/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=SHALLOWEST --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/Problem02_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 20:39:10,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 20:39:10,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 20:39:10,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 20:39:10,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 20:39:10,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 20:39:10,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 20:39:10,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 20:39:10,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 20:39:10,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 20:39:10,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 20:39:10,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 20:39:10,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 20:39:10,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 20:39:10,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 20:39:10,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 20:39:10,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 20:39:10,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 20:39:10,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 20:39:10,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 20:39:10,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 20:39:10,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 20:39:10,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 20:39:10,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 20:39:10,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 20:39:10,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 20:39:10,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 20:39:10,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 20:39:10,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 20:39:10,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 20:39:10,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 20:39:10,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 20:39:10,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 20:39:10,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 20:39:10,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 20:39:10,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 20:39:10,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 20:39:10,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 20:39:10,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 20:39:10,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 20:39:10,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 20:39:10,703 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 [2020-10-26 20:39:10,754 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 20:39:10,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 20:39:10,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 20:39:10,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 20:39:10,759 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 20:39:10,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 20:39:10,760 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 20:39:10,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 20:39:10,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 20:39:10,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 20:39:10,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 20:39:10,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 20:39:10,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 20:39:10,762 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 20:39:10,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 20:39:10,763 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 20:39:10,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 20:39:10,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 20:39:10,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 20:39:10,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 20:39:10,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 20:39:10,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 20:39:10,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 20:39:10,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 20:39:10,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 20:39:10,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 20:39:10,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 20:39:10,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 20:39:10,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 20:39:10,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 20:39:11,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 20:39:11,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 20:39:11,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 20:39:11,268 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 20:39:11,268 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 20:39:11,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2020-10-26 20:39:11,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/832b1ef3a/608a1cf0052c4c6c95c1b28609619ee0/FLAG4f630f13c [2020-10-26 20:39:12,068 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 20:39:12,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2020-10-26 20:39:12,086 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/832b1ef3a/608a1cf0052c4c6c95c1b28609619ee0/FLAG4f630f13c [2020-10-26 20:39:12,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/832b1ef3a/608a1cf0052c4c6c95c1b28609619ee0 [2020-10-26 20:39:12,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 20:39:12,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 20:39:12,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 20:39:12,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 20:39:12,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 20:39:12,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:39:12" (1/1) ... [2020-10-26 20:39:12,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69278ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:12, skipping insertion in model container [2020-10-26 20:39:12,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:39:12" (1/1) ... [2020-10-26 20:39:12,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 20:39:12,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 20:39:12,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:39:12,839 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 20:39:12,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:39:12,989 INFO L208 MainTranslator]: Completed translation [2020-10-26 20:39:12,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:12 WrapperNode [2020-10-26 20:39:12,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 20:39:12,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 20:39:12,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 20:39:12,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 20:39:13,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:12" (1/1) ... [2020-10-26 20:39:13,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:12" (1/1) ... [2020-10-26 20:39:13,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:12" (1/1) ... [2020-10-26 20:39:13,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:12" (1/1) ... [2020-10-26 20:39:13,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:12" (1/1) ... [2020-10-26 20:39:13,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:12" (1/1) ... [2020-10-26 20:39:13,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:12" (1/1) ... [2020-10-26 20:39:13,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 20:39:13,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 20:39:13,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 20:39:13,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 20:39:13,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:12" (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 [2020-10-26 20:39:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 20:39:13,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 20:39:13,240 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 20:39:13,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 20:39:13,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 20:39:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 20:39:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 20:39:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 20:39:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 20:39:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 20:39:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 20:39:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 20:39:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 20:39:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 20:39:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 20:39:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 20:39:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 20:39:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 20:39:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 20:39:14,714 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 20:39:14,714 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 20:39:14,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:39:14 BoogieIcfgContainer [2020-10-26 20:39:14,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 20:39:14,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 20:39:14,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 20:39:14,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 20:39:14,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:39:12" (1/3) ... [2020-10-26 