/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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/Problem01_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:46:21,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:46:21,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:46:21,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:46:21,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:46:21,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:46:21,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:46:21,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:46:21,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:46:21,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:46:21,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:46:21,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:46:21,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:46:21,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:46:21,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:46:21,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:46:21,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:46:21,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:46:21,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:46:21,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:46:21,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:46:21,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:46:21,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:46:21,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:46:21,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:46:21,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:46:21,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:46:21,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:46:21,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:46:21,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:46:21,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:46:21,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:46:21,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:46:21,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:46:21,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:46:21,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:46:21,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:46:21,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:46:21,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:46:21,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:46:21,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:46:21,887 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 [2020-10-29 04:46:21,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:46:21,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:46:21,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:46:21,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:46:21,940 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:46:21,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:46:21,940 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:46:21,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:46:21,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:46:21,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:46:21,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:46:21,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:46:21,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:46:21,941 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:46:21,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:46:21,942 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:46:21,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:46:21,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:46:21,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:46:21,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:46:21,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:46:21,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:46:21,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:46:21,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:46:21,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:46:21,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:46:21,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:46:21,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:46:21,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:46:21,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:46:22,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:46:22,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:46:22,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:46:22,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:46:22,416 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:46:22,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2020-10-29 04:46:22,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3261dee4/c53fcb6dd7264f728b575f7b91b9a0a8/FLAG17803005e [2020-10-29 04:46:23,345 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:46:23,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2020-10-29 04:46:23,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3261dee4/c53fcb6dd7264f728b575f7b91b9a0a8/FLAG17803005e [2020-10-29 04:46:23,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3261dee4/c53fcb6dd7264f728b575f7b91b9a0a8 [2020-10-29 04:46:23,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:46:23,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:46:23,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:46:23,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:46:23,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:46:23,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:46:23" (1/1) ... [2020-10-29 04:46:23,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36988f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:23, skipping insertion in model container [2020-10-29 04:46:23,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:46:23" (1/1) ... [2020-10-29 04:46:23,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:46:23,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:46:24,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:46:24,191 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:46:24,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:46:24,355 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:46:24,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:24 WrapperNode [2020-10-29 04:46:24,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:46:24,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:46:24,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:46:24,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:46:24,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:24" (1/1) ... [2020-10-29 04:46:24,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:24" (1/1) ... [2020-10-29 04:46:24,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:24" (1/1) ... [2020-10-29 04:46:24,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:24" (1/1) ... [2020-10-29 04:46:24,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:24" (1/1) ... [2020-10-29 04:46:24,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:24" (1/1) ... [2020-10-29 04:46:24,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:24" (1/1) ... [2020-10-29 04:46:24,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:46:24,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:46:24,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:46:24,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:46:24,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:24" (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 [2020-10-29 04:46:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:46:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:46:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:46:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:46:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:46:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:46:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:46:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:46:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:46:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:46:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:46:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:46:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:46:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:46:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:46:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:46:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:46:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:46:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:46:25,816 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:46:25,816 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:46:25,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:46:25 BoogieIcfgContainer [2020-10-29 04:46:25,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:46:25,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:46:25,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:46:25,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:46:25,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:46:23" (1/3) ... [2020-10-29 04:46:25,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7029795f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:46:25, skipping insertion in model container [2020-10-29 04:46:25,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:24" (2/3) ... [2020-10-29 