/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 18:33:18,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 18:33:18,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 18:33:18,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 18:33:18,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 18:33:18,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 18:33:18,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 18:33:18,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 18:33:18,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 18:33:18,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 18:33:18,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 18:33:18,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 18:33:18,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 18:33:19,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 18:33:19,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 18:33:19,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 18:33:19,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 18:33:19,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 18:33:19,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 18:33:19,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 18:33:19,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 18:33:19,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 18:33:19,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 18:33:19,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 18:33:19,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 18:33:19,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 18:33:19,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 18:33:19,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 18:33:19,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 18:33:19,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 18:33:19,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 18:33:19,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 18:33:19,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 18:33:19,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 18:33:19,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 18:33:19,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 18:33:19,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 18:33:19,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 18:33:19,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 18:33:19,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 18:33:19,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 18:33:19,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 18:33:19,103 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 18:33:19,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 18:33:19,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 18:33:19,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 18:33:19,108 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 18:33:19,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 18:33:19,108 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 18:33:19,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 18:33:19,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 18:33:19,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 18:33:19,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 18:33:19,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 18:33:19,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 18:33:19,110 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 18:33:19,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 18:33:19,111 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 18:33:19,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 18:33:19,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 18:33:19,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 18:33:19,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 18:33:19,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 18:33:19,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:33:19,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 18:33:19,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 18:33:19,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 18:33:19,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 18:33:19,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 18:33:19,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 18:33:19,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 18:33:19,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 18:33:19,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 18:33:19,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 18:33:19,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 18:33:19,554 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 18:33:19,555 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 18:33:19,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label56.c [2020-10-27 18:33:19,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3900944ac/f0fee7c184774f2a8dfacc6ad4c92c37/FLAG83b2e136c [2020-10-27 18:33:20,514 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 18:33:20,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem15_label56.c [2020-10-27 18:33:20,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3900944ac/f0fee7c184774f2a8dfacc6ad4c92c37/FLAG83b2e136c [2020-10-27 18:33:21,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3900944ac/f0fee7c184774f2a8dfacc6ad4c92c37 [2020-10-27 18:33:21,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 18:33:21,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 18:33:21,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 18:33:21,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 18:33:21,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 18:33:21,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:33:21" (1/1) ... [2020-10-27 18:33:21,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385fa4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:33:21, skipping insertion in model container [2020-10-27 18:33:21,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:33:21" (1/1) ... [2020-10-27 18:33:21,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 18:33:21,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 18:33:21,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:33:21,904 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 18:33:22,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:33:22,197 INFO L208 MainTranslator]: Completed translation [2020-10-27 18:33:22,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:33:22 WrapperNode [2020-10-27 18:33:22,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 18:33:22,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 18:33:22,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 18:33:22,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 18:33:22,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:33:22" (1/1) ... [2020-10-27 18:33:22,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:33:22" (1/1) ... [2020-10-27 18:33:22,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:33:22" (1/1) ... [2020-10-27 18:33:22,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:33:22" (1/1) ... [2020-10-27 18:33:22,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:33:22" (1/1) ... [2020-10-27 18:33:22,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:33:22" (1/1) ... [2020-10-27 18:33:22,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:33:22" (1/1) ... [2020-10-27 18:33:22,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 18:33:22,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 18:33:22,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 18:33:22,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 18:33:22,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:33:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:33:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 18:33:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 18:33:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 18:33:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 18:33:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-27 18:33:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 18:33:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 18:33:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-27 18:33:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 18:33:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 18:33:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 18:33:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 18:33:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 18:33:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 18:33:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 18:33:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 18:33:22,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 18:33:22,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 18:33:22,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 18:33:22,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 18:33:22,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 18:33:26,145 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 18:33:26,146 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 18:33:26,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:33:26 BoogieIcfgContainer [2020-10-27 18:33:26,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 18:33:26,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 18:33:26,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 18:33:26,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 18:33:26,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:33:21" (1/3) ... [2020-10-27 18:33:26,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0caa8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:33:26, skipping insertion in model container [2020-10-27 18:33:26,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:33:22" (2/3) ... [2020-10-27 18:33:26,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0caa8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:33:26, skipping insertion in model container [2020-10-27 18:33:26,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:33:26" (3/3) ... [2020-10-27 18:33:26,158 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label56.c [2020-10-27 18:33:26,171 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 18:33:26,178 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 18:33:26,194 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 18:33:26,228 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 18:33:26,229 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 18:33:26,229 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 18:33:26,229 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 18:33:26,229 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 18:33:26,229 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 18:33:26,230 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 18:33:26,230 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 18:33:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states. [2020-10-27 18:33:26,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-27 18:33:26,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:33:26,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:33:26,272 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:33:26,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:33:26,279 INFO L82 PathProgramCache]: Analyzing trace with hash 336925073, now seen corresponding path program 1 times [2020-10-27 18:33:26,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:33:26,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852528850] [2020-10-27 18:33:26,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:33:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:33:26,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:27,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:33:27,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 18:33:27,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:33:27,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 728 [2020-10-27 18:33:27,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:33:27,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:33:27,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 18:33:27,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 18:33:27,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 18:33:27,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:33:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:33:27,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:27,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:33:27,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:33:27,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:33:27,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 18:33:27,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:33:27,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:33:27,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:33:27,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 18:33:27,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:33:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:33:27,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852528850] [2020-10-27 18:33:27,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 18:33:27,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 18:33:27,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996349551] [2020-10-27 18:33:27,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:33:27,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:33:27,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:33:27,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:33:27,500 INFO L87 Difference]: Start difference. First operand 441 states. Second operand 5 states. [2020-10-27 18:33:36,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:33:36,310 INFO L93 Difference]: Finished difference Result 1208 states and 2172 transitions. [2020-10-27 18:33:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:33:36,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-10-27 18:33:36,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:33:36,334 INFO L225 Difference]: With dead ends: 1208 [2020-10-27 18:33:36,334 INFO L226 Difference]: Without dead ends: 703 [2020-10-27 18:33:36,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:33:36,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2020-10-27 18:33:36,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 697. [2020-10-27 18:33:36,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-10-27 18:33:36,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1016 transitions. [2020-10-27 18:33:36,454 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1016 transitions. Word has length 40 [2020-10-27 18:33:36,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:33:36,454 INFO L481 AbstractCegarLoop]: Abstraction has 697 states and 1016 transitions. [2020-10-27 18:33:36,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:33:36,455 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1016 transitions. [2020-10-27 18:33:36,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-27 18:33:36,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:33:36,461 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:33:36,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 18:33:36,461 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:33:36,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:33:36,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1969371253, now