20:39:14,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f76ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:39:14, skipping insertion in model container [2020-10-26 20:39:14,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:12" (2/3) ... [2020-10-26 20:39:14,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f76ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:39:14, skipping insertion in model container [2020-10-26 20:39:14,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:39:14" (3/3) ... [2020-10-26 20:39:14,728 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label35.c [2020-10-26 20:39:14,742 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 20:39:14,749 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 20:39:14,764 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 20:39:14,799 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 20:39:14,799 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 20:39:14,799 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 20:39:14,799 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 20:39:14,800 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 20:39:14,800 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 20:39:14,800 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 20:39:14,800 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 20:39:14,828 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-26 20:39:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-26 20:39:14,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:14,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:14,843 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:14,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:14,850 INFO L82 PathProgramCache]: Analyzing trace with hash -181149435, now seen corresponding path program 1 times [2020-10-26 20:39:14,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:14,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096377566] [2020-10-26 20:39:14,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:15,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:15,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:16,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:16,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-26 20:39:16,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:16,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1621 [2020-10-26 20:39:16,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:39:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-26 20:39:16,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 20:39:17,014 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:39:17,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:17,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:17,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:17,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:17,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:17,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-26 20:39:17,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:17,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:39:17,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096377566] [2020-10-26 20:39:17,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:39:17,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 20:39:17,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600841128] [2020-10-26 20:39:17,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 20:39:17,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:17,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 20:39:17,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 20:39:17,140 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-26 20:39:19,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:19,329 INFO L93 Difference]: Finished difference Result 632 states and 1079 transitions. [2020-10-26 20:39:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 20:39:19,331 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2020-10-26 20:39:19,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:19,348 INFO L225 Difference]: With dead ends: 632 [2020-10-26 20:39:19,348 INFO L226 Difference]: Without dead ends: 328 [2020-10-26 20:39:19,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 20:39:19,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-26 20:39:19,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2020-10-26 20:39:19,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-26 20:39:19,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 466 transitions. [2020-10-26 20:39:19,441 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 466 transitions. Word has length 101 [2020-10-26 20:39:19,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:19,442 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 466 transitions. [2020-10-26 20:39:19,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 20:39:19,442 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 466 transitions. [2020-10-26 20:39:19,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-26 20:39:19,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:19,462 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-26 20:39:19,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 20:39:19,463 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:19,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:19,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1003356908, now seen corresponding path program 1 times [2020-10-26 20:39:19,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:19,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790459767] [2020-10-26 20:39:19,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:19,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:19,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:20,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:20,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:20,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 20:39:20,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:39:20,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1165 [2020-10-26 20:39:20,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:20,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:39:20,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:20,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-26 20:39:20,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:20,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:20,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:20,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:20,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:20,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:20,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 20:39:20,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:20,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:20,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:20,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:20,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:20,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:39:20,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:20,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-26 20:39:20,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:20,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:20,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-26 20:39:20,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:21,030 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:39:21,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790459767] [2020-10-26 20:39:21,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:39:21,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:39:21,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037406408] [2020-10-26 20:39:21,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:39:21,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:21,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:39:21,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:39:21,035 INFO L87 Difference]: Start difference. First operand 320 states and 466 transitions. Second operand 7 states. [2020-10-26 20:39:21,611 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:39:23,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:23,217 INFO L93 Difference]: Finished difference Result 980 states and 1457 transitions. [2020-10-26 20:39:23,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:39:23,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-10-26 20:39:23,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:23,227 INFO L225 Difference]: With dead ends: 980 [2020-10-26 20:39:23,227 INFO L226 Difference]: Without dead ends: 666 [2020-10-26 20:39:23,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:39:23,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2020-10-26 20:39:23,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 637. [2020-10-26 20:39:23,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-10-26 20:39:23,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 902 transitions. [2020-10-26 20:39:23,329 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 902 transitions. Word has length 123 [2020-10-26 20:39:23,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:23,329 INFO L481 AbstractCegarLoop]: Abstraction has 637 states and 902 transitions. [2020-10-26 20:39:23,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:39:23,329 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 902 transitions. [2020-10-26 20:39:23,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-26 