/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/Problem10_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 11:59:00,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 11:59:00,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 11:59:00,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 11:59:00,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 11:59:00,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 11:59:00,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 11:59:00,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 11:59:00,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 11:59:00,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 11:59:00,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 11:59:00,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 11:59:00,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 11:59:00,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 11:59:00,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 11:59:00,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 11:59:00,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 11:59:00,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 11:59:00,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 11:59:00,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 11:59:00,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 11:59:00,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 11:59:00,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 11:59:00,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 11:59:00,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 11:59:00,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 11:59:00,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 11:59:00,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 11:59:00,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 11:59:00,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 11:59:00,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 11:59:00,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 11:59:00,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 11:59:00,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 11:59:00,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 11:59:00,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 11:59:00,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 11:59:00,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 11:59:00,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 11:59:00,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 11:59:00,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 11:59:00,857 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 [2020-10-28 11:59:00,909 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 11:59:00,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 11:59:00,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 11:59:00,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 11:59:00,912 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 11:59:00,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 11:59:00,912 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 11:59:00,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 11:59:00,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 11:59:00,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 11:59:00,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 11:59:00,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 11:59:00,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 11:59:00,913 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 11:59:00,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 11:59:00,914 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 11:59:00,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 11:59:00,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 11:59:00,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 11:59:00,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 11:59:00,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 11:59:00,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:59:00,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 11:59:00,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 11:59:00,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 11:59:00,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 11:59:00,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 11:59:00,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 11:59:00,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 11:59:00,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 11:59:01,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 11:59:01,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 11:59:01,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 11:59:01,325 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 11:59:01,326 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 11:59:01,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-10-28 11:59:01,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/543c72385/bad49a09d2d84b9998d116d6453e9c24/FLAGd4542a212 [2020-10-28 11:59:02,189 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 11:59:02,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-10-28 11:59:02,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/543c72385/bad49a09d2d84b9998d116d6453e9c24/FLAGd4542a212 [2020-10-28 11:59:02,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/543c72385/bad49a09d2d84b9998d116d6453e9c24 [2020-10-28 11:59:02,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 11:59:02,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 11:59:02,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 11:59:02,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 11:59:02,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 11:59:02,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:02" (1/1) ... [2020-10-28 11:59:02,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16dbc2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:02, skipping insertion in model container [2020-10-28 11:59:02,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:02" (1/1) ... [2020-10-28 11:59:02,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 11:59:02,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 11:59:02,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:59:02,964 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 11:59:03,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:59:03,153 INFO L208 MainTranslator]: Completed translation [2020-10-28 11:59:03,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:03 WrapperNode [2020-10-28 11:59:03,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 11:59:03,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 11:59:03,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 11:59:03,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 11:59:03,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:03" (1/1) ... [2020-10-28 11:59:03,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:03" (1/1) ... [2020-10-28 11:59:03,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:03" (1/1) ... [2020-10-28 11:59:03,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:03" (1/1) ... [2020-10-28 11:59:03,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:03" (1/1) ... [2020-10-28 11:59:03,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:03" (1/1) ... [2020-10-28 11:59:03,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:03" (1/1) ... [2020-10-28 11:59:03,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 11:59:03,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 11:59:03,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 11:59:03,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 11:59:03,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:03" (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 [2020-10-28 11:59:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 11:59:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 11:59:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 11:59:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 11:59:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 11:59:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 11:59:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 11:59:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 11:59:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 11:59:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 11:59:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 11:59:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 11:59:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 11:59:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 11:59:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 11:59:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 11:59:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 11:59:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 11:59:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 11:59:05,007 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 11:59:05,008 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 11:59:05,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:59:05 BoogieIcfgContainer [2020-10-28 11:59:05,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 11:59:05,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 11:59:05,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 11:59:05,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 11:59:05,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:59:02" (1/3) ... [2020-10-28 11:59:05,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3753a57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:59:05, skipping insertion in model container [2020-10-28 11:59:05,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:03" (2/3) ... [2020-10-28 11:59:05,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3753a57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:59:05, skipping insertion in model container [2020-10-28 11:59:05,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:59:05" (3/3) ... [2020-10-28 11:59:05,020 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label21.c [2020-10-28 11:59:05,033 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 