seen corresponding path program 1 times [2020-10-27 18:33:36,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:33:36,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838891716] [2020-10-27 18:33:36,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:33:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:33:36,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:37,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:37,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:38,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:33:38,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-27 18:33:38,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:33:38,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1542 [2020-10-27 18:33:38,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:33:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:33:38,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 18:33:38,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:33:38,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:33:38,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:33:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:33:38,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:38,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:33:38,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:33:38,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:33:38,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 18:33:38,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:33:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:33:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:33:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:33:38,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:33:38,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:33:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:33:38,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:38,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:33:38,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 18:33:38,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:33:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 18:33:38,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:33:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:33:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:33:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 18:33:38,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:33:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:33:38,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838891716] [2020-10-27 18:33:38,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:33:38,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:33:38,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389573448] [2020-10-27 18:33:38,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:33:38,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:33:38,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:33:38,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:33:38,477 INFO L87 Difference]: Start difference. First operand 697 states and 1016 transitions. Second operand 5 states. [2020-10-27 18:33:46,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:33:46,050 INFO L93 Difference]: Finished difference Result 2020 states and 2974 transitions. [2020-10-27 18:33:46,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:33:46,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-10-27 18:33:46,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:33:46,065 INFO L225 Difference]: With dead ends: 2020 [2020-10-27 18:33:46,066 INFO L226 Difference]: Without dead ends: 1329 [2020-10-27 18:33:46,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:33:46,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2020-10-27 18:33:46,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1325. [2020-10-27 18:33:46,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1325 states. [2020-10-27 18:33:46,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1880 transitions. [2020-10-27 18:33:46,162 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1880 transitions. Word has length 119 [2020-10-27 18:33:46,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:33:46,165 INFO L481 AbstractCegarLoop]: Abstraction has 1325 states and 1880 transitions. [2020-10-27 18:33:46,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:33:46,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1880 transitions. [2020-10-27 18:33:46,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 18:33:46,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:33:46,181 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:33:46,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 18:33:46,182 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:33:46,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:33:46,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1559430979, now seen corresponding path program 1 times [2020-10-27 18:33:46,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:33:46,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701782552] [2020-10-27 18:33:46,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:33:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:33:46,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:46,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:47,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:33:47,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 18:33:47,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:33:47,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-10-27 18:33:47,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:33:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:33:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 18:33:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:33:47,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:33:47,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:33:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:33:47,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:47,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:33:47,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:33:47,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:33:47,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:33:47,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:33:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:33:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:33:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:33:47,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:33:47,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:33:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:33:47,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:47,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:33:47,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 18:33:47,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:33:47,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 18:33:47,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:33:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:33:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:33:47,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 18:33:47,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:33:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:33:47,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701782552] [2020-10-27 18:33:47,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:33:47,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:33:47,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417421325] [2020-10-27 18:33:47,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:33:47,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:33:47,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:33:47,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:33:47,706 INFO L87 Difference]: Start difference. First operand 1325 states and 1880 transitions. Second operand 5 states. [2020-10-27 18:33:57,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:33:57,739 INFO L93 Difference]: Finished difference Result 3900 states and 5605 transitions. [2020-10-27 18:33:57,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:33:57,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-10-27 18:33:57,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:33:57,758 INFO L225 Difference]: With dead ends: 3900 [2020-10-27 18:33:57,758 INFO L226 Difference]: Without dead ends: 2581 [2020-10-27 18:33:57,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:33:57,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2581 states. [2020-10-27 18:33:57,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2581 to 1961. [2020-10-27 18:33:57,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1961 states. [2020-10-27 18:33:57,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2615 transitions. [2020-10-27 18:33:57,843 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2615 transitions. Word has length 123 [2020-10-27 18:33:57,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:33:57,843 INFO L481 AbstractCegarLoop]: Abstraction has 1961 states and 2615 transitions. [2020-10-27 18:33:57,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:33:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2615 transitions. [2020-10-27 18:33:57,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 18:33:57,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:33:57,846 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:33:57,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 18:33:57,846 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:33:57,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:33:57,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1412262819, now seen corresponding path program 1 times [2020-10-27 18:33:57,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:33:57,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855846190] [2020-10-27 18:33:57,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:33:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:33:57,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:57,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:58,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:58,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:59,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:33:59,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 18:33:59,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:33:59,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1554 [2020-10-27 18:33:59,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:33:59,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:33:59,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 18:33:59,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 18:33:59,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:33:59,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:33:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:33:59,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:59,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:33:59,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:33:59,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:33:59,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 18:33:59,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:33:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:33:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:33:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:33:59,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:33:59,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:33:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:33:59,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:33:59,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:33:59,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 18:33:59,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:33:59,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 18:33:59,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:33:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:33:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:33:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 18:33:59,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:33:59,863 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:33:59,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855846190] [2020-10-27 18:33:59,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:33:59,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:33:59,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382956119] [2020-10-27 18:33:59,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:33:59,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:33:59,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:33:59,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:33:59,873 INFO L87 Difference]: Start difference. First operand 1961 states and 2615 transitions. Second operand 5 states. [2020-10-27 18:34:09,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:34:09,633 INFO L93 Difference]: Finished difference Result 3962 states and 5298 transitions. [2020-10-27 18:34:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:34:09,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-27 18:34:09,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:34:09,647 INFO L225 Difference]: With dead ends: 3962 [2020-10-27 18:34:09,648 INFO L226 Difference]: Without dead ends: 1965 [2020-10-27 18:34:09,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:34:09,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2020-10-27 18:34:09,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1961. [2020-10-27 18:34:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1961 states. [2020-10-27 18:34:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2609 transitions. [2020-10-27 18:34:09,724 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2609 transitions. Word has length 126 [2020-10-27 18:34:09,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:34:09,724 INFO L481 AbstractCegarLoop]: Abstraction has 1961 states and 2609 transitions. [2020-10-27 18:34:09,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:34:09,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2609 transitions. [2020-10-27 18:34:09,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-27 18:34:09,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:34:09,728 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:34:09,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 18:34:09,728 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:34:09,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:34:09,728 INFO L82 PathProgramCache]: Analyzing trace with hash -831022873, now seen corresponding path program 1 times [2020-10-27 18:34:09,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:34:09,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095607963] [2020-10-27 18:34:09,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:34:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:09,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:10,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:11,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:11,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 18:34:11,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:34:11,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1279 [2020-10-27 18:34:11,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:34:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-27 18:34:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:34:11,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:11,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:34:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:11,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:11,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:11,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:34:11,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:34:11,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:34:11,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:11,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:34:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:34:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:34:11,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:11,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:34:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:11,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:11,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:11,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 18:34:11,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:34:11,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 18:34:11,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:34:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:34:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 18:34:11,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:11,446 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:34:11,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095607963] [2020-10-27 18:34:11,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:34:11,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 18:34:11,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058974724] [2020-10-27 18:34:11,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 18:34:11,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:34:11,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 18:34:11,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:34:11,449 INFO L87 Difference]: Start difference. First operand 1961 states and 2609 transitions. Second operand 6 states. [2020-10-27 18:34:18,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:34:18,782 INFO L93 Difference]: Finished difference Result 4857 states and 6713 transitions. [2020-10-27 18:34:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:34:18,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-10-27 18:34:18,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:34:18,800 INFO L225 Difference]: With dead ends: 4857 [2020-10-27 18:34:18,800 INFO L226 Difference]: Without dead ends: 2902 [2020-10-27 18:34:18,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:34:18,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2020-10-27 18:34:18,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2898. [2020-10-27 18:34:18,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2898 states. [2020-10-27 18:34:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 3977 transitions. [2020-10-27 18:34:18,888 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 3977 transitions. Word has length 156 [2020-10-27 18:34:18,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:34:18,888 INFO L481 AbstractCegarLoop]: Abstraction has 2898 states and 3977 transitions. [2020-10-27 18:34:18,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 18:34:18,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 3977 transitions. [2020-10-27 18:34:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-27 18:34:18,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:34:18,894 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 18:34:18,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 18:34:18,894 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:34:18,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:34:18,895 INFO L82 PathProgramCache]: Analyzing trace with hash -318890131, now seen corresponding path program 1 times [2020-10-27 18:34:18,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:34:18,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586200052] [2020-10-27 18:34:18,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:34:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:18,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:19,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:19,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:20,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:21,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:23,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:23,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-27 18:34:23,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:34:23,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 18:34:23,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:34:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-10-27 18:34:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:34:23,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:24,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:34:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:24,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:24,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:24,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:34:24,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:34:24,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:34:24,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:24,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:34:24,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:34:24,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:34:24,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:24,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:34:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:24,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:24,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:24,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 18:34:24,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:34:24,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 18:34:24,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:34:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:34:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:34:24,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:24,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 18:34:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:24,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:24,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:24,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 18:34:24,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:34:24,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 18:34:24,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:34:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:34:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 18:34:24,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-27 18:34:24,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586200052] [2020-10-27 18:34:24,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:34:24,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:34:24,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742664260] [2020-10-27 18:34:24,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:34:24,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:34:24,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:34:24,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:34:24,344 INFO L87 Difference]: Start difference. First operand 2898 states and 3977 transitions. Second operand 5 states. [2020-10-27 18:34:32,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:34:32,199 INFO L93 Difference]: Finished difference Result 7352 states and 10460 transitions. [2020-10-27 18:34:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:34:32,204 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 213 [2020-10-27 18:34:32,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:34:32,226 INFO L225 Difference]: With dead ends: 7352 [2020-10-27 18:34:32,227 INFO L226 Difference]: Without dead ends: 4460 [2020-10-27 18:34:32,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:34:32,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4460 states. [2020-10-27 18:34:32,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4460 to 3840. [2020-10-27 18:34:32,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3840 states. [2020-10-27 18:34:32,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 5068 transitions. [2020-10-27 18:34:32,365 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 5068 transitions. Word has length 213 [2020-10-27 18:34:32,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:34:32,365 INFO L481 AbstractCegarLoop]: Abstraction has 3840 states and 5068 transitions. [2020-10-27 18:34:32,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:34:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 5068 transitions. [2020-10-27 18:34:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 18:34:32,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:34:32,395 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:34:32,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 18:34:32,396 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:34:32,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:34:32,397 INFO L82 PathProgramCache]: Analyzing trace with hash -93738406, now seen corresponding path program 1 times [2020-10-27 18:34:32,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:34:32,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514706601] [2020-10-27 18:34:32,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:34:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:32,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:32,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:34,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:34,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:34,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-27 18:34:34,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:34:34,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1703 [2020-10-27 18:34:34,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:34,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:34:34,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-10-27 18:34:34,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:34:34,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:34,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:34:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:34,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:34,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:34,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:34:34,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:34:34,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:34:34,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:34:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:34:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:34:34,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:34,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:34:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:34,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:34,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:34,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 18:34:34,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:34:34,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-27 18:34:34,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:34:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:34:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-27 18:34:34,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:34:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:34:34,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514706601] [2020-10-27 18:34:34,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:34:34,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:34:34,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732918449] [2020-10-27 18:34:34,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:34:34,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:34:34,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:34:34,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:34:34,861 INFO L87 Difference]: Start difference. First operand 3840 states and 5068 transitions. Second operand 5 states. [2020-10-27 18:34:46,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:34:46,462 INFO L93 Difference]: Finished difference Result 10811 states and 14674 transitions. [2020-10-27 18:34:46,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:34:46,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 218 [2020-10-27 18:34:46,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:34:46,494 INFO L225 Difference]: With dead ends: 10811 [2020-10-27 18:34:46,495 INFO L226 Difference]: Without dead ends: 6977 [2020-10-27 18:34:46,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:34:46,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6977 states. [2020-10-27 18:34:46,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6977 to 6959. [2020-10-27 18:34:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6959 states. [2020-10-27 18:34:46,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6959 states to 6959 states and 9225 transitions. [2020-10-27 18:34:46,694 INFO L78 Accepts]: Start accepts. Automaton has 6959 states and 9225 transitions. Word has length 218 [2020-10-27 18:34:46,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:34:46,694 INFO L481 AbstractCegarLoop]: Abstraction has 6959 states and 9225 transitions. [2020-10-27 18:34:46,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:34:46,695 INFO L276 IsEmpty]: Start isEmpty. Operand 6959 states and 9225 transitions. [2020-10-27 18:34:46,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-27 18:34:46,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:34:46,702 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 18:34:46,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 18:34:46,702 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:34:46,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:34:46,703 INFO L82 PathProgramCache]: Analyzing trace with hash -412016323, now seen corresponding path program 1 times [2020-10-27 18:34:46,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:34:46,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990636460] [2020-10-27 18:34:46,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:34:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:46,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:46,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:47,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:48,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:51,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:51,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-27 18:34:51,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:34:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4574 [2020-10-27 18:34:51,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:51,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:34:51,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-10-27 