04:46:25,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7029795f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:46:25, skipping insertion in model container [2020-10-29 04:46:25,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:46:25" (3/3) ... [2020-10-29 04:46:25,829 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label25.c [2020-10-29 04:46:25,842 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:46:25,848 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:46:25,863 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:46:25,896 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:46:25,896 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:46:25,896 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:46:25,896 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:46:25,896 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:46:25,897 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:46:25,897 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:46:25,897 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:46:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-29 04:46:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-29 04:46:25,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:25,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:25,939 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:25,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:25,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1641458487, now seen corresponding path program 1 times [2020-10-29 04:46:25,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:25,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863347278] [2020-10-29 04:46:25,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:26,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:28,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:28,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-29 04:46:28,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:46:28,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2143 [2020-10-29 04:46:28,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:28,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:28,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:46:28,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:46:28,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 04:46:28,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:46:28,907 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:46:28,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:28,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:28,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:28,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:28,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:28,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 04:46:28,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:28,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:46:28,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:29,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:29,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863347278] [2020-10-29 04:46:29,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:46:29,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:46:29,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434219653] [2020-10-29 04:46:29,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:46:29,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:29,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:46:29,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:46:29,098 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-29 04:46:31,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:31,079 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-29 04:46:31,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:31,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2020-10-29 04:46:31,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:31,097 INFO L225 Difference]: With dead ends: 562 [2020-10-29 04:46:31,098 INFO L226 Difference]: Without dead ends: 287 [2020-10-29 04:46:31,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:31,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-29 04:46:31,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-29 04:46:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-29 04:46:31,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 385 transitions. [2020-10-29 04:46:31,188 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 385 transitions. Word has length 126 [2020-10-29 04:46:31,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:31,189 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 385 transitions. [2020-10-29 04:46:31,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:46:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 385 transitions. [2020-10-29 04:46:31,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-29 04:46:31,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:31,195 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:31,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:46:31,196 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:31,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:31,197 INFO L82 PathProgramCache]: Analyzing trace with hash 57501546, now seen corresponding path program 1 times [2020-10-29 04:46:31,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:31,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010399681] [2020-10-29 04:46:31,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:31,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:31,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:33,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:35,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:35,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 04:46:35,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:46:35,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4138 [2020-10-29 04:46:35,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:35,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 04:46:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 04:46:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:35,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:35,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:35,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:35,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:35,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:35,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 04:46:35,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:35,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:35,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-29 04:46:35,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:35,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:35,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:35,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:46:35,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:35,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 04:46:35,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:35,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 04:46:35,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:35,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2010399681] [2020-10-29 04:46:35,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:35,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:46:35,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368147450] [2020-10-29 04:46:35,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:46:35,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:35,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:46:35,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:35,717 INFO L87 Difference]: Start difference. First operand 281 states and 385 transitions. Second operand 5 states. [2020-10-29 04:46:37,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:37,247 INFO L93 Difference]: Finished difference Result 836 states and 1168 transitions. [2020-10-29 04:46:37,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:37,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-29 04:46:37,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:37,259 INFO L225 Difference]: With dead ends: 836 [2020-10-29 04:46:37,259 INFO L226 Difference]: Without dead ends: 561 [2020-10-29 04:46:37,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:37,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-29 04:46:37,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 557. [2020-10-29 04:46:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-29 04:46:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 733 transitions. [2020-10-29 04:46:37,333 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 733 transitions. Word has length 135 [2020-10-29 04:46:37,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:37,334 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 733 transitions. [2020-10-29 04:46:37,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:46:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 733 transitions. [2020-10-29 04:46:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-29 04:46:37,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:37,339 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:37,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:46:37,339 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:37,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:37,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1638043642, now