11:59:05,039 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 11:59:05,053 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 11:59:05,084 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 11:59:05,085 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 11:59:05,085 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 11:59:05,085 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 11:59:05,085 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 11:59:05,085 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 11:59:05,085 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 11:59:05,086 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 11:59:05,112 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 11:59:05,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-28 11:59:05,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:05,121 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] [2020-10-28 11:59:05,122 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:05,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:05,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1838550252, now seen corresponding path program 1 times [2020-10-28 11:59:05,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:05,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1950228915] [2020-10-28 11:59:05,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:05,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:05,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:05,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 11:59:05,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:05,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 599 [2020-10-28 11:59:05,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:05,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:05,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:05,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:59:05,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 11:59:05,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:59:06,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:06,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:06,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:06,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:06,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:06,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 11:59:06,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:06,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:06,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:06,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:06,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:59:06,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:59:06,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1950228915] [2020-10-28 11:59:06,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:59:06,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 11:59:06,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722681230] [2020-10-28 11:59:06,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:59:06,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:06,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:59:06,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:06,255 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-28 11:59:06,420 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-28 11:59:09,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:09,294 INFO L93 Difference]: Finished difference Result 735 states and 1308 transitions. [2020-10-28 11:59:09,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 11:59:09,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-28 11:59:09,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:09,315 INFO L225 Difference]: With dead ends: 735 [2020-10-28 11:59:09,316 INFO L226 Difference]: Without dead ends: 448 [2020-10-28 11:59:09,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:09,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-28 11:59:09,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-10-28 11:59:09,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-28 11:59:09,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 649 transitions. [2020-10-28 11:59:09,420 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 649 transitions. Word has length 34 [2020-10-28 11:59:09,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:09,421 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 649 transitions. [2020-10-28 11:59:09,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:59:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 649 transitions. [2020-10-28 11:59:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-28 11:59:09,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:09,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:09,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 11:59:09,431 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:09,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:09,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1614442104, now seen corresponding path program 1 times [2020-10-28 11:59:09,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:09,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592196521] [2020-10-28 11:59:09,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:09,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:09,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:10,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:10,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-28 11:59:10,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:10,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 669 [2020-10-28 11:59:10,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:10,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:10,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:59:10,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 11:59:10,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:10,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:10,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:10,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:10,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:10,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:59:10,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:10,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:10,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:10,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:10,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:10,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:10,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:10,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:10,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:59:10,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 11:59:10,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:10,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:59:10,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:59:10,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592196521] [2020-10-28 11:59:10,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:10,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:59:10,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157064574] [2020-10-28 11:59:10,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:59:10,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:10,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:59:10,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:10,519 INFO L87 Difference]: Start difference. First operand 442 states and 649 transitions. Second operand 5 states. [2020-10-28 11:59:12,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:12,141 INFO L93 Difference]: Finished difference Result 596 states and 893 transitions. [2020-10-28 11:59:12,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:12,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-10-28 11:59:12,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:12,155 INFO L225 Difference]: With dead ends: 596 [2020-10-28 11:59:12,156 INFO L226 Difference]: Without dead ends: 593 [2020-10-28 11:59:12,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:59:12,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-28 11:59:12,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 587. [2020-10-28 11:59:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-28 11:59:12,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 876 transitions. [2020-10-28 11:59:12,242 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 876 transitions. Word has length 113 [2020-10-28 11:59:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:12,243 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 876 transitions. [2020-10-28 11:59:12,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:59:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 876 transitions. [2020-10-28 11:59:12,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-28 11:59:12,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:12,250 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:12,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 11:59:12,251 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:12,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:12,251 INFO L82 PathProgramCache]: Analyzing trace with hash -384153952, now seen corresponding path program 1 times [2020-10-28 11:59:12,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:12,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508094110] [2020-10-28 11:59:12,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:12,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:13,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:13,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:13,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 11:59:13,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:59:13,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1457 [2020-10-28 