20:39:23,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:23,335 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:23,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 20:39:23,335 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:23,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:23,336 INFO L82 PathProgramCache]: Analyzing trace with hash 893700188, now seen corresponding path program 1 times [2020-10-26 20:39:23,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:23,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600662023] [2020-10-26 20:39:23,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:23,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:23,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:24,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:24,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:24,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-26 20:39:24,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:39:24,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1151 [2020-10-26 20:39:24,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:39:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-26 20:39:24,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:24,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:24,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:24,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:24,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:24,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:24,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-26 20:39:24,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:24,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:24,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:24,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:24,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:24,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:24,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:24,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:24,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-26 20:39:24,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:24,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-26 20:39:24,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-26 20:39:24,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:39:24,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600662023] [2020-10-26 20:39:24,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:39:24,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:39:24,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345030833] [2020-10-26 20:39:24,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:39:24,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:24,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:39:24,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:39:24,924 INFO L87 Difference]: Start difference. First operand 637 states and 902 transitions. Second operand 7 states. [2020-10-26 20:39:26,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:26,968 INFO L93 Difference]: Finished difference Result 1907 states and 2815 transitions. [2020-10-26 20:39:26,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:39:26,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-10-26 20:39:26,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:26,979 INFO L225 Difference]: With dead ends: 1907 [2020-10-26 20:39:26,979 INFO L226 Difference]: Without dead ends: 1276 [2020-10-26 20:39:26,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:39:26,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-10-26 20:39:27,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1254. [2020-10-26 20:39:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2020-10-26 20:39:27,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1723 transitions. [2020-10-26 20:39:27,046 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1723 transitions. Word has length 127 [2020-10-26 20:39:27,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:27,047 INFO L481 AbstractCegarLoop]: Abstraction has 1254 states and 1723 transitions. [2020-10-26 20:39:27,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:39:27,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1723 transitions. [2020-10-26 20:39:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-26 20:39:27,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:27,053 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, 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] [2020-10-26 20:39:27,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 20:39:27,054 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:27,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:27,055 INFO L82 PathProgramCache]: Analyzing trace with hash -36654241, now seen corresponding path program 1 times [2020-10-26 20:39:27,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:27,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403583866] [2020-10-26 20:39:27,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:27,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:27,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:27,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:28,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:29,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:30,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:30,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-26 20:39:30,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 20:39:30,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3388 [2020-10-26 20:39:30,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:30,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:39:30,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:30,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-26 20:39:30,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:39:30,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:30,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:30,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:30,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:30,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:30,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-26 20:39:30,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:30,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:30,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:30,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:30,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:30,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-26 20:39:30,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:30,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-26 20:39:30,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:30,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:30,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-26 20:39:30,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 20:39:30,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-26 20:39:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:30,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:30,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:30,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-26 20:39:30,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:30,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-26 20:39:30,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:30,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:30,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-26 20:39:30,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:30,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:39:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 20:39:30,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403583866] [2020-10-26 20:39:30,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:30,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:39:30,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449187346] [2020-10-26 20:39:30,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:39:30,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:30,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:39:30,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:39:30,943 INFO L87 Difference]: Start difference. First operand 1254 states and 1723 transitions. Second operand 7 states. [2020-10-26 20:39:32,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:32,979 INFO L93 Difference]: Finished difference Result 3306 states and 4632 transitions. [2020-10-26 20:39:32,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:39:32,980 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 159 [2020-10-26 20:39:32,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:32,994 INFO L225 Difference]: With dead ends: 3306 [2020-10-26 20:39:32,994 INFO L226 Difference]: Without dead ends: 2058 [2020-10-26 20:39:33,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:39:33,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2058 states. [2020-10-26 20:39:33,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 2024. [2020-10-26 20:39:33,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2024 states. [2020-10-26 20:39:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2606 transitions. [2020-10-26 20:39:33,097 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2606 transitions. Word has length 159 [2020-10-26 20:39:33,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:33,098 INFO L481 AbstractCegarLoop]: Abstraction has 2024 states and 2606 transitions. [2020-10-26 20:39:33,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:39:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2606 