18:34:51,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:34:51,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:51,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:34:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:51,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:51,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:51,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:34:51,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:34:51,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 18:34:51,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:34:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:34:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:34:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:51,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:34:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:51,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:51,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:51,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 18:34:51,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:34:51,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 18:34:51,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:34:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:34:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:34:51,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:51,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 18:34:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:34:51,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:34:51,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:34:51,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 18:34:51,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:34:51,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-27 18:34:51,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:34:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:34:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:34:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 18:34:51,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:34:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-27 18:34:51,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990636460] [2020-10-27 18:34:51,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:34:51,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:34:51,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385727738] [2020-10-27 18:34:51,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:34:51,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:34:51,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:34:51,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:34:51,857 INFO L87 Difference]: Start difference. First operand 6959 states and 9225 transitions. Second operand 5 states. [2020-10-27 18:35:02,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:35:02,571 INFO L93 Difference]: Finished difference Result 15157 states and 20617 transitions. [2020-10-27 18:35:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:35:02,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 221 [2020-10-27 18:35:02,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:35:02,622 INFO L225 Difference]: With dead ends: 15157 [2020-10-27 18:35:02,622 INFO L226 Difference]: Without dead ends: 8204 [2020-10-27 18:35:02,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:35:02,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8204 states. [2020-10-27 18:35:02,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8204 to 8197. [2020-10-27 18:35:02,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8197 states. [2020-10-27 18:35:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8197 states to 8197 states and 10723 transitions. [2020-10-27 18:35:02,841 INFO L78 Accepts]: Start accepts. Automaton has 8197 states and 10723 transitions. Word has length 221 [2020-10-27 18:35:02,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:35:02,842 INFO L481 AbstractCegarLoop]: Abstraction has 8197 states and 10723 transitions. [2020-10-27 18:35:02,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:35:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 8197 states and 10723 transitions. [2020-10-27 18:35:02,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-27 18:35:02,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:35:02,854 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:35:02,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 18:35:02,855 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:35:02,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:35:02,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1530021842, now seen corresponding path program 1 times [2020-10-27 18:35:02,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:35:02,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498669048] [2020-10-27 18:35:02,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:35:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:02,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:03,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:04,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:04,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:07,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:07,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-27 18:35:07,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:35:07,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4360 [2020-10-27 18:35:07,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:07,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:35:07,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-10-27 18:35:07,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:35:07,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:07,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:35:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:07,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:07,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:07,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:35:07,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:07,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 18:35:07,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:35:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:35:07,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:07,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:35:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:07,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:07,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:07,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 18:35:07,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:07,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 18:35:07,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:07,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:35:07,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:07,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:35:07,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:07,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 18:35:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:07,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:07,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:07,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 18:35:07,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:07,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-27 18:35:07,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:07,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:35:07,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:07,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-27 18:35:07,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-27 18:35:07,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498669048] [2020-10-27 18:35:07,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:35:07,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:35:07,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597356979] [2020-10-27 18:35:07,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:35:07,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:35:07,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:35:07,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:35:07,831 INFO L87 Difference]: Start difference. First operand 8197 states and 10723 transitions. Second operand 5 states. [2020-10-27 18:35:19,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:35:19,972 INFO L93 Difference]: Finished difference Result 20147 states and 26792 transitions. [2020-10-27 18:35:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:35:19,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-10-27 18:35:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:35:20,011 INFO L225 Difference]: With dead ends: 20147 [2020-10-27 18:35:20,012 INFO L226 Difference]: Without dead ends: 11956 [2020-10-27 18:35:20,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:35:20,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11956 states. [2020-10-27 18:35:20,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11956 to 11938. [2020-10-27 18:35:20,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11938 states. [2020-10-27 18:35:20,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11938 states to 11938 states and 15637 transitions. [2020-10-27 18:35:20,305 INFO L78 Accepts]: Start accepts. Automaton has 11938 states and 15637 transitions. Word has length 278 [2020-10-27 18:35:20,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:35:20,306 INFO L481 AbstractCegarLoop]: Abstraction has 11938 states and 15637 transitions. [2020-10-27 18:35:20,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:35:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 11938 states and 15637 transitions. [2020-10-27 18:35:20,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-10-27 18:35:20,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:35:20,321 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:35:20,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 18:35:20,321 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:35:20,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:35:20,323 INFO L82 PathProgramCache]: Analyzing trace with hash 903045383, now seen corresponding path program 1 times [2020-10-27 18:35:20,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:35:20,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828107901] [2020-10-27 18:35:20,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:35:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:20,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:20,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:21,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:22,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:24,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:24,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-10-27 18:35:24,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:35:24,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4125 [2020-10-27 18:35:24,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:24,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:35:24,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 266 [2020-10-27 18:35:24,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:35:24,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:24,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:35:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:24,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:24,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:24,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:35:24,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:24,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:35:24,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:24,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:35:24,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:24,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:35:24,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:24,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:35:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:24,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:24,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:24,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 18:35:24,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 18:35:24,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:35:24,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:24,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:35:24,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:24,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 18:35:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:24,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:24,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:24,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 18:35:24,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:24,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 18:35:24,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:35:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-27 18:35:24,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-27 18:35:25,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828107901] [2020-10-27 18:35:25,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:35:25,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:35:25,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976703400] [2020-10-27 18:35:25,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:35:25,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:35:25,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:35:25,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:35:25,013 INFO L87 Difference]: Start difference. First operand 11938 states and 15637 transitions. Second operand 5 states. [2020-10-27 18:35:34,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:35:34,206 INFO L93 Difference]: Finished difference Result 27941 states and 37092 transitions. [2020-10-27 18:35:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:35:34,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 294 [2020-10-27 18:35:34,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:35:34,262 INFO L225 Difference]: With dead ends: 27941 [2020-10-27 18:35:34,263 INFO L226 Difference]: Without dead ends: 16009 [2020-10-27 18:35:34,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:35:34,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16009 states. [2020-10-27 18:35:34,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16009 to 15987. [2020-10-27 18:35:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15987 states. [2020-10-27 18:35:34,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15987 states to 15987 states and 20998 transitions. [2020-10-27 18:35:34,659 INFO L78 Accepts]: Start accepts. Automaton has 15987 states and 20998 transitions. Word has length 294 [2020-10-27 18:35:34,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:35:34,660 INFO L481 AbstractCegarLoop]: Abstraction has 15987 states and 20998 transitions. [2020-10-27 18:35:34,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:35:34,660 INFO L276 IsEmpty]: Start isEmpty. Operand 15987 states and 20998 transitions. [2020-10-27 18:35:34,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-10-27 18:35:34,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:35:34,688 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 