11:59:13,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:13,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:59:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:59:13,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:13,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:13,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:13,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:13,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:13,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:13,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 11:59:13,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:13,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:13,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:13,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:13,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:59:13,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:13,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:13,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:14,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:14,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:14,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:14,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-28 11:59:14,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:14,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:59:14,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:59:14,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508094110] [2020-10-28 11:59:14,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:59:14,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 11:59:14,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27306570] [2020-10-28 11:59:14,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:14,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:14,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:14,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:14,271 INFO L87 Difference]: Start difference. First operand 587 states and 876 transitions. Second operand 7 states. [2020-10-28 11:59:16,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:16,400 INFO L93 Difference]: Finished difference Result 1379 states and 2214 transitions. [2020-10-28 11:59:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:59:16,401 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2020-10-28 11:59:16,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:16,411 INFO L225 Difference]: With dead ends: 1379 [2020-10-28 11:59:16,411 INFO L226 Difference]: Without dead ends: 798 [2020-10-28 11:59:16,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:59:16,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2020-10-28 11:59:16,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 742. [2020-10-28 11:59:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-10-28 11:59:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1074 transitions. [2020-10-28 11:59:16,471 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1074 transitions. Word has length 116 [2020-10-28 11:59:16,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:16,471 INFO L481 AbstractCegarLoop]: Abstraction has 742 states and 1074 transitions. [2020-10-28 11:59:16,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1074 transitions. [2020-10-28 11:59:16,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-28 11:59:16,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:16,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:16,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 11:59:16,476 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:16,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:16,477 INFO L82 PathProgramCache]: Analyzing trace with hash -353086848, now seen corresponding path program 1 times [2020-10-28 11:59:16,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:16,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001986790] [2020-10-28 11:59:16,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:16,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:16,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:17,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:17,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:17,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 11:59:17,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:59:17,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1256 [2020-10-28 11:59:17,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:17,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:17,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:17,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:59:17,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 11:59:17,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:17,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:17,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:17,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:17,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:17,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:17,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 11:59:17,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:17,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:17,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:17,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:17,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:59:17,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:17,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:17,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:18,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:18,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 11:59:18,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:18,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-28 11:59:18,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:18,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 11:59:18,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:18,205 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:59:18,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001986790] [2020-10-28 11:59:18,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:59:18,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 11:59:18,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192241277] [2020-10-28 11:59:18,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:18,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:18,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:18,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:18,219 INFO L87 Difference]: Start difference. First operand 742 states and 1074 transitions. Second operand 7 states. [2020-10-28 11:59:20,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:20,312 INFO L93 Difference]: Finished difference Result 1951 states and 3012 transitions. [2020-10-28 11:59:20,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 11:59:20,313 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-10-28 11:59:20,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:20,324 INFO L225 Difference]: With dead ends: 1951 [2020-10-28 11:59:20,325 INFO L226 Difference]: Without dead ends: 1358 [2020-10-28 11:59:20,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:59:20,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2020-10-28 11:59:20,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1185. [2020-10-28 11:59:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2020-10-28 11:59:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1576 transitions. [2020-10-28 11:59:20,397 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1576 transitions. Word has length 132 [2020-10-28 11:59:20,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:20,399 INFO L481 AbstractCegarLoop]: Abstraction has 1185 states and 1576 transitions. [2020-10-28 11:59:20,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:20,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1576 transitions. [2020-10-28 11:59:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-28 11:59:20,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:20,406 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:20,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 11:59:20,406 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:20,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:20,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1251504196, now seen corresponding path program 1 times [2020-10-28 11:59:20,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:20,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790631927] [2020-10-28 11:59:20,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:20,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:20,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:21,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:21,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:21,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-28 11:59:21,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:59:21,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1345 [2020-10-28 11:59:21,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:21,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:21,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:59:21,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:59:21,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:21,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:21,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:21,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:21,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:21,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:21,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 11:59:21,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:21,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:21,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:21,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:21,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:21,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:21,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:21,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:22,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:22,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:59:22,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:22,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 