transitions. [2020-10-26 20:39:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-26 20:39:33,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:33,106 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:33,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 20:39:33,106 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:33,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:33,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1376330236, now seen corresponding path program 1 times [2020-10-26 20:39:33,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:33,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156000498] [2020-10-26 20:39:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:33,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:33,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:33,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:33,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:33,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-26 20:39:33,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:39:33,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 773 [2020-10-26 20:39:33,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:33,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:33,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:39:33,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-26 20:39:33,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:34,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:34,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:34,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:34,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:34,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:34,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:39:34,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:34,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:34,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:34,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:34,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:34,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:34,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:34,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:34,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:39:34,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:34,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:39:34,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:34,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:34,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:34,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:34,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:34,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:39:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:34,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:34,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:34,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:39:34,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:34,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-26 20:39:34,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:39:34,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:34,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-26 20:39:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:34,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:34,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:34,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-26 20:39:34,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:34,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-26 20:39:34,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:34,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:34,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:34,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 20:39:34,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:39:34,298 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-26 20:39:34,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156000498] [2020-10-26 20:39:34,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:34,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:39:34,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322576333] [2020-10-26 20:39:34,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:39:34,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:34,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:39:34,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:39:34,303 INFO L87 Difference]: Start difference. First operand 2024 states and 2606 transitions. Second operand 7 states. [2020-10-26 20:39:36,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:36,384 INFO L93 Difference]: Finished difference Result 3865 states and 4967 transitions. [2020-10-26 20:39:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 20:39:36,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-10-26 20:39:36,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:36,395 INFO L225 Difference]: With dead ends: 3865 [2020-10-26 20:39:36,395 INFO L226 Difference]: Without dead ends: 1399 [2020-10-26 20:39:36,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:39:36,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2020-10-26 20:39:36,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1387. [2020-10-26 20:39:36,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1387 states. [2020-10-26 20:39:36,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1613 transitions. [2020-10-26 20:39:36,452 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1613 transitions. Word has length 166 [2020-10-26 20:39:36,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:36,452 INFO L481 AbstractCegarLoop]: Abstraction has 1387 states and 1613 transitions. [2020-10-26 20:39:36,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:39:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1613 transitions. [2020-10-26 20:39:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-26 20:39:36,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:36,458 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 20:39:36,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 20:39:36,459 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:36,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:36,459 INFO L82 PathProgramCache]: Analyzing trace with hash -576888648, now seen corresponding path program 1 times [2020-10-26 20:39:36,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:36,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602020529] [2020-10-26 20:39:36,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:36,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:36,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:37,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:37,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:37,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:38,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:38,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-26 20:39:38,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 20:39:38,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1925 [2020-10-26 20:39:38,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:39:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-26 20:39:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-26 20:39:38,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:39:38,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:38,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:38,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:38,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:38,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:38,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 20:39:38,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:38,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:38,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:38,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:38,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:38,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:38,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:38,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:38,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:39:38,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:38,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-26 20:39:38,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-26 20:39:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:38,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:39:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:38,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:38,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:38,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:38,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-26 20:39:38,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:38,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-26 20:39:38,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-26 20:39:38,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:38,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-26 20:39:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:38,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:38,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:38,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-26 20:39:38,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:38,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-26 20:39:38,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 20:39:38,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-26 