18:35:34,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 18:35:34,689 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:35:34,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:35:34,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1612040522, now seen corresponding path program 1 times [2020-10-27 18:35:34,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:35:34,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535990069] [2020-10-27 18:35:34,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:35:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:34,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:34,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:35,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:37,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:37,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:38,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:39,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:39,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:39,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-27 18:35:39,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 18:35:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 18:35:39,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:35:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 338 [2020-10-27 18:35:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:35:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:39,955 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-27 18:35:39,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:35:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:39,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:39,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:39,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:35:39,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:35:39,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:35:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:35:39,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:39,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:35:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:40,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:40,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:40,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 18:35:40,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:40,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 18:35:40,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:40,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:35:40,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:35:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:40,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 18:35:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:40,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:40,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:40,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 18:35:40,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:40,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-27 18:35:40,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:35:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:40,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 18:35:40,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2020-10-27 18:35:40,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535990069] [2020-10-27 18:35:40,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:35:40,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:35:40,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224042714] [2020-10-27 18:35:40,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:35:40,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:35:40,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:35:40,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:35:40,364 INFO L87 Difference]: Start difference. First operand 15987 states and 20998 transitions. Second operand 5 states. [2020-10-27 18:35:51,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:35:51,260 INFO L93 Difference]: Finished difference Result 37850 states and 51623 transitions. [2020-10-27 18:35:51,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:35:51,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 366 [2020-10-27 18:35:51,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:35:51,350 INFO L225 Difference]: With dead ends: 37850 [2020-10-27 18:35:51,350 INFO L226 Difference]: Without dead ends: 21869 [2020-10-27 18:35:51,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:35:51,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21869 states. [2020-10-27 18:35:51,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21869 to 18795. [2020-10-27 18:35:51,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18795 states. [2020-10-27 18:35:51,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18795 states to 18795 states and 24877 transitions. [2020-10-27 18:35:51,843 INFO L78 Accepts]: Start accepts. Automaton has 18795 states and 24877 transitions. Word has length 366 [2020-10-27 18:35:51,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:35:51,844 INFO L481 AbstractCegarLoop]: Abstraction has 18795 states and 24877 transitions. [2020-10-27 18:35:51,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:35:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 18795 states and 24877 transitions. [2020-10-27 18:35:51,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-10-27 18:35:51,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:35:51,988 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:35:51,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 18:35:51,989 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:35:51,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:35:51,990 INFO L82 PathProgramCache]: Analyzing trace with hash -519372439, now seen corresponding path program 1 times [2020-10-27 18:35:51,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:35:51,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11364797] [2020-10-27 18:35:51,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:35:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:52,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:52,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:53,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:55,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:57,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:57,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 422 [2020-10-27 18:35:57,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:35:57,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-27 18:35:57,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 18:35:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 378 [2020-10-27 18:35:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 18:35:57,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:57,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:35:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:57,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:57,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:57,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:35:57,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:57,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 18:35:57,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:57,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:35:57,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:57,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:35:57,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:57,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:35:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:57,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:57,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:57,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 18:35:57,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 18:35:57,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:35:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:35:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:57,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 18:35:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:35:57,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:35:57,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:35:57,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-27 18:35:57,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:35:57,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-27 18:35:57,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:35:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 18:35:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:35:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 246 [2020-10-27 18:35:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:35:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-27 18:35:57,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11364797] [2020-10-27 18:35:57,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:35:57,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 18:35:57,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379955453] [2020-10-27 18:35:57,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 18:35:57,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:35:57,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 18:35:57,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:35:57,742 INFO L87 Difference]: Start difference. First operand 18795 states and 24877 transitions. Second operand 6 states. [2020-10-27 18:36:10,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:36:10,274 INFO L93 Difference]: Finished difference Result 45338 states and 61785 transitions. [2020-10-27 18:36:10,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:36:10,276 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 408 [2020-10-27 18:36:10,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:36:10,374 INFO L225 Difference]: With dead ends: 45338 [2020-10-27 18:36:10,375 INFO L226 Difference]: Without dead ends: 26549 [2020-10-27 18:36:10,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 18:36:10,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26549 states. [2020-10-27 18:36:11,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26549 to 21631. [2020-10-27 18:36:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21631 states. [2020-10-27 18:36:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21631 states to 21631 states and 28967 transitions. [2020-10-27 18:36:11,091 INFO L78 Accepts]: Start accepts. Automaton has 21631 states and 28967 transitions. Word has length 408 [2020-10-27 18:36:11,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:36:11,093 INFO L481 AbstractCegarLoop]: Abstraction has 21631 states and 28967 transitions. [2020-10-27 18:36:11,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 18:36:11,093 INFO L276 IsEmpty]: Start isEmpty. Operand 21631 states and 28967 transitions. [2020-10-27 18:36:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2020-10-27 18:36:11,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:36:11,141 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:36:11,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 18:36:11,142 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:36:11,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:36:11,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1263036397, now seen corresponding path program 1 times [2020-10-27 18:36:11,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:36:11,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608965310] [2020-10-27 18:36:11,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:36:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:36:11,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:36:11,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:36:11,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:36:12,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:36:13,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:36:16,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:36:16,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 449 [2020-10-27 18:36:16,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:36:16,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-27 18:36:16,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:36:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:36:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 406 [2020-10-27 18:36:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 18:36:16,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:36:16,500 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-27 18:36:16,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:36:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:36:16,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:36:16,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:36:16,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:36:16,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:36:16,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:36:16,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:36:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:36:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:36:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:36:16,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:36:16,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:36:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:36:16,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:36:16,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:36:16,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 18:36:16,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:36:16,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 18:36:16,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:36:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:36:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:36:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:36:16,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:36:16,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 18:36:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:36:16,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:36:17,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:36:17,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 18:36:17,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:36:17,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-27 18:36:17,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:36:17,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:36:17,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:36:17,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 273 [2020-10-27 18:36:17,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:36:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-27 18:36:17,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608965310] [2020-10-27 18:36:17,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:36:17,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:36:17,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179712342] [2020-10-27 18:36:17,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:36:17,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:36:17,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:36:17,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:36:17,404 INFO L87 Difference]: Start difference. First