11:59:22,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:22,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:22,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:22,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:22,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:59:22,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:22,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:59:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:22,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:22,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:22,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:22,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:22,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-28 11:59:22,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:22,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:59:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:59:22,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790631927] [2020-10-28 11:59:22,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:22,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 11:59:22,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776022672] [2020-10-28 11:59:22,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 11:59:22,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:22,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 11:59:22,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 11:59:22,485 INFO L87 Difference]: Start difference. First operand 1185 states and 1576 transitions. Second operand 8 states. [2020-10-28 11:59:25,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:25,423 INFO L93 Difference]: Finished difference Result 2974 states and 4248 transitions. [2020-10-28 11:59:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 11:59:25,423 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 186 [2020-10-28 11:59:25,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:25,437 INFO L225 Difference]: With dead ends: 2974 [2020-10-28 11:59:25,437 INFO L226 Difference]: Without dead ends: 1938 [2020-10-28 11:59:25,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-28 11:59:25,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2020-10-28 11:59:25,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1930. [2020-10-28 11:59:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1930 states. [2020-10-28 11:59:25,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 2666 transitions. [2020-10-28 11:59:25,516 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 2666 transitions. Word has length 186 [2020-10-28 11:59:25,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:25,516 INFO L481 AbstractCegarLoop]: Abstraction has 1930 states and 2666 transitions. [2020-10-28 11:59:25,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 11:59:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2666 transitions. [2020-10-28 11:59:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 11:59:25,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:25,522 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:25,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 11:59:25,522 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:25,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:25,523 INFO L82 PathProgramCache]: Analyzing trace with hash 2047556152, now seen corresponding path program 1 times [2020-10-28 11:59:25,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:25,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628230345] [2020-10-28 11:59:25,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:25,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:25,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:26,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:26,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:27,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:27,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-28 11:59:27,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:59:27,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1662 [2020-10-28 11:59:27,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:27,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:59:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-28 11:59:27,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:27,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:27,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:27,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:27,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:27,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:27,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:27,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:27,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:27,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:27,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:27,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:27,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:59:27,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:27,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 11:59:27,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:27,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:27,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:59:27,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:27,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 11:59:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:27,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:27,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:27,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 11:59:27,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-28 11:59:27,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:27,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 11:59:27,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:27,955 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:59:27,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628230345] [2020-10-28 11:59:27,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:27,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:27,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212668307] [2020-10-28 11:59:27,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:27,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:27,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:27,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:27,964 INFO L87 Difference]: Start difference. First operand 1930 states and 2666 transitions. Second operand 7 states. [2020-10-28 11:59:30,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:30,356 INFO L93 Difference]: Finished difference Result 3892 states and 5485 transitions. [2020-10-28 11:59:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 11:59:30,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-10-28 11:59:30,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:30,372 INFO L225 Difference]: With dead ends: 3892 [2020-10-28 11:59:30,373 INFO L226 Difference]: Without dead ends: 1666 [2020-10-28 11:59:30,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:59:30,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2020-10-28 11:59:30,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1640. [2020-10-28 11:59:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1640 states. [2020-10-28 11:59:30,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 2130 transitions. [2020-10-28 11:59:30,443 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 2130 transitions. Word has length 233 [2020-10-28 11:59:30,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:30,443 INFO L481 AbstractCegarLoop]: Abstraction has 1640 states and 2130 transitions. [2020-10-28 11:59:30,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2130 transitions. [2020-10-28 11:59:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-28 11:59:30,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:30,450 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:30,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 11:59:30,450 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:30,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:30,451 INFO L82 PathProgramCache]: Analyzing trace with hash -364804400, now seen corresponding path program 1 times [2020-10-28 11:59:30,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:30,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431192459] [2020-10-28 11:59:30,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:30,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:30,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:31,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:32,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:34,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:34,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 11:59:34,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:59:34,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3994 [2020-10-28 11:59:34,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:34,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:34,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:34,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:59:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 11:59:34,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:34,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:34,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:34,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:34,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:34,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:34,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:34,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:34,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:34,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:34,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:34,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:34,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:34,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:34,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:59:34,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:34,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 11:59:34,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:34,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:59:34,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:34,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:59:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:34,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:34,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:34,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:59:34,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:34,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-28 11:59:34,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:34,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:59:34,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:34,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 11:59:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:34,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:34,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:34,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:34,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:34,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 11:59:34,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:34,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:34,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:34,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:59:34,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:34,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 149 proven. 