20:39:38,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602020529] [2020-10-26 20:39:38,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:38,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:39:38,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125761916] [2020-10-26 20:39:38,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:39:38,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:38,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:39:38,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:39:38,893 INFO L87 Difference]: Start difference. First operand 1387 states and 1613 transitions. Second operand 7 states. [2020-10-26 20:39:40,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:40,836 INFO L93 Difference]: Finished difference Result 2653 states and 3162 transitions. [2020-10-26 20:39:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:39:40,838 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-10-26 20:39:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:40,845 INFO L225 Difference]: With dead ends: 2653 [2020-10-26 20:39:40,846 INFO L226 Difference]: Without dead ends: 1262 [2020-10-26 20:39:40,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:39:40,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2020-10-26 20:39:40,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1230. [2020-10-26 20:39:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1230 states. [2020-10-26 20:39:40,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1388 transitions. [2020-10-26 20:39:40,917 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1388 transitions. Word has length 180 [2020-10-26 20:39:40,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:40,919 INFO L481 AbstractCegarLoop]: Abstraction has 1230 states and 1388 transitions. [2020-10-26 20:39:40,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:39:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1388 transitions. [2020-10-26 20:39:40,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-26 20:39:40,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:40,925 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:40,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 20:39:40,926 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:40,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:40,926 INFO L82 PathProgramCache]: Analyzing trace with hash -560041419, now seen corresponding path program 1 times [2020-10-26 20:39:40,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:40,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902845581] [2020-10-26 20:39:40,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:40,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:41,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:41,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:42,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:43,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:43,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-26 20:39:43,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:39:43,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2084 [2020-10-26 20:39:43,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:43,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:43,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-26 20:39:43,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 20:39:43,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:43,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:43,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:43,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:43,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:43,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:43,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:39:43,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:43,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:43,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:43,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:43,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:43,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:43,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:43,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:39:43,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:43,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:39:43,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:43,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:43,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:43,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-26 20:39:43,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:43,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:39:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:43,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:43,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:43,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 20:39:43,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:43,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-26 20:39:43,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:43,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:43,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:43,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 20:39:43,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 20:39:43,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902845581] [2020-10-26 20:39:43,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:43,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:39:43,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774736788] [2020-10-26 20:39:43,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:39:43,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:43,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:39:43,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:39:43,415 INFO L87 Difference]: Start difference. First operand 1230 states and 1388 transitions. Second operand 7 states. [2020-10-26 20:39:45,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:45,397 INFO L93 Difference]: Finished difference Result 2511 states and 2952 transitions. [2020-10-26 20:39:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 20:39:45,398 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-10-26 20:39:45,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:45,408 INFO L225 Difference]: With dead ends: 2511 [2020-10-26 20:39:45,409 INFO L226 Difference]: Without dead ends: 1431 [2020-10-26 20:39:45,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:39:45,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2020-10-26 20:39:45,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1385. [2020-10-26 20:39:45,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1385 states. [2020-10-26 20:39:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1555 transitions. [2020-10-26 20:39:45,466 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1555 transitions. Word has length 182 [2020-10-26 20:39:45,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:45,466 INFO L481 AbstractCegarLoop]: Abstraction has 1385 states and 1555 transitions. [2020-10-26 20:39:45,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:39:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1555 transitions. [2020-10-26 20:39:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-26 20:39:45,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:45,472 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:45,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 20:39:45,473 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:45,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:45,473 INFO L82 PathProgramCache]: Analyzing trace with hash 630516733, now seen corresponding path program 1 times [2020-10-26 20:39:45,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:45,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341635640] [2020-10-26 20:39:45,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:45,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:45,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:45,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:46,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:46,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-26 20:39:46,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:39:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 918 [2020-10-26 20:39:46,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-26 20:39:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 20:39:46,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:46,582 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:39:46,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:46,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:46,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:46,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:46,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:46,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:39:46,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:46,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:46,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:46,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:46,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:46,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:39:46,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:46,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 20:39:46,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-26 