operand 21631 states and 28967 transitions. Second operand 5 states. [2020-10-27 18:36:30,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:36:30,590 INFO L93 Difference]: Finished difference Result 49160 states and 66646 transitions. [2020-10-27 18:36:30,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:36:30,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 435 [2020-10-27 18:36:30,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:36:30,595 INFO L225 Difference]: With dead ends: 49160 [2020-10-27 18:36:30,595 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 18:36:30,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:36:30,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 18:36:30,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 18:36:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 18:36:30,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 18:36:30,789 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 435 [2020-10-27 18:36:30,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:36:30,789 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 18:36:30,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:36:30,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 18:36:30,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 18:36:30,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 18:36:30,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 18:36:31,416 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 41 [2020-10-27 18:36:34,622 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2020-10-27 18:36:35,368 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 41 [2020-10-27 18:36:37,665 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 374 DAG size of output: 38 [2020-10-27 18:36:40,131 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 403 DAG size of output: 38 [2020-10-27 18:36:42,647 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 393 DAG size of output: 56 [2020-10-27 18:36:43,742 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 225 DAG size of output: 26 [2020-10-27 18:36:43,824 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 5) no Hoare annotation was computed. [2020-10-27 18:36:43,824 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 5) the Hoare annotation is: true [2020-10-27 18:36:43,824 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 5) no Hoare annotation was computed. [2020-10-27 18:36:43,824 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-10-27 18:36:43,824 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:36:43,824 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a0~0 |old(~a0~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= ~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)|) (= ~a2~0 |old(~a2~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 18:36:43,825 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:36:43,825 INFO L274 CegarLoopResult]: For program point L1724(lines 1724 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,825 INFO L274 CegarLoopResult]: For program point calculate_output2EXIT(lines 1660 1760) no Hoare annotation was computed. [2020-10-27 18:36:43,825 INFO L274 CegarLoopResult]: For program point L1687(lines 1687 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,825 INFO L274 CegarLoopResult]: For program point L1712(lines 1712 1723) no Hoare annotation was computed. [2020-10-27 18:36:43,825 INFO L274 CegarLoopResult]: For program point L1712-2(lines 1712 1723) no Hoare annotation was computed. [2020-10-27 18:36:43,825 INFO L274 CegarLoopResult]: For program point L1708(lines 1708 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,825 INFO L274 CegarLoopResult]: For program point L1737(lines 1737 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,825 INFO L274 CegarLoopResult]: For program point L1696(lines 1696 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,826 INFO L274 CegarLoopResult]: For program point L1663(lines 1663 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,826 INFO L270 CegarLoopResult]: At program point calculate_output2ENTRY(lines 1660 1760) the Hoare annotation is: (let ((.cse0 (and (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a0~0 |old(~a0~0)|)))) (and (or (not (<= 0 (+ |old(~a29~0)| 15))) .cse0) (or .cse0 (not (<= (+ |old(~a0~0)| 98) 0))) (or .cse0 (not (<= |old(~a2~0)| 4))) (or .cse0 (not (<= (+ |old(~a0~0)| 61) 0)) (not (<= 0 (+ |old(~a4~0)| 85)))))) [2020-10-27 18:36:43,826 INFO L274 CegarLoopResult]: For program point L1688(lines 1688 1695) no Hoare annotation was computed. [2020-10-27 18:36:43,826 INFO L274 CegarLoopResult]: For program point L1688-2(lines 1688 1695) no Hoare annotation was computed. [2020-10-27 18:36:43,826 INFO L274 CegarLoopResult]: For program point L1680(lines 1680 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,826 INFO L274 CegarLoopResult]: For program point L1751(lines 1751 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,826 INFO L274 CegarLoopResult]: For program point calculate_output2FINAL(lines 1660 1760) no Hoare annotation was computed. [2020-10-27 18:36:43,826 INFO L274 CegarLoopResult]: For program point L1731(lines 1731 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,827 INFO L274 CegarLoopResult]: For program point L1744(lines 1744 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,827 INFO L274 CegarLoopResult]: For program point L1711(lines 1711 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,827 INFO L274 CegarLoopResult]: For program point L1674(lines 1674 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,827 INFO L274 CegarLoopResult]: For program point L1703(lines 1703 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,827 INFO L274 CegarLoopResult]: For program point L1670(lines 1670 1758) no Hoare annotation was computed. [2020-10-27 18:36:43,827 INFO L274 CegarLoopResult]: For program point L696(lines 696 708) no Hoare annotation was computed. [2020-10-27 18:36:43,827 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 708) no Hoare annotation was computed. [2020-10-27 18:36:43,827 INFO L274 CegarLoopResult]: For program point L1291(lines 1291 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,827 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 18:36:43,827 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L1093(lines 1093 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L961(lines 961 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L763(lines 763 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L1556(lines 1556 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L499(lines 499 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L1490(lines 1490 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L301(lines 301 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L1292(lines 1292 1301) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L1226(lines 1226 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L1292-2(lines 1292 1301) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L1028(lines 1028 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L236(lines 236 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L170-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,828 INFO L274 CegarLoopResult]: For program point L104-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L38-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L897(lines 897 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L831(lines 831 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L435(lines 435 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L369(lines 369 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L832(lines 832 841) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L832-2(lines 832 841) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L1625(lines 1625 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L173-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,829 INFO L274 CegarLoopResult]: For program point L107-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L41-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L1032(lines 1032 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L636(lines 636 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L1561(lines 1561 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L504(lines 504 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L270 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: (and (not (<= 0 (+ |old(~a29~0)| 15))) (or (not (<= (+ |old(~a0~0)| 61) 0)) (not (<= 0 (+ |old(~a4~0)| 85)))) (not (<= |old(~a2~0)| 4)) (not (<= (+ |old(~a0~0)| 98) 0))) [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L108-1(line 108) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L571(lines 571 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L1496(lines 1496 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L1100(lines 1100 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L968(lines 968 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,830 INFO L274 CegarLoopResult]: For program point L770(lines 770 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L308(lines 308 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L1233(lines 1233 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L176-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L110-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L1101(lines 1101 1109) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L44-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L1101-2(lines 1101 1109) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L903(lines 903 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L441(lines 441 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L375(lines 375 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L309(lines 309 321) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L243(lines 243 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L309-2(lines 309 321) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 18:36:43,831 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L1631(lines 1631 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L1433(lines 1433 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L1367(lines 1367 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L1037(lines 1037 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L509(lines 509 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L1302(lines 1302 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L179-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L1170(lines 1170 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L113-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L47-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L576(lines 576 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 18:36:43,832 INFO L274 CegarLoopResult]: For program point L709(lines 709 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L643(lines 643 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L577(lines 577 588) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L1568(lines 1568 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L577-2(lines 577 588) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L842(lines 842 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L776(lines 776 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L644(lines 644 653) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L644-2(lines 644 653) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L1503(lines 1503 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L182-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L116-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L50-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,833 INFO L274 CegarLoopResult]: For program point L975(lines 975 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L909(lines 909 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L447(lines 447 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L249(lines 249 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L1174(lines 1174 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L1637(lines 1637 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L382(lines 382 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L1373(lines 1373 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L1572(lines 1572 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L1440(lines 1440 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,834 INFO L274 CegarLoopResult]: For program point L1308(lines 1308 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L185-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L119-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L1110(lines 1110 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L53-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L714(lines 714 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L1573(lines 1573 1583) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L516(lines 516 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L1573-2(lines 1573 1583) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L1441(lines 1441 1450) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L1441-2(lines 1441 1450) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 18:36:43,835 INFO L274 CegarLoopResult]: For program point L847(lines 847 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L781(lines 781 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L451(lines 451 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L1046(lines 1046 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L914(lines 914 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L386(lines 386 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L1245(lines 1245 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L188-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L122-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L56-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L981(lines 981 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L1642(lines 1642 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L1510(lines 1510 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L255(lines 255 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,836 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L1180(lines 1180 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L322(lines 322 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L1380(lines 1380 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L191-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L125-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L59-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L720(lines 720 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L654(lines 654 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L522(lines 522 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L1513(lines 1513 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,837 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 25 1658) the Hoare annotation is: (let ((.cse0 (and (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a0~0 |old(~a0~0)|)))) (and (or (not (<= 0 (+ |old(~a29~0)| 15))) .cse0) (or .cse0 (not (<= (+ |old(~a0~0)| 98) 0))) (or .cse0 (not (<= |old(~a2~0)| 4))) (or .cse0 (not (<= (+ |old(~a0~0)| 61) 0)) (not (<= 0 (+ |old(~a4~0)| 85)))))) [2020-10-27 18:36:43,837 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L1117(lines 1117 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L1051(lines 1051 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L853(lines 853 