81 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-28 11:59:35,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431192459] [2020-10-28 11:59:35,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:35,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:35,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167206722] [2020-10-28 11:59:35,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:35,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:35,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:35,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:35,128 INFO L87 Difference]: Start difference. First operand 1640 states and 2130 transitions. Second operand 7 states. [2020-10-28 11:59:39,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:39,398 INFO L93 Difference]: Finished difference Result 3471 states and 4753 transitions. [2020-10-28 11:59:39,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:59:39,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 273 [2020-10-28 11:59:39,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:39,414 INFO L225 Difference]: With dead ends: 3471 [2020-10-28 11:59:39,415 INFO L226 Difference]: Without dead ends: 1980 [2020-10-28 11:59:39,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:59:39,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2020-10-28 11:59:39,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1789. [2020-10-28 11:59:39,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1789 states. [2020-10-28 11:59:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 2309 transitions. [2020-10-28 11:59:39,502 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 2309 transitions. Word has length 273 [2020-10-28 11:59:39,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:39,503 INFO L481 AbstractCegarLoop]: Abstraction has 1789 states and 2309 transitions. [2020-10-28 11:59:39,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:39,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2309 transitions. [2020-10-28 11:59:39,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-10-28 11:59:39,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:39,510 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:39,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 11:59:39,511 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:39,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:39,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1598762152, now seen corresponding path program 1 times [2020-10-28 11:59:39,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:39,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1807265293] [2020-10-28 11:59:39,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:39,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:39,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:39,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:42,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:44,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:44,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-28 11:59:44,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:59:44,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 11:59:44,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:44,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:59:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 11:59:44,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:44,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:44,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:44,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:44,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:44,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:44,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:44,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:44,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:44,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:44,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:44,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:44,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:44,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:44,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:44,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:44,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:44,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:44,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-28 11:59:44,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:44,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:44,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:44,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:59:44,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:44,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:45,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:45,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:45,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:59:45,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-28 11:59:45,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:45,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:59:45,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:45,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-28 11:59:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:45,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:45,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:45,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:45,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:45,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 11:59:45,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:45,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:45,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:45,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:59:45,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:45,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 166 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-28 11:59:45,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1807265293] [2020-10-28 11:59:45,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:45,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 11:59:45,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692726039] [2020-10-28 11:59:45,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 11:59:45,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:45,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 11:59:45,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 11:59:45,699 INFO L87 Difference]: Start difference. First operand 1789 states and 2309 transitions. Second operand 8 states. [2020-10-28 11:59:48,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:48,499 INFO L93 Difference]: Finished difference Result 3886 states and 5123 transitions. [2020-10-28 11:59:48,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 11:59:48,504 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 318 [2020-10-28 11:59:48,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:48,526 INFO L225 Difference]: With dead ends: 3886 [2020-10-28 11:59:48,526 INFO L226 Difference]: Without dead ends: 2246 [2020-10-28 11:59:48,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:59:48,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2020-10-28 11:59:48,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 2240. [2020-10-28 11:59:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2240 states. [2020-10-28 11:59:48,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2851 transitions. [2020-10-28 11:59:48,619 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 2851 transitions. Word has length 318 [2020-10-28 11:59:48,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:48,620 INFO L481 AbstractCegarLoop]: Abstraction has 2240 states and 2851 transitions. [2020-10-28 11:59:48,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 11:59:48,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2851 transitions. [2020-10-28 11:59:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-28 11:59:48,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:48,631 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:48,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 11:59:48,632 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:48,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:48,632 INFO L82 PathProgramCache]: Analyzing trace with hash -644298928, now seen corresponding path program 1 times [2020-10-28 11:59:48,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:48,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691601123] [2020-10-28 11:59:48,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:48,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:48,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:50,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:51,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:51,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-28 