20:39:46,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:46,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:39:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:46,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:46,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:46,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 20:39:46,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:46,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-26 20:39:46,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:46,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 20:39:46,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 20:39:46,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341635640] [2020-10-26 20:39:46,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:46,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:39:46,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456162241] [2020-10-26 20:39:46,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:39:46,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:46,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:39:46,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:39:46,834 INFO L87 Difference]: Start difference. First operand 1385 states and 1555 transitions. Second operand 7 states. [2020-10-26 20:39:47,076 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-26 20:39:48,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:48,789 INFO L93 Difference]: Finished difference Result 2802 states and 3177 transitions. [2020-10-26 20:39:48,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:39:48,790 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 186 [2020-10-26 20:39:48,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:48,800 INFO L225 Difference]: With dead ends: 2802 [2020-10-26 20:39:48,800 INFO L226 Difference]: Without dead ends: 1567 [2020-10-26 20:39:48,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:39:48,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2020-10-26 20:39:48,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1545. [2020-10-26 20:39:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1545 states. [2020-10-26 20:39:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1731 transitions. [2020-10-26 20:39:48,872 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1731 transitions. Word has length 186 [2020-10-26 20:39:48,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:48,873 INFO L481 AbstractCegarLoop]: Abstraction has 1545 states and 1731 transitions. [2020-10-26 20:39:48,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:39:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1731 transitions. [2020-10-26 20:39:48,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-26 20:39:48,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:48,880 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 20:39:48,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 20:39:48,881 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:48,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:48,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1761952475, now seen corresponding path program 1 times [2020-10-26 20:39:48,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:48,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431808362] [2020-10-26 20:39:48,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:48,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:49,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-26 20:39:49,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:49,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 594 [2020-10-26 20:39:49,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:49,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:49,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-26 20:39:49,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-26 20:39:49,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:49,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:49,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:49,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:49,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:49,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:39:49,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:49,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:49,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:49,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:49,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-26 20:39:49,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:49,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 20:39:49,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:49,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:49,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-26 20:39:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:49,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:49,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 20:39:49,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:49,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-26 20:39:49,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:49,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:49,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:49,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-26 20:39:49,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:49,866 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-26 20:39:49,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431808362] [2020-10-26 20:39:49,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:49,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 20:39:49,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556177441] [2020-10-26 20:39:49,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 20:39:49,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:49,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 20:39:49,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 20:39:49,868 INFO L87 Difference]: Start difference. First operand 1545 states and 1731 transitions. Second operand 5 states. [2020-10-26 20:39:51,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:51,295 INFO L93 Difference]: Finished difference Result 3523 states and 4034 transitions. [2020-10-26 20:39:51,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 20:39:51,296 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2020-10-26 20:39:51,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:51,297 INFO L225 Difference]: With dead ends: 3523 [2020-10-26 20:39:51,297 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 20:39:51,303 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 [2020-10-26 20:39:51,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 20:39:51,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 20:39:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 20:39:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 20:39:51,305 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-10-26 20:39:51,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:51,305 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 20:39:51,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 20:39:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 20:39:51,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 20:39:51,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 20:39:51,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 20:39:51,821 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 132 [2020-10-26 20:39:52,035 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 132 [2020-10-26 20:39:52,163 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2020-10-26 20:39:52,266 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 29 [2020-10-26 20:39:52,876 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 48 [2020-10-26 20:39:53,274 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 34 [2020-10-26 20:39:53,589 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 34 [2020-10-26 20:39:53,593 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 20:39:53,594 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 20:39:53,594 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 20:39:53,594 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 20:39:53,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:39:53,595 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-26 20:39:53,595 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:39:53,595 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-26 20:39:53,595 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-26 20:39:53,595 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-26 20:39:53,595 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-26 20:39:53,595 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-26 20:39:53,595 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-26 20:39:53,596 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-26 20:39:53,596 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:39:53,596 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-26 20:39:53,596 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:39:53,596 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-26 20:39:53,596 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:39:53,596 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:39:53,597 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-26 20:39:53,597 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-26 20:39:53,597 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,597 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,597 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,597 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,597 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,597 