seen corresponding path program 1 times [2020-10-29 04:46:37,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:37,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654189854] [2020-10-29 04:46:37,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:37,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:37,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:37,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:37,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-29 04:46:37,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:46:37,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-10-29 04:46:37,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:37,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:37,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:37,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 04:46:37,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 04:46:37,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:37,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:37,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:37,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:37,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:37,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:46:37,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:37,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:37,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:37,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:37,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:37,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:46:37,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:37,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 04:46:37,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:37,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:46:38,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:38,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654189854] [2020-10-29 04:46:38,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:38,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:46:38,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51489273] [2020-10-29 04:46:38,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:46:38,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:38,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:46:38,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:38,055 INFO L87 Difference]: Start difference. First operand 557 states and 733 transitions. Second operand 6 states. [2020-10-29 04:46:40,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:40,515 INFO L93 Difference]: Finished difference Result 1386 states and 1881 transitions. [2020-10-29 04:46:40,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:46:40,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2020-10-29 04:46:40,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:40,527 INFO L225 Difference]: With dead ends: 1386 [2020-10-29 04:46:40,527 INFO L226 Difference]: Without dead ends: 835 [2020-10-29 04:46:40,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:46:40,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-10-29 04:46:40,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 831. [2020-10-29 04:46:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-10-29 04:46:40,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1097 transitions. [2020-10-29 04:46:40,603 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1097 transitions. Word has length 137 [2020-10-29 04:46:40,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:40,606 INFO L481 AbstractCegarLoop]: Abstraction has 831 states and 1097 transitions. [2020-10-29 04:46:40,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:46:40,606 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1097 transitions. [2020-10-29 04:46:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-29 04:46:40,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:40,619 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:40,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:46:40,622 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:40,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:40,622 INFO L82 PathProgramCache]: Analyzing trace with hash 306098139, now seen corresponding path program 1 times [2020-10-29 04:46:40,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:40,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534548860] [2020-10-29 04:46:40,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:40,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:40,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:43,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:45,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:45,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 04:46:45,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:46:45,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4535 [2020-10-29 04:46:45,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:45,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 04:46:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 04:46:45,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:45,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:45,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:45,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:45,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:45,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:45,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 04:46:45,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:45,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:45,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:45,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:45,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:45,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:45,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:45,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:45,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 04:46:45,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:45,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 04:46:45,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:45,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 04:46:45,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:45,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534548860] [2020-10-29 04:46:45,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:45,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:46:45,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149187537] [2020-10-29 04:46:45,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:46:45,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:45,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:46:45,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:45,581 INFO L87 Difference]: Start difference. First operand 831 states and 1097 transitions. Second operand 6 states. [2020-10-29 04:46:46,146 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 04:46:48,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:48,037 INFO L93 Difference]: Finished difference Result 3171 states and 4325 transitions. [2020-10-29 04:46:48,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:46:48,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-10-29 04:46:48,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:48,054 INFO L225 Difference]: With dead ends: 3171 [2020-10-29 04:46:48,054 INFO L226 Difference]: Without dead ends: 2346 [2020-10-29 04:46:48,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:46:48,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2020-10-29 04:46:48,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 2338. [2020-10-29 04:46:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2338 states. [2020-10-29 04:46:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2338 states and 3000 transitions. [2020-10-29 04:46:48,152 INFO L78 Accepts]: Start accepts. Automaton has 2338 states and 3000 transitions. Word has length 156 [2020-10-29 04:46:48,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:48,153 INFO L481 AbstractCegarLoop]: Abstraction has 2338 states and 3000 transitions. [2020-10-29 04:46:48,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:46:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 3000 transitions. [2020-10-29 04:46:48,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-29 04:46:48,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:48,161 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:48,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:46:48,162 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:48,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:48,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1615200188, now seen corresponding path program 1 times [2020-10-29 04:46:48,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:48,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1755066086] [2020-10-29 04:46:48,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:48,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:48,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:48,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:51,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:52,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:53,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:53,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-29 