11:59:51,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:59:51,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2719 [2020-10-28 11:59:51,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:51,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:51,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:51,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 233 [2020-10-28 11:59:51,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:59:51,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:51,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:51,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:51,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:51,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:51,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:51,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:51,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:51,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:51,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:51,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:51,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:51,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:51,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:51,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:51,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:51,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 11:59:51,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:51,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 11:59:51,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:51,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:51,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:51,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 11:59:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:51,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:51,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:51,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:59:51,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:51,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-28 11:59:51,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:51,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:51,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-28 11:59:51,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:51,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 11:59:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:51,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:52,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:52,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:52,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-28 11:59:52,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:52,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:59:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 241 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-28 11:59:52,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691601123] [2020-10-28 11:59:52,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:52,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:52,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875281343] [2020-10-28 11:59:52,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:52,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:52,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:52,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:52,230 INFO L87 Difference]: Start difference. First operand 2240 states and 2851 transitions. Second operand 7 states. [2020-10-28 11:59:55,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:55,177 INFO L93 Difference]: Finished difference Result 5221 states and 6781 transitions. [2020-10-28 11:59:55,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:59:55,184 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 337 [2020-10-28 11:59:55,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:55,202 INFO L225 Difference]: With dead ends: 5221 [2020-10-28 11:59:55,202 INFO L226 Difference]: Without dead ends: 3130 [2020-10-28 11:59:55,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:59:55,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3130 states. [2020-10-28 11:59:55,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3130 to 2826. [2020-10-28 11:59:55,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2826 states. [2020-10-28 11:59:55,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 3498 transitions. [2020-10-28 11:59:55,329 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 3498 transitions. Word has length 337 [2020-10-28 11:59:55,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:55,330 INFO L481 AbstractCegarLoop]: Abstraction has 2826 states and 3498 transitions. [2020-10-28 11:59:55,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:55,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3498 transitions. [2020-10-28 11:59:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-10-28 11:59:55,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:55,340 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:55,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 11:59:55,341 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:55,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:55,341 INFO L82 PathProgramCache]: Analyzing trace with hash 607193524, now seen corresponding path program 1 times [2020-10-28 11:59:55,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:55,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904852974] [2020-10-28 11:59:55,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:55,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:55,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:56,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:57,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:57,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-28 11:59:57,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:59:57,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2255 [2020-10-28 11:59:57,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:57,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:57,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:57,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 242 [2020-10-28 11:59:57,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:59:57,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:57,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:57,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:57,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:57,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:57,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:57,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 11:59:57,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:57,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:57,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:57,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:57,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:57,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 11:59:57,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:57,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 11:59:57,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:57,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:57,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:57,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:57,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:57,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:57,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 11:59:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:57,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:58,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:58,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 11:59:58,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:58,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-28 11:59:58,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:58,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-28 11:59:58,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:58,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-28 11:59:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:58,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:58,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:58,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:58,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:58,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 11:59:58,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:58,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:59:58,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 241 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-28 11:59:58,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904852974] [2020-10-28 11:59:58,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:58,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:58,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592901594] [2020-10-28 11:59:58,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:58,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:58,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:58,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:58,342 INFO L87 Difference]: Start difference. First operand 2826 states and 3498 transitions. Second operand 7 states. [2020-10-28 12:00:00,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:00,669 INFO L93 Difference]: Finished difference Result 6381 states and 8028 transitions. [2020-10-28 12:00:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:00:00,670 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 346 [2020-10-28 12:00:00,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:00,690 INFO L225 Difference]: With dead ends: 6381 [2020-10-28 12:00:00,690 INFO L226 Difference]: Without dead ends: 3704 [2020-10-28 12:00:00,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:00:00,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3704 states. [2020-10-28 