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-26 20:39:53,597 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-26 20:39:53,598 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-26 20:39:53,598 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-26 20:39:53,598 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-26 20:39:53,598 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-26 20:39:53,598 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-26 20:39:53,598 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-26 20:39:53,598 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-26 20:39:53,598 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-26 20:39:53,599 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:39:53,599 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:39:53,599 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-26 20:39:53,599 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,599 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,599 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,599 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,599 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-26 20:39:53,599 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,600 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-26 20:39:53,600 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-26 20:39:53,600 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-26 20:39:53,600 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-26 20:39:53,600 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-26 20:39:53,600 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-26 20:39:53,600 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-26 20:39:53,600 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:39:53,600 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:39:53,600 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-26 20:39:53,601 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-26 20:39:53,601 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-26 20:39:53,601 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:39:53,601 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:39:53,601 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-26 20:39:53,601 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,601 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,601 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,602 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,602 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,602 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:39:53,602 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-26 20:39:53,602 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:39:53,602 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-26 20:39:53,602 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-26 20:39:53,602 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-26 20:39:53,602 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-26 20:39:53,603 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-26 20:39:53,603 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-26 20:39:53,603 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-26 20:39:53,603 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-26 20:39:53,603 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,603 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,603 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,603 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,604 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,604 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-26 20:39:53,604 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-26 20:39:53,604 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-26 20:39:53,604 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-26 20:39:53,604 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-26 20:39:53,604 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-26 20:39:53,604 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-26 20:39:53,604 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-26 20:39:53,604 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-26 20:39:53,605 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-26 20:39:53,605 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-26 20:39:53,605 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-26 20:39:53,605 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-26 20:39:53,605 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,605 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,605 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,605 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,605 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,606 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-26 20:39:53,606 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-26 20:39:53,606 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-26 20:39:53,606 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-26 20:39:53,606 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-26 20:39:53,606 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-26 20:39:53,606 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-26 20:39:53,606 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-26 20:39:53,606 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-26 20:39:53,607 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,607 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,607 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-26 20:39:53,607 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-26 20:39:53,607 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-26 20:39:53,607 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-26 20:39:53,607 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:39:53,607 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-26 20:39:53,607 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:39:53,607 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,608 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,608 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,608 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,608 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-26 20:39:53,608 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,608 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:39:53,608 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,608 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:39:53,608 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:39:53,609 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:39:53,609 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-26 20:39:53,609 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-26 20:39:53,609 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-26 20:39:53,609 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-26 20:39:53,609 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-26 20:39:53,609 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-26 20:39:53,609 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-26 20:39:53,609 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-26 20:39:53,609 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-26 20:39:53,610 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-26 20:39:53,610 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-26 20:39:53,610 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,610 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,610 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,610 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,610 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,610 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,610 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-26 20:39:53,610 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-26 20:39:53,611 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-26 20:39:53,611 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-26 20:39:53,611 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-26 20:39:53,611 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-26 20:39:53,611 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-26 20:39:53,611 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-26 20:39:53,611 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-26 20:39:53,611 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-26 20:39:53,611 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-26 20:39:53,612 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,612 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,612 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,612 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,612 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,612 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,612 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-26 20:39:53,612 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-26 20:39:53,612 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-26 20:39:53,613 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-26 20:39:53,613 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-26 20:39:53,613 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-26 20:39:53,613 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-26 20:39:53,613 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse7 (not (= |old(~a25~0)| 1))) (.cse3 (= ~a17~0 8)) (.cse9 (= ~a25~0 1)) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse6 (not (= 0 |old(~a25~0)|))) (.cse10 (not (<= |old(~a17~0)| 