04:46:53,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:46:53,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 04:46:53,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:53,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-29 04:46:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 04:46:53,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:53,461 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:46:53,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:53,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:53,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:53,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:53,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:53,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:46:53,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:53,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:53,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:53,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:53,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:53,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:46:53,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:53,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:46:53,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:53,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:53,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 04:46:53,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:46:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:53,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:53,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:53,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 04:46:53,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:53,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 04:46:53,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:53,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 04:46:53,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-29 04:46:53,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1755066086] [2020-10-29 04:46:53,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:53,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:46:53,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921164886] [2020-10-29 04:46:53,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:46:53,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:53,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:46:53,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:53,720 INFO L87 Difference]: Start difference. First operand 2338 states and 3000 transitions. Second operand 6 states. [2020-10-29 04:46:54,008 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:46:54,262 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 04:46:56,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:56,336 INFO L93 Difference]: Finished difference Result 5635 states and 7272 transitions. [2020-10-29 04:46:56,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:46:56,337 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2020-10-29 04:46:56,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:56,365 INFO L225 Difference]: With dead ends: 5635 [2020-10-29 04:46:56,365 INFO L226 Difference]: Without dead ends: 3303 [2020-10-29 04:46:56,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:46:56,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2020-10-29 04:46:56,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2886. [2020-10-29 04:46:56,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2886 states. [2020-10-29 04:46:56,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3674 transitions. [2020-10-29 04:46:56,517 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3674 transitions. Word has length 165 [2020-10-29 04:46:56,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:56,518 INFO L481 AbstractCegarLoop]: Abstraction has 2886 states and 3674 transitions. [2020-10-29 04:46:56,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:46:56,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3674 transitions. [2020-10-29 04:46:56,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-29 04:46:56,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:56,529 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, 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] [2020-10-29 04:46:56,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:46:56,529 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:56,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:56,530 INFO L82 PathProgramCache]: Analyzing trace with hash -623007001, now seen corresponding path program 1 times [2020-10-29 04:46:56,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:56,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369341111] [2020-10-29 04:46:56,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:56,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:56,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:57,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:58,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:00,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:00,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-29 04:47:00,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:47:00,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3494 [2020-10-29 04:47:00,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:00,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:00,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:47:00,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-29 04:47:00,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 04:47:00,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:47:00,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:47:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:00,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:00,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:00,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:47:00,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:00,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:47:00,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:00,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:00,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:47:00,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:47:00,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:47:00,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:47:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:00,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:00,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:00,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 04:47:00,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:00,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 04:47:00,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:00,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:00,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:47:00,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:00,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 04:47:00,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:47:00,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369341111] [2020-10-29 04:47:00,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:47:00,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:47:00,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98179441] [2020-10-29 04:47:00,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:47:00,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:47:00,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:47:00,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:47:00,434 INFO L87 Difference]: Start difference. First operand 2886 states and 3674 transitions. Second operand 6 states. [2020-10-29 04:47:02,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:47:02,733 INFO L93 Difference]: Finished difference Result 9194 states and 11851 transitions. [2020-10-29 04:47:02,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:47:02,734 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 198 [2020-10-29 04:47:02,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:47:02,735 INFO L225 Difference]: With dead ends: 9194 [2020-10-29 04:47:02,735 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:47:02,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:47:02,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:47:02,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:47:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:47:02,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:47:02,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2020-10-29 04:47:02,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:47:02,756 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:47:02,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:47:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:47:02,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:47:02,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:47:02,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:47:03,649 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 117 [2020-10-29 04:47:03,832 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 117 [2020-10-29 04:47:04,015 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 26 [2020-10-29 04:47:05,170 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 214 DAG size of output: 50 [2020-10-29 04:47:05,315 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2020-10-29 04:47:05,539 