12:00:00,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3704 to 3406. [2020-10-28 12:00:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3406 states. [2020-10-28 12:00:00,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 3406 states and 4285 transitions. [2020-10-28 12:00:00,817 INFO L78 Accepts]: Start accepts. Automaton has 3406 states and 4285 transitions. Word has length 346 [2020-10-28 12:00:00,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:00,818 INFO L481 AbstractCegarLoop]: Abstraction has 3406 states and 4285 transitions. [2020-10-28 12:00:00,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:00:00,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3406 states and 4285 transitions. [2020-10-28 12:00:00,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-10-28 12:00:00,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:00,829 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:00,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:00:00,829 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:00,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:00,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1322938380, now seen corresponding path program 1 times [2020-10-28 12:00:00,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:00,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253052229] [2020-10-28 12:00:00,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:00,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:01,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:01,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:01,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:03,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 372 [2020-10-28 12:00:03,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:00:03,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2140 [2020-10-28 12:00:03,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:03,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 12:00:03,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-28 12:00:03,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:03,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:03,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:03,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:03,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:03,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:00:03,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:03,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:03,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:03,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:03,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:03,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:00:03,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:03,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-28 12:00:03,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:03,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:03,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:03,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:03,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 12:00:03,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:03,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:00:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:03,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:03,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 12:00:03,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:03,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-28 12:00:03,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:03,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 12:00:03,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:03,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-28 12:00:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:03,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:03,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-28 12:00:03,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:03,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-28 12:00:03,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:03,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:03,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:03,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:03,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-28 12:00:03,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 272 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-28 12:00:03,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253052229] [2020-10-28 12:00:03,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:03,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 12:00:03,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370853068] [2020-10-28 12:00:03,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 12:00:03,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:03,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 12:00:03,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:00:03,937 INFO L87 Difference]: Start difference. First operand 3406 states and 4285 transitions. Second operand 8 states. [2020-10-28 12:00:07,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:07,134 INFO L93 Difference]: Finished difference Result 7103 states and 8915 transitions. [2020-10-28 12:00:07,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:00:07,135 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 356 [2020-10-28 12:00:07,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:07,136 INFO L225 Difference]: With dead ends: 7103 [2020-10-28 12:00:07,136 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 12:00:07,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-28 12:00:07,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 12:00:07,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 12:00:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 12:00:07,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 12:00:07,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 356 [2020-10-28 12:00:07,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:07,152 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 12:00:07,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 12:00:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 12:00:07,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 12:00:07,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 12:00:07,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 12:00:07,499 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 166 [2020-10-28 12:00:08,303 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 166 [2020-10-28 12:00:08,440 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 20 [2020-10-28 12:00:08,972 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 34 [2020-10-28 12:00:09,799 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 41 [2020-10-28 12:00:10,096 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 29 [2020-10-28 12:00:10,613 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 34 [2020-10-28 12:00:10,618 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 12:00:10,618 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 12:00:10,618 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 12:00:10,618 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 12:00:10,618 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:00:10,619 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|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-28 12:00:10,619 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:00:10,619 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-28 12:00:10,619 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-28 12:00:10,619 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-28 12:00:10,619 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 12:00:10,619 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 12:00:10,619 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 12:00:10,619 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 12:00:10,619 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 12:00:10,619 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 12:00:10,619 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-28 12:00:10,620 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-28 12:00:10,620 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-28 12:00:10,620 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-28 12:00:10,620 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,620 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,620 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,620 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,620 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,620 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,620 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,621 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-28 12:00:10,622 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-28 12:00:10,623 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-28 12:00:10,623 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-28 12:00:10,623 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,623 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,623 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,623 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,623 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,623 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-28 12:00:10,623 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 12:00:10,623 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 12:00:10,623 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,624 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-28 12:00:10,625 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-28 12:00:10,625 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-28 12:00:10,625 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 12:00:10,625 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 12:00:10,625 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 12:00:10,625 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 12:00:10,625 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 12:00:10,625 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-28 