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L589(lines 589 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L523(lines 523 530) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L523-2(lines 523 530) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L1052(lines 1052 1063) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L1052-2(lines 1052 1063) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L788(lines 788 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L458(lines 458 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L392(lines 392 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,838 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L194-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L128-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L62-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L987(lines 987 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L921(lines 921 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L393(lines 393 404) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L393-2(lines 393 404) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L1186(lines 1186 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L1649(lines 1649 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L1451(lines 1451 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,839 INFO L274 CegarLoopResult]: For program point L1319(lines 1319 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,840 INFO L274 CegarLoopResult]: For program point L262(lines 262 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,840 INFO L274 CegarLoopResult]: For program point L857(lines 857 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,840 INFO L274 CegarLoopResult]: For program point L659(lines 659 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,840 INFO L274 CegarLoopResult]: For program point L1584(lines 1584 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,840 INFO L274 CegarLoopResult]: For program point L1518(lines 1518 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,840 INFO L274 CegarLoopResult]: For program point L329(lines 329 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,840 INFO L274 CegarLoopResult]: For program point L197-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,840 INFO L274 CegarLoopResult]: For program point L131-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,840 INFO L274 CegarLoopResult]: For program point L65-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,840 INFO L274 CegarLoopResult]: For program point L1387(lines 1387 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,841 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 18:36:43,841 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 18:36:43,841 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 18:36:43,841 INFO L274 CegarLoopResult]: For program point L727(lines 727 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,841 INFO L274 CegarLoopResult]: For program point L1124(lines 1124 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,841 INFO L274 CegarLoopResult]: For program point L596(lines 596 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,841 INFO L274 CegarLoopResult]: For program point L464(lines 464 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,841 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,841 INFO L274 CegarLoopResult]: For program point L1257(lines 1257 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,842 INFO L274 CegarLoopResult]: For program point L200-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,842 INFO L274 CegarLoopResult]: For program point L134-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,842 INFO L274 CegarLoopResult]: For program point L68-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,842 INFO L274 CegarLoopResult]: For program point L927(lines 927 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,842 INFO L274 CegarLoopResult]: For program point L795(lines 795 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,842 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-10-27 18:36:43,842 INFO L274 CegarLoopResult]: For program point L531(lines 531 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,842 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-10-27 18:36:43,842 INFO L274 CegarLoopResult]: For program point L1390(lines 1390 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,842 INFO L274 CegarLoopResult]: For program point L1324(lines 1324 1334) no Hoare annotation was computed. [2020-10-27 18:36:43,843 INFO L274 CegarLoopResult]: For program point L1324-2(lines 1324 1334) no Hoare annotation was computed. [2020-10-27 18:36:43,843 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 18:36:43,843 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,843 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 18:36:43,843 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 18:36:43,843 INFO L274 CegarLoopResult]: For program point L994(lines 994 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,843 INFO L274 CegarLoopResult]: For program point L796(lines 796 805) no Hoare annotation was computed. [2020-10-27 18:36:43,843 INFO L274 CegarLoopResult]: For program point L796-2(lines 796 805) no Hoare annotation was computed. [2020-10-27 18:36:43,843 INFO L274 CegarLoopResult]: For program point L664(lines 664 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,844 INFO L274 CegarLoopResult]: For program point L532(lines 532 543) no Hoare annotation was computed. [2020-10-27 18:36:43,844 INFO L274 CegarLoopResult]: For program point L532-2(lines 532 543) no Hoare annotation was computed. [2020-10-27 18:36:43,844 INFO L274 CegarLoopResult]: For program point L268(lines 268 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,844 INFO L274 CegarLoopResult]: For program point L1524(lines 1524 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,844 INFO L274 CegarLoopResult]: For program point L1458(lines 1458 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,844 INFO L274 CegarLoopResult]: For program point L335(lines 335 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,844 INFO L274 CegarLoopResult]: For program point L203-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,844 INFO L274 CegarLoopResult]: For program point L137-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,844 INFO L274 CegarLoopResult]: For program point L71-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,844 INFO L274 CegarLoopResult]: For program point L864(lines 864 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,845 INFO L270 CegarLoopResult]: At program point L1657(line 1657) the Hoare annotation is: (let ((.cse0 (and (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a0~0 |old(~a0~0)|)))) (and (or (not (<= 0 (+ |old(~a29~0)| 15))) .cse0) (or .cse0 (not (<= (+ |old(~a0~0)| 98) 0))) (or .cse0 (not (<= |old(~a2~0)| 4))) (or (not (<= (+ |old(~a29~0)| 173705) 0)) (not (<= 5 |old(~a2~0)|)) (not (<= |old(~a2~0)| 5)) (not (<= (+ |old(~a0~0)| 147) 0)) (not (<= (+ |old(~a4~0)| 596704) 0))) (or .cse0 (not (<= (+ |old(~a0~0)| 61) 0)) (not (<= 0 (+ |old(~a4~0)| 85)))))) [2020-10-27 18:36:43,845 INFO L274 CegarLoopResult]: For program point L1657-1(line 1657) no Hoare annotation was computed. [2020-10-27 18:36:43,845 INFO L274 CegarLoopResult]: For program point L1591(lines 1591 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,845 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 18:36:43,845 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 18:36:43,845 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 18:36:43,845 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,846 INFO L274 CegarLoopResult]: For program point L1064(lines 1064 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,846 INFO L274 CegarLoopResult]: For program point L932(lines 932 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,846 INFO L274 CegarLoopResult]: For program point L734(lines 734 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,846 INFO L274 CegarLoopResult]: For program point L470(lines 470 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,846 INFO L274 CegarLoopResult]: For program point L338(lines 338 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,846 INFO L274 CegarLoopResult]: For program point L1263(lines 1263 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,846 INFO L274 CegarLoopResult]: For program point L206-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,846 INFO L274 CegarLoopResult]: For program point L140-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,846 INFO L274 CegarLoopResult]: For program point L74-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,846 INFO L274 CegarLoopResult]: For program point L1065(lines 1065 1075) no Hoare annotation was computed. [2020-10-27 18:36:43,847 INFO L274 CegarLoopResult]: For program point L1065-2(lines 1065 1075) no Hoare annotation was computed. [2020-10-27 18:36:43,847 INFO L274 CegarLoopResult]: For program point L405(lines 405 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,847 INFO L274 CegarLoopResult]: For program point L1396(lines 1396 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,847 INFO L274 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-27 18:36:43,847 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 18:36:43,847 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 18:36:43,847 INFO L274 CegarLoopResult]: For program point L1000(lines 1000 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,847 INFO L274 CegarLoopResult]: For program point L670(lines 670 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,847 INFO L274 CegarLoopResult]: For program point L1463(lines 1463 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,847 INFO L274 CegarLoopResult]: For program point L1397(lines 1397 1409) no Hoare annotation was computed. [2020-10-27 18:36:43,848 INFO L274 CegarLoopResult]: For program point L1397-2(lines 1397 1409) no Hoare annotation was computed. [2020-10-27 18:36:43,848 INFO L274 CegarLoopResult]: For program point L1199(lines 1199 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,848 INFO L274 CegarLoopResult]: For program point L737(lines 737 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,848 INFO L274 CegarLoopResult]: For program point L1530(lines 1530 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,848 INFO L274 CegarLoopResult]: For program point L275(lines 275 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,848 INFO L274 CegarLoopResult]: For program point L1266(lines 1266 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,848 INFO L274 CegarLoopResult]: For program point L143-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,848 INFO L274 CegarLoopResult]: For program point L77-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,848 INFO L274 CegarLoopResult]: For program point L870(lines 870 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,848 INFO L274 CegarLoopResult]: For program point L1597(lines 1597 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,849 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 18:36:43,849 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 18:36:43,849 INFO L274 CegarLoopResult]: For program point L937(lines 937 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,849 INFO L274 CegarLoopResult]: For program point L343(lines 343 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,849 INFO L274 CegarLoopResult]: For program point L1136(lines 1136 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,849 INFO L274 CegarLoopResult]: For program point L806(lines 806 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,849 INFO L274 CegarLoopResult]: For program point L608(lines 608 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,849 INFO L274 CegarLoopResult]: For program point L476(lines 476 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,849 INFO L274 CegarLoopResult]: For program point L410(lines 410 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,849 INFO L274 CegarLoopResult]: For program point L344(lines 344 351) no Hoare annotation was computed. [2020-10-27 18:36:43,849 INFO L274 CegarLoopResult]: For program point L1335(lines 1335 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,850 INFO L274 CegarLoopResult]: For program point L344-2(lines 344 351) no Hoare annotation was computed. [2020-10-27 18:36:43,850 INFO L274 CegarLoopResult]: For program point L146-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,850 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1146) no Hoare annotation was computed. [2020-10-27 18:36:43,850 INFO L274 CegarLoopResult]: For program point L80-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,850 INFO L274 CegarLoopResult]: For program point L1137-2(lines 1137 1146) no Hoare annotation was computed. [2020-10-27 18:36:43,850 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,850 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 18:36:43,850 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 18:36:43,850 INFO L274 CegarLoopResult]: For program point L1006(lines 1006 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,850 INFO L274 CegarLoopResult]: For program point L544(lines 544 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,851 INFO L274 CegarLoopResult]: For program point L1535(lines 1535 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,851 INFO L274 CegarLoopResult]: For program point L280(lines 280 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,851 INFO L274 CegarLoopResult]: For program point L1205(lines 1205 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,851 INFO L274 CegarLoopResult]: For program point L677(lines 677 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,851 INFO L274 CegarLoopResult]: For program point L149-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,851 INFO L274 CegarLoopResult]: For program point L83-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,851 INFO L274 CegarLoopResult]: For program point L876(lines 876 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,851 INFO L274 CegarLoopResult]: For program point L744(lines 744 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,851 INFO L274 CegarLoopResult]: For program point L1273(lines 1273 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,851 INFO L274 CegarLoopResult]: For program point L216(lines 216 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,852 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 18:36:43,852 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 18:36:43,852 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,852 INFO L274 CegarLoopResult]: For program point L1604(lines 1604 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,852 INFO L274 CegarLoopResult]: For program point L481(lines 481 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,852 INFO L274 CegarLoopResult]: For program point L1340(lines 1340 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,852 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,852 INFO L274 CegarLoopResult]: For program point L944(lines 944 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,852 INFO L274 CegarLoopResult]: For program point L548(lines 548 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,852 INFO L274 CegarLoopResult]: For program point L152-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,853 INFO L274 CegarLoopResult]: For program point L86-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,853 INFO L274 CegarLoopResult]: For program point