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2020-10-29 04:47:05,832 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 30 [2020-10-29 04:47:05,836 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:47:05,836 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:47:05,837 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:47:05,837 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:47:05,837 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:47:05,837 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)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-29 04:47:05,837 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:47:05,838 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,838 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,838 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,838 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,838 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,838 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,838 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-29 04:47:05,839 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-29 04:47:05,839 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-29 04:47:05,839 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-29 04:47:05,839 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-29 04:47:05,839 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-29 04:47:05,839 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-29 04:47:05,839 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-29 04:47:05,839 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-29 04:47:05,840 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-29 04:47:05,840 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-29 04:47:05,840 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-29 04:47:05,840 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,840 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,840 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,840 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,840 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,840 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,841 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-29 04:47:05,841 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-29 04:47:05,841 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-29 04:47:05,841 INFO L270 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (= |old(~a7~0)| 1))) (and (not (<= |old(~a7~0)| 0)) (or (not (<= |old(~a20~0)| 0)) .cse0) (or (not (< 1 |old(~a17~0)|)) (not (<= |old(~a20~0)| 1)) .cse0) (not (<= |old(~a16~0)| 4)) (not (= 5 |old(~a16~0)|)) (or (not (<= |old(~a17~0)| 0)) (not (<= 1 |old(~a20~0)|))))) [2020-10-29 04:47:05,841 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-29 04:47:05,841 INFO L274 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2020-10-29 04:47:05,842 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-29 04:47:05,842 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-29 04:47:05,842 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-29 04:47:05,842 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-29 04:47:05,842 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-29 04:47:05,842 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,842 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,842 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,842 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,842 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,843 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,843 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-29 04:47:05,843 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-29 04:47:05,843 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-29 04:47:05,843 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-29 04:47:05,843 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-29 04:47:05,843 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-29 04:47:05,843 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-29 04:47:05,844 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-29 04:47:05,844 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-29 04:47:05,844 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-29 04:47:05,844 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-29 04:47:05,844 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-29 04:47:05,844 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-29 04:47:05,844 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-29 04:47:05,844 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-29 04:47:05,844 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,845 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,845 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,845 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,845 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,845 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-29 04:47:05,845 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-29 04:47:05,845 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-29 04:47:05,845 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-29 04:47:05,845 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-29 04:47:05,846 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-29 04:47:05,846 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-29 04:47:05,846 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-29 04:47:05,846 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-29 04:47:05,846 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,846 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,846 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,846 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,846 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,847 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-29 04:47:05,847 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-29 04:47:05,847 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-29 04:47:05,847 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-29 04:47:05,847 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-29 04:47:05,847 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-29 04:47:05,847 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-29 04:47:05,847 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-29 04:47:05,847 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-29 04:47:05,847 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-29 04:47:05,848 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-29 04:47:05,848 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-29 04:47:05,848 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-29 04:47:05,848 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,848 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,848 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,848 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,848 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,848 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-29 04:47:05,848 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-29 04:47:05,849 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-29 04:47:05,849 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,849 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,849 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-29 04:47:05,849 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-29 04:47:05,849 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-29 04:47:05,849 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-29 04:47:05,849 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-29 04:47:05,849 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-29 04:47:05,850 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,850 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,850 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,850 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,850 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-29 04:47:05,850 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,850 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-29 04:47:05,850 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-29 04:47:05,851 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-29 04:47:05,851 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-29 04:47:05,851 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-29 04:47:05,851 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-29 04:47:05,851 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-29 04:47:05,851 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-29 04:47:05,851 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-29 04:47:05,851 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-29 04:47:05,851 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-29 04:47:05,852 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-29 04:47:05,852 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-29 04:47:05,852 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,852 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,852 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,852 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,852 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,852 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-29 04:47:05,852 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-29 04:47:05,853 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-29 04:47:05,853 