7))) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse7 (and .cse0 .cse8 .cse1 .cse9 .cse4) .cse10 (not (= |old(~a11~0)| 1))) (or .cse7 (and .cse0 .cse1 .cse3 .cse9 .cse4) .cse5) (or (and .cse0 .cse8 .cse1 .cse2 .cse4) .cse10 .cse6) (or (not (= |old(~a19~0)| 1)) .cse10 (and .cse8 .cse1 (= ~a19~0 1) .cse2 (= 7 ~a28~0)) (not (= 7 |old(~a28~0)|))))) [2020-10-26 20:39:53,614 INFO L270 CegarLoopResult]: At program point L456(line 456) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~a25~0)|))) (.cse0 (not (= 8 |old(~a17~0)|))) (.cse3 (not (= |old(~a25~0)| 1))) (.cse2 (not (<= |old(~a17~0)| 7)))) (and (or .cse0 .cse1) (or .cse2 .cse1) (or (not (= |old(~a19~0)| 1)) .cse2 (not (= 7 |old(~a28~0)|))) (or .cse3 .cse0) (or .cse3 .cse2 (not (= |old(~a11~0)| 1))))) [2020-10-26 20:39:53,614 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-26 20:39:53,614 INFO L274 CegarLoopResult]: For program point L456-1(line 456) no Hoare annotation was computed. [2020-10-26 20:39:53,614 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-26 20:39:53,614 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-26 20:39:53,614 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-26 20:39:53,614 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-26 20:39:53,614 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-26 20:39:53,614 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,615 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,615 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,615 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,615 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,615 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,615 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-26 20:39:53,615 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-26 20:39:53,615 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-26 20:39:53,615 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-26 20:39:53,616 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-26 20:39:53,616 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-26 20:39:53,616 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-26 20:39:53,616 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-26 20:39:53,616 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-26 20:39:53,616 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-26 20:39:53,616 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-26 20:39:53,616 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-26 20:39:53,616 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-26 20:39:53,616 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,617 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,617 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,617 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,617 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,617 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,617 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-26 20:39:53,617 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-26 20:39:53,617 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-26 20:39:53,617 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-26 20:39:53,617 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-26 20:39:53,617 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-26 20:39:53,618 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-26 20:39:53,618 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-26 20:39:53,618 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-26 20:39:53,618 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-26 20:39:53,618 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-26 20:39:53,618 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:39:53,618 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:39:53,618 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-26 20:39:53,618 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-26 20:39:53,618 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-26 20:39:53,619 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,619 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,619 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,619 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,619 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:53,619 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-26 20:39:53,619 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-26 20:39:53,619 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-26 20:39:53,619 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-26 20:39:53,619 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:39:53,620 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (= ~a17~0 8) (= 7 ~a28~0)) [2020-10-26 20:39:53,620 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 20:39:53,620 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:39:53,620 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse2 (= ~a25~0 0)) (.cse3 (= ~a17~0 8)) (.cse1 (= ~a25~0 1))) (or (and (= ~a19~0 1) (= 7 ~a28~0) .cse0) (and .cse1 (= ~a11~0 1) .cse0) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse0) (and .cse2 .cse3) (not (= 7 |old(~a28~0)|)) (and .cse3 .cse1))) [2020-10-26 20:39:53,620 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= 7 |old(~a28~0)|))) [2020-10-26 20:39:53,620 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:39:53,621 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:39:53,621 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse2 (= ~a25~0 0)) (.cse3 (= ~a17~0 8)) (.cse1 (= ~a25~0 1))) (or (and (= ~a19~0 1) (= 7 ~a28~0) .cse0) (and .cse1 (= ~a11~0 1) .cse0) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse0) (and .cse2 .cse3) (not (= 7 |old(~a28~0)|)) (and .cse3 .cse1))) [2020-10-26 20:39:53,621 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-26 20:39:53,621 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-26 20:39:53,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:39:53 BoogieIcfgContainer [2020-10-26 20:39:53,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 20:39:53,647 INFO L168 Benchmark]: Toolchain (without parser) took 41350.54 ms. Allocated memory was 156.2 MB in the beginning and 716.2 MB in the end (delta: 559.9 MB). Free memory was 129.6 MB in the beginning and 658.2 MB in the end (delta: -528.6 MB). Peak memory consumption was 425.7 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:53,648 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 156.2 MB. Free memory is still 128.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 20:39:53,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.17 ms. Allocated memory is still 156.2 MB. Free memory was 128.9 MB in the beginning and 102.9 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:53,649 INFO L168 Benchmark]: Boogie Preprocessor took 154.60 ms. Allocated memory is still 156.2 MB. Free memory was 102.9 MB in the beginning and 133.2 MB in the end (delta: -30.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:53,650 INFO L168 Benchmark]: RCFGBuilder took 1569.35 ms. Allocated memory was 156.2 MB in the beginning and 190.8 MB in the end (delta: 34.6 MB). Free memory was 133.2 MB in the beginning and 149.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 87.1 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:53,651 INFO L168 Benchmark]: TraceAbstraction took 38925.83 ms. Allocated memory was 190.8 MB in the beginning and 716.2 MB in the end (delta: 525.3 MB). Free memory was 149.5 MB in the beginning and 658.2 MB in the end (delta: -508.7 MB). Peak memory consumption was 409.3 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:53,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 156.2 MB. Free memory is still 128.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 688.17 ms. Allocated memory is still 156.2 MB. Free memory was 128.9 MB in the beginning and 102.9 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 154.60 ms. Allocated memory is still 156.2 MB. Free memory was 102.9 MB in the beginning and 133.2 MB in the end (delta: -30.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1569.35 ms. Allocated memory was 156.2 MB in the beginning and 190.8 MB in the end (delta: 34.6 MB). Free memory was 133.2 MB in the beginning and 149.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 87.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38925.83 ms. Allocated memory was 190.8 MB in the beginning and 716.2 MB in the end (delta: 525.3 MB). Free memory was 149.5 MB in the beginning and 658.2 MB in the end (delta: -508.7 MB). Peak memory consumption was 409.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((a19 == 1 && 7 == a28) && a17 <= 7) || ((a25 == 1 && a11 == 1) && a17 <= 7)) || !(\old(a19) == 1)) || !(8 == \old(a17))) || !(0 == \old(a25))) || (a25 == 0 && a17 <= 7)) || (a25 == 0 && a17 == 8)) || !(7 == \old(a28))) || (a17 == 8 && a25 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.5s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 337 SDtfs, 3479 SDslu, 509 SDs, 0 SdLazy, 8260 SolverSat, 1237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2024occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 205 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 171 PreInvPairs, 207 NumberOfFragments, 434 HoareAnnotationTreeSize, 171 FomulaSimplifications, 39524 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4720 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 1431 NumberOfCodeBlocks, 1431 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1422 ConstructedInterpolants, 0 QuantifiedInterpolants, 613286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 625/662 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...