12:00:10,625 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-28 12:00:10,625 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-28 12:00:10,625 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 12:00:10,626 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-28 12:00:10,627 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-28 12:00:10,628 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-28 12:00:10,628 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 12:00:10,628 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 12:00:10,628 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 12:00:10,628 INFO L270 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~a10~0)|))) (.cse1 (not (<= (+ |old(~a1~0)| 75821) 0))) (.cse2 (not (= 0 |old(~a10~0)|)))) (and (or (not (= 9 |old(~a19~0)|)) .cse0) (or .cse1 .cse0) (or (= 4 |old(~a10~0)|) .cse0) (or .cse1 .cse2) (or (not (<= 8 |old(~a19~0)|)) .cse2) (not (= 8 |old(~a19~0)|)))) [2020-10-28 12:00:10,628 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 12:00:10,628 INFO L274 CegarLoopResult]: For program point L87-1(line 87) no Hoare annotation was computed. [2020-10-28 12:00:10,628 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-28 12:00:10,628 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-28 12:00:10,629 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-28 12:00:10,629 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-28 12:00:10,629 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,629 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,629 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,629 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,629 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 12:00:10,629 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,629 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,629 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-28 12:00:10,629 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-28 12:00:10,630 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,631 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,631 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,631 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,631 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,631 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,631 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-28 12:00:10,631 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~a10~0)|))) (.cse2 (not (<= (+ |old(~a1~0)| 75821) 0))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse1 (not (<= 1 |old(~a10~0)|)))) (and (or .cse0 (not (= 9 |old(~a19~0)|)) .cse1) (or .cse0 (not (= 8 |old(~a19~0)|))) (or .cse2 .cse0 .cse3) (or .cse0 (not (<= 8 |old(~a19~0)|)) .cse3) (or .cse0 .cse2 .cse1) (or .cse0 (= 4 |old(~a10~0)|) .cse1))) [2020-10-28 12:00:10,631 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-28 12:00:10,631 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-28 12:00:10,632 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,633 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,633 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,633 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,633 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,633 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,633 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-28 12:00:10,633 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 12:00:10,633 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 12:00:10,633 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 12:00:10,633 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 12:00:10,633 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 12:00:10,634 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 12:00:10,634 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-28 12:00:10,634 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-28 12:00:10,634 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-28 12:00:10,634 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-28 12:00:10,634 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-28 12:00:10,634 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-28 12:00:10,634 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,634 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,634 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,634 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 12:00:10,635 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-28 12:00:10,636 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-28 12:00:10,636 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-28 12:00:10,636 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,636 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,636 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,636 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,636 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,636 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:10,636 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:00:10,636 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-28 12:00:10,636 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 12:00:10,636 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:00:10,637 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-28 12:00:10,637 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-28 12:00:10,637 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse2 (= ~a10~0 0)) (.cse1 (<= (+ ~a1~0 75821) 0)) (.cse0 (<= 1 ~a10~0))) (or (= ~a19~0 8) (and .cse0 (= ~a19~0 9)) (and .cse0 .cse1) (and (<= 8 ~a19~0) .cse2) (not (= 9 |old(~a19~0)|)) (and .cse2 .cse1) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (not (= ~a10~0 4)) .cse0))) [2020-10-28 12:00:10,637 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-28 12:00:10,637 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-28 12:00:10,637 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse2 (= ~a10~0 0)) (.cse1 (<= (+ ~a1~0 75821) 0)) (.cse0 (<= 1 ~a10~0))) (or (= ~a19~0 8) (and .cse0 (= ~a19~0 9)) (and .cse0 .cse1) (and (<= 8 ~a19~0) .cse2) (not (= 9 |old(~a19~0)|)) (and .cse2 .cse1) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (not (= ~a10~0 4)) .cse0))) [2020-10-28 12:00:10,637 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-28 12:00:10,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:00:10 BoogieIcfgContainer [2020-10-28 12:00:10,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:00:10,660 INFO L168 Benchmark]: Toolchain (without parser) took 68247.44 ms. Allocated memory was 156.2 MB in the beginning and 886.0 MB in the end (delta: 729.8 MB). Free memory was 130.3 MB in the beginning and 550.8 MB in the end (delta: -420.5 MB). Peak memory consumption was 529.0 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:10,660 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 156.2 MB. Free memory is still 131.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:00:10,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.09 ms. Allocated memory is still 156.2 MB. Free memory was 129.6 MB in the beginning and 103.1 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:10,662 INFO L168 Benchmark]: Boogie Preprocessor took 219.16 ms. Allocated memory is still 156.2 MB. Free memory was 103.1 MB in the beginning and 134.4 MB in the end (delta: -31.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:10,662 INFO L168 Benchmark]: RCFGBuilder took 1633.06 ms. Allocated memory was 156.2 MB in the beginning and 195.0 MB in the end (delta: 38.8 MB). Free memory was 134.4 MB in the beginning and 155.4 MB in the end (delta: -21.1 MB). Peak memory consumption was 89.0 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:10,663 INFO L168 Benchmark]: TraceAbstraction took 65645.17 ms. Allocated memory was 195.0 MB in the beginning and 886.0 MB in the end (delta: 691.0 MB). Free memory was 154.9 MB in the beginning and 550.8 MB in the end (delta: -395.8 MB). Peak memory consumption was 514.3 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:10,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 156.2 MB. Free memory is still 131.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 738.09 ms. Allocated memory is still 156.2 MB. Free memory was 129.6 MB in the beginning and 103.1 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 219.16 ms. Allocated memory is still 156.2 MB. Free memory was 103.1 MB in the beginning and 134.4 MB in the end (delta: -31.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1633.06 ms. Allocated memory was 156.2 MB in the beginning and 195.0 MB in the end (delta: 38.8 MB). Free memory was 134.4 MB in the beginning and 155.4 MB in the end (delta: -21.1 MB). Peak memory consumption was 89.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 65645.17 ms. Allocated memory was 195.0 MB in the beginning and 886.0 MB in the end (delta: 691.0 MB). Free memory was 154.9 MB in the beginning and 550.8 MB in the end (delta: -395.8 MB). Peak memory consumption was 514.3 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: 584]: Loop Invariant Derived loop invariant: (((((((a19 == 8 || (1 <= a10 && a19 == 9)) || (1 <= a10 && a1 + 75821 <= 0)) || (8 <= a19 && a10 == 0)) || !(9 == \old(a19))) || (a10 == 0 && a1 + 75821 <= 0)) || !(0 == \old(a10))) || !(23 == \old(a1))) || (!(a10 == 4) && 1 <= a10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 62.0s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 30.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 301 SDtfs, 5021 SDslu, 420 SDs, 0 SdLazy, 11669 SolverSat, 1770 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3406occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 1074 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 281 PreInvPairs, 339 NumberOfFragments, 375 HoareAnnotationTreeSize, 281 FomulaSimplifications, 159588 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 12964 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 28.9s InterpolantComputationTime, 2444 NumberOfCodeBlocks, 2444 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2433 ConstructedInterpolants, 0 QuantifiedInterpolants, 1659072 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 1815/1990 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...