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-29 04:47:05,853 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-29 04:47:05,853 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-29 04:47:05,853 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-29 04:47:05,853 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-29 04:47:05,853 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,853 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,854 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|))) (let ((.cse1 (= |old(~a7~0)| 1)) (.cse0 (and .cse2 .cse3 .cse4 .cse5 (= ~a16~0 |old(~a16~0)|) .cse6))) (and (or .cse0 (not (<= |old(~a20~0)| 0)) .cse1) (or (and .cse2 .cse3 .cse4 .cse5 .cse6 (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|))) (or (not (< 1 |old(~a17~0)|)) .cse0 (not (<= |old(~a20~0)| 1)) .cse1) (or (not (<= |old(~a7~0)| 0)) .cse0) (or .cse0 (not (<= |old(~a17~0)| 0)) (not (<= 1 |old(~a20~0)|))) (or (not (<= |old(~a16~0)| 4)) .cse0)))) [2020-10-29 04:47:05,854 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,854 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,854 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,854 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-29 04:47:05,854 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-29 04:47:05,854 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-29 04:47:05,854 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-29 04:47:05,855 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-29 04:47:05,855 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-29 04:47:05,855 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-29 04:47:05,855 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-29 04:47:05,855 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-29 04:47:05,855 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-29 04:47:05,855 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-29 04:47:05,855 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,855 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,856 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,856 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,856 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-29 04:47:05,856 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,856 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,856 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-29 04:47:05,856 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-29 04:47:05,856 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-29 04:47:05,857 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-29 04:47:05,857 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-29 04:47:05,857 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-29 04:47:05,857 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-29 04:47:05,857 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-29 04:47:05,857 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-29 04:47:05,857 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-29 04:47:05,857 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-29 04:47:05,857 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-29 04:47:05,857 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,858 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,858 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,858 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,858 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,858 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-29 04:47:05,858 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:05,858 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-29 04:47:05,858 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-29 04:47:05,858 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-29 04:47:05,859 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-29 04:47:05,859 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-29 04:47:05,859 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-29 04:47:05,859 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-29 04:47:05,859 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-29 04:47:05,859 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-29 04:47:05,859 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-29 04:47:05,859 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-29 04:47:05,859 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-29 04:47:05,859 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-29 04:47:05,859 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-29 04:47:05,860 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:47:05,860 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (= 5 ~a16~0)) [2020-10-29 04:47:05,860 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:47:05,860 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:47:05,860 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (<= |old(~a7~0)| 0)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|))) [2020-10-29 04:47:05,860 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:47:05,860 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1)))) (or (and .cse0 (<= ~a20~0 0)) (and (<= ~a20~0 1) .cse0 (< 1 ~a17~0)) (not (<= |old(~a7~0)| 0)) (<= ~a16~0 4) (<= ~a7~0 0) (= 5 ~a16~0) (not (= 5 |old(~a16~0)|)) (and (<= 1 ~a20~0) (<= ~a17~0 0)))) [2020-10-29 04:47:05,861 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-29 04:47:05,861 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-29 04:47:05,861 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1)))) (or (and .cse0 (<= ~a20~0 0)) (and (<= ~a20~0 1) .cse0 (< 1 ~a17~0)) (not (<= |old(~a7~0)| 0)) (<= ~a16~0 4) (<= ~a7~0 0) (= 5 ~a16~0) (not (= 5 |old(~a16~0)|)) (and (<= 1 ~a20~0) (<= ~a17~0 0)))) [2020-10-29 04:47:05,861 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:47:05,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:47:05 BoogieIcfgContainer [2020-10-29 04:47:05,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:47:05,886 INFO L168 Benchmark]: Toolchain (without parser) took 42301.82 ms. Allocated memory was 157.3 MB in the beginning and 778.0 MB in the end (delta: 620.8 MB). Free memory was 131.0 MB in the beginning and 525.4 MB in the end (delta: -394.4 MB). Peak memory consumption was 465.1 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:05,886 INFO L168 Benchmark]: CDTParser took 1.72 ms. Allocated memory is still 125.8 MB. Free memory is still 99.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:47:05,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.56 ms. Allocated memory is still 157.3 MB. Free memory was 130.2 MB in the beginning and 134.1 MB in the end (delta: -3.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:05,888 INFO L168 Benchmark]: Boogie Preprocessor took 122.88 ms. Allocated memory is still 157.3 MB. Free memory was 134.1 MB in the beginning and 129.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:05,889 INFO L168 Benchmark]: RCFGBuilder took 1337.84 ms. Allocated memory is still 157.3 MB. Free memory was 129.3 MB in the beginning and 120.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 50.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:05,890 INFO L168 Benchmark]: TraceAbstraction took 40062.76 ms. Allocated memory was 157.3 MB in the beginning and 778.0 MB in the end (delta: 620.8 MB). Free memory was 120.7 MB in the beginning and 525.4 MB in the end (delta: -404.7 MB). Peak memory consumption was 454.6 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:05,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72 ms. Allocated memory is still 125.8 MB. Free memory is still 99.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 760.56 ms. Allocated memory is still 157.3 MB. Free memory was 130.2 MB in the beginning and 134.1 MB in the end (delta: -3.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 122.88 ms. Allocated memory is still 157.3 MB. Free memory was 134.1 MB in the beginning and 129.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1337.84 ms. Allocated memory is still 157.3 MB. Free memory was 129.3 MB in the beginning and 120.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 50.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 40062.76 ms. Allocated memory was 157.3 MB in the beginning and 778.0 MB in the end (delta: 620.8 MB). Free memory was 120.7 MB in the beginning and 525.4 MB in the end (delta: -404.7 MB). Peak memory consumption was 454.6 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: 585]: Loop Invariant Derived loop invariant: (((((((!(a7 == 1) && a20 <= 0) || ((a20 <= 1 && !(a7 == 1)) && 1 < a17)) || !(\old(a7) <= 0)) || a16 <= 4) || a7 <= 0) || 5 == a16) || !(5 == \old(a16))) || (1 <= a20 && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.8s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 180 SDtfs, 2063 SDslu, 141 SDs, 0 SdLazy, 5141 SolverSat, 639 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2886occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 439 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 210 PreInvPairs, 306 NumberOfFragments, 414 HoareAnnotationTreeSize, 210 FomulaSimplifications, 59561 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 7111 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 21.9s InterpolantComputationTime, 917 NumberOfCodeBlocks, 917 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 911 ConstructedInterpolants, 0 QuantifiedInterpolants, 541712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 148/154 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...