L813(lines 813 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,853 INFO L274 CegarLoopResult]: For program point L615(lines 615 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,853 INFO L274 CegarLoopResult]: For program point L549(lines 549 558) no Hoare annotation was computed. [2020-10-27 18:36:43,853 INFO L274 CegarLoopResult]: For program point L549-2(lines 549 558) no Hoare annotation was computed. [2020-10-27 18:36:43,853 INFO L274 CegarLoopResult]: For program point L417(lines 417 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,853 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,853 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 18:36:43,853 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 18:36:43,853 INFO L274 CegarLoopResult]: For program point L1475(lines 1475 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,853 INFO L274 CegarLoopResult]: For program point L352(lines 352 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,854 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,854 INFO L274 CegarLoopResult]: For program point L683(lines 683 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,854 INFO L274 CegarLoopResult]: For program point L1608(lines 1608 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,854 INFO L274 CegarLoopResult]: For program point L1542(lines 1542 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,854 INFO L274 CegarLoopResult]: For program point L1410(lines 1410 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,854 INFO L274 CegarLoopResult]: For program point L287(lines 287 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,854 INFO L274 CegarLoopResult]: For program point L221(lines 221 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,854 INFO L274 CegarLoopResult]: For program point L155-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,854 INFO L274 CegarLoopResult]: For program point L89-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,854 INFO L274 CegarLoopResult]: For program point L882(lines 882 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,855 INFO L274 CegarLoopResult]: For program point L750(lines 750 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,855 INFO L274 CegarLoopResult]: For program point L1279(lines 1279 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,855 INFO L274 CegarLoopResult]: For program point L222(lines 222 230) no Hoare annotation was computed. [2020-10-27 18:36:43,855 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 18:36:43,855 INFO L274 CegarLoopResult]: For program point L222-2(lines 222 230) no Hoare annotation was computed. [2020-10-27 18:36:43,855 INFO L274 CegarLoopResult]: For program point L1147(lines 1147 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,855 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 18:36:43,855 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,855 INFO L274 CegarLoopResult]: For program point L1214(lines 1214 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,855 INFO L274 CegarLoopResult]: For program point L950(lines 950 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,855 INFO L274 CegarLoopResult]: For program point L488(lines 488 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,856 INFO L274 CegarLoopResult]: For program point L158-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,856 INFO L274 CegarLoopResult]: For program point L92-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,856 INFO L274 CegarLoopResult]: For program point L1083(lines 1083 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,856 INFO L274 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-10-27 18:36:43,856 INFO L274 CegarLoopResult]: For program point L26-2(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,856 INFO L274 CegarLoopResult]: For program point L819(lines 819 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,856 INFO L274 CegarLoopResult]: For program point L1480(lines 1480 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,856 INFO L274 CegarLoopResult]: For program point L357(lines 357 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,856 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 18:36:43,856 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 18:36:43,857 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 18:36:43,857 INFO L274 CegarLoopResult]: For program point L1018(lines 1018 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,857 INFO L274 CegarLoopResult]: For program point L622(lines 622 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,857 INFO L274 CegarLoopResult]: For program point L424(lines 424 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,857 INFO L274 CegarLoopResult]: For program point L1415(lines 1415 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,857 INFO L274 CegarLoopResult]: For program point L887(lines 887 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,857 INFO L274 CegarLoopResult]: For program point L689(lines 689 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,857 INFO L274 CegarLoopResult]: For program point L1614(lines 1614 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,857 INFO L274 CegarLoopResult]: For program point L161-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,858 INFO L274 CegarLoopResult]: For program point L1152(lines 1152 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,858 INFO L274 CegarLoopResult]: For program point L95-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,858 INFO L274 CegarLoopResult]: For program point L29-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,858 INFO L274 CegarLoopResult]: For program point L888(lines 888 896) no Hoare annotation was computed. [2020-10-27 18:36:43,858 INFO L274 CegarLoopResult]: For program point L888-2(lines 888 896) no Hoare annotation was computed. [2020-10-27 18:36:43,858 INFO L274 CegarLoopResult]: For program point L756(lines 756 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,858 INFO L274 CegarLoopResult]: For program point L1615(lines 1615 1624) no Hoare annotation was computed. [2020-10-27 18:36:43,858 INFO L274 CegarLoopResult]: For program point L1549(lines 1549 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,858 INFO L274 CegarLoopResult]: For program point L1615-2(lines 1615 1624) no Hoare annotation was computed. [2020-10-27 18:36:43,858 INFO L274 CegarLoopResult]: For program point L294(lines 294 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,859 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,859 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 18:36:43,859 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 18:36:43,859 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 18:36:43,859 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,859 INFO L274 CegarLoopResult]: For program point L559(lines 559 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,859 INFO L274 CegarLoopResult]: For program point L493(lines 493 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,859 INFO L274 CegarLoopResult]: For program point L1484(lines 1484 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,859 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,859 INFO L274 CegarLoopResult]: For program point L1220(lines 1220 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,859 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,860 INFO L274 CegarLoopResult]: For program point L560(lines 560 570) no Hoare annotation was computed. [2020-10-27 18:36:43,860 INFO L274 CegarLoopResult]: For program point L560-2(lines 560 570) no Hoare annotation was computed. [2020-10-27 18:36:43,860 INFO L274 CegarLoopResult]: For program point L1353(lines 1353 1360) no Hoare annotation was computed. [2020-10-27 18:36:43,860 INFO L274 CegarLoopResult]: For program point L1353-2(lines 1353 1360) no Hoare annotation was computed. [2020-10-27 18:36:43,860 INFO L274 CegarLoopResult]: For program point L164-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,860 INFO L274 CegarLoopResult]: For program point L98-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,860 INFO L274 CegarLoopResult]: For program point L32-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,860 INFO L274 CegarLoopResult]: For program point L957(lines 957 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,860 INFO L274 CegarLoopResult]: For program point L363(lines 363 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,860 INFO L274 CegarLoopResult]: For program point L231(lines 231 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,861 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 18:36:43,861 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 18:36:43,861 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 18:36:43,861 INFO L274 CegarLoopResult]: For program point L826(lines 826 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,861 INFO L274 CegarLoopResult]: For program point L430(lines 430 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,861 INFO L274 CegarLoopResult]: For program point L1421(lines 1421 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,861 INFO L274 CegarLoopResult]: For program point L695(lines 695 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,861 INFO L274 CegarLoopResult]: For program point L629(lines 629 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,861 INFO L274 CegarLoopResult]: For program point L1422(lines 1422 1432) no Hoare annotation was computed. [2020-10-27 18:36:43,861 INFO L274 CegarLoopResult]: For program point L1422-2(lines 1422 1432) no Hoare annotation was computed. [2020-10-27 18:36:43,861 INFO L274 CegarLoopResult]: For program point L167-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,862 INFO L274 CegarLoopResult]: For program point L1158(lines 1158 1656) no Hoare annotation was computed. [2020-10-27 18:36:43,862 INFO L274 CegarLoopResult]: For program point L101-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,862 INFO L274 CegarLoopResult]: For program point L35-1(lines 25 1658) no Hoare annotation was computed. [2020-10-27 18:36:43,862 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:36:43,862 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a2~0 1) [2020-10-27 18:36:43,862 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 18:36:43,862 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:36:43,862 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1762 1778) the Hoare annotation is: (or (and (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a0~0 |old(~a0~0)|)) (not (= |old(~a2~0)| 1))) [2020-10-27 18:36:43,862 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1762 1778) no Hoare annotation was computed. [2020-10-27 18:36:43,863 INFO L270 CegarLoopResult]: At program point L1776(line 1776) the Hoare annotation is: (or (not (= |old(~a2~0)| 1)) (<= 0 (+ ~a29~0 15)) (and (<= (+ ~a0~0 61) 0) (<= 0 (+ ~a4~0 85))) (<= ~a2~0 4) (<= (+ ~a0~0 98) 0)) [2020-10-27 18:36:43,863 INFO L274 CegarLoopResult]: For program point L1776-1(line 1776) no Hoare annotation was computed. [2020-10-27 18:36:43,863 INFO L274 CegarLoopResult]: For program point L1773(line 1773) no Hoare annotation was computed. [2020-10-27 18:36:43,863 INFO L270 CegarLoopResult]: At program point L1768-2(lines 1768 1777) the Hoare annotation is: (or (not (= |old(~a2~0)| 1)) (<= 0 (+ ~a29~0 15)) (and (<= (+ ~a0~0 61) 0) (<= 0 (+ ~a4~0 85))) (<= ~a2~0 4) (<= (+ ~a0~0 98) 0)) [2020-10-27 18:36:43,863 INFO L274 CegarLoopResult]: For program point L1768-3(lines 1762 1778) no Hoare annotation was computed. [2020-10-27 18:36:43,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:36:43 BoogieIcfgContainer [2020-10-27 18:36:43,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 18:36:43,892 INFO L168 Benchmark]: Toolchain (without parser) took 202840.51 ms. Allocated memory was 152.0 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 122.4 MB in the beginning and 715.4 MB in the end (delta: -593.0 MB). Peak memory consumption was 950.1 MB. Max. memory is 8.0 GB. [2020-10-27 18:36:43,893 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 152.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 18:36:43,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1137.75 ms. Allocated memory is still 152.0 MB. Free memory was 121.7 MB in the beginning and 81.2 MB in the end (delta: 40.6 MB). Peak memory consumption was 41.3 MB. Max. memory is 8.0 GB. [2020-10-27 18:36:43,894 INFO L168 Benchmark]: Boogie Preprocessor took 220.86 ms. Allocated memory is still 152.0 MB. Free memory was 81.2 MB in the beginning and 69.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-10-27 18:36:43,895 INFO L168 Benchmark]: RCFGBuilder took 3727.53 ms. Allocated memory was 152.0 MB in the beginning and 286.3 MB in the end (delta: 134.2 MB). Free memory was 69.1 MB in the beginning and 183.7 MB in the end (delta: -114.6 MB). Peak memory consumption was 45.8 MB. Max. memory is 8.0 GB. [2020-10-27 18:36:43,896 INFO L168 Benchmark]: TraceAbstraction took 197738.43 ms. Allocated memory was 286.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 183.2 MB in the beginning and 715.4 MB in the end (delta: -532.2 MB). Peak memory consumption was 876.0 MB. Max. memory is 8.0 GB. [2020-10-27 18:36:43,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 152.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1137.75 ms. Allocated memory is still 152.0 MB. Free memory was 121.7 MB in the beginning and 81.2 MB in the end (delta: 40.6 MB). Peak memory consumption was 41.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 220.86 ms. Allocated memory is still 152.0 MB. Free memory was 81.2 MB in the beginning and 69.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3727.53 ms. Allocated memory was 152.0 MB in the beginning and 286.3 MB in the end (delta: 134.2 MB). Free memory was 69.1 MB in the beginning and 183.7 MB in the end (delta: -114.6 MB). Peak memory consumption was 45.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 197738.43 ms. Allocated memory was 286.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 183.2 MB in the beginning and 715.4 MB in the end (delta: -532.2 MB). Peak memory consumption was 876.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 1768]: Loop Invariant Derived loop invariant: (((!(\old(a2) == 1) || 0 <= a29 + 15) || (a0 + 61 <= 0 && 0 <= a4 + 85)) || a2 <= 4) || a0 + 98 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 441 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 184.5s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 132.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 908 SDtfs, 10158 SDslu, 1070 SDs, 0 SdLazy, 28744 SolverSat, 3775 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 99.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 98 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21631occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 9315 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 1604 PreInvPairs, 1875 NumberOfFragments, 454 HoareAnnotationTreeSize, 1604 FomulaSimplifications, 2293701 FormulaSimplificationTreeSizeReduction, 4.5s HoareSimplificationTime, 11 FomulaSimplificationsInter, 37460 FormulaSimplificationTreeSizeReductionInter, 8.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 47.2s InterpolantComputationTime, 2997 NumberOfCodeBlocks, 2997 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2984 ConstructedInterpolants, 0 QuantifiedInterpolants, 1503106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 1269/1288 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...