.3 MB. Free memory is still 130.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 889.55 ms. Allocated memory is still 158.3 MB. Free memory was 131.3 MB in the beginning and 134.3 MB in the end (delta: -3.0 MB). Peak memory consumption was 32.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 136.45 ms. Allocated memory is still 158.3 MB. Free memory was 134.3 MB in the beginning and 129.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1687.79 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 129.1 MB in the beginning and 122.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 58692.04 ms. Allocated memory was 190.8 MB in the beginning and 940.6 MB in the end (delta: 749.7 MB). Free memory was 121.7 MB in the beginning and 636.3 MB in the end (delta: -514.6 MB). Peak memory consumption was 235.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 882]: Loop Invariant Derived loop invariant: (((((7 == a15 || a15 <= 5) || 8 <= a21) || a15 == 8) || a21 == 6) || !(8 == \old(a15))) || a15 == 9 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 57.1s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 19.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 221 SDtfs, 3053 SDslu, 193 SDs, 0 SdLazy, 8954 SolverSat, 1269 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 66 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1665occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 308 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 128 PreInvPairs, 162 NumberOfFragments, 264 HoareAnnotationTreeSize, 128 FomulaSimplifications, 86865 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1485 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 35.7s InterpolantComputationTime, 1939 NumberOfCodeBlocks, 1939 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1931 ConstructedInterpolants, 0 QuantifiedInterpolants, 1156815 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 1616/1630 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...