/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:26:14,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:26:14,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:26:14,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:26:14,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:26:14,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:26:14,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:26:14,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:26:14,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:26:14,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:26:14,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:26:14,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:26:14,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:26:14,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:26:14,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:26:14,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:26:14,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:26:14,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:26:14,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:26:14,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:26:14,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:26:14,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:26:14,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:26:14,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:26:14,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:26:14,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:26:14,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:26:14,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:26:14,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:26:14,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:26:14,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:26:14,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:26:14,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:26:14,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:26:14,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:26:14,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:26:14,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:26:14,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:26:14,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:26:14,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:26:14,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:26:14,855 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 [2020-09-21 12:26:14,904 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:26:14,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:26:14,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:26:14,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:26:14,907 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:26:14,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:26:14,908 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:26:14,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:26:14,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:26:14,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:26:14,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:26:14,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:26:14,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:26:14,911 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:26:14,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:26:14,911 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:26:14,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:26:14,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:26:14,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:26:14,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:26:14,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:26:14,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:26:14,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:26:14,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:26:14,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:26:14,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:26:14,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:26:14,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:26:14,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:26:14,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:26:15,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:26:15,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:26:15,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:26:15,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:26:15,399 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:26:15,401 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-09-21 12:26:15,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1834865b1/7a0855eaf10a4caeb83d41bf3980fda6/FLAGd47168c7e [2020-09-21 12:26:16,026 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:26:16,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-09-21 12:26:16,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1834865b1/7a0855eaf10a4caeb83d41bf3980fda6/FLAGd47168c7e [2020-09-21 12:26:16,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1834865b1/7a0855eaf10a4caeb83d41bf3980fda6 [2020-09-21 12:26:16,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:26:16,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:26:16,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:26:16,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:26:16,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:26:16,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:26:16" (1/1) ... [2020-09-21 12:26:16,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4ff61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:16, skipping insertion in model container [2020-09-21 12:26:16,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:26:16" (1/1) ... [2020-09-21 12:26:16,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:26:16,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:26:16,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:26:16,719 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:26:16,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:26:16,852 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:26:16,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:16 WrapperNode [2020-09-21 12:26:16,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:26:16,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:26:16,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:26:16,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:26:16,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:16" (1/1) ... [2020-09-21 12:26:16,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:16" (1/1) ... [2020-09-21 12:26:16,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:16" (1/1) ... [2020-09-21 12:26:16,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:16" (1/1) ... [2020-09-21 12:26:16,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:16" (1/1) ... [2020-09-21 12:26:16,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:16" (1/1) ... [2020-09-21 12:26:16,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:16" (1/1) ... [2020-09-21 12:26:16,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:26:16,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:26:16,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:26:16,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:26:16,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:16" (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 [2020-09-21 12:26:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:26:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:26:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-21 12:26:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-21 12:26:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-21 12:26:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-09-21 12:26:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-09-21 12:26:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-09-21 12:26:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-09-21 12:26:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:26:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-21 12:26:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:26:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-21 12:26:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 12:26:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-21 12:26:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:26:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-21 12:26:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-21 12:26:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-09-21 12:26:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:26:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-09-21 12:26:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-09-21 12:26:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-09-21 12:26:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:26:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:26:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:26:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:26:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:26:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:26:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:26:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:26:17,403 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:26:17,404 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 12:26:17,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:26:17 BoogieIcfgContainer [2020-09-21 12:26:17,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:26:17,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:26:17,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:26:17,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:26:17,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:26:16" (1/3) ... [2020-09-21 12:26:17,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1132ce25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:26:17, skipping insertion in model container [2020-09-21 12:26:17,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:16" (2/3) ... [2020-09-21 12:26:17,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1132ce25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:26:17, skipping insertion in model container [2020-09-21 12:26:17,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:26:17" (3/3) ... [2020-09-21 12:26:17,423 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-09-21 12:26:17,435 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:26:17,447 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:26:17,470 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:26:17,498 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:26:17,498 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:26:17,498 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:26:17,498 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:26:17,498 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:26:17,498 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:26:17,499 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:26:17,499 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:26:17,522 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-09-21 12:26:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 12:26:17,530 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:17,532 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] [2020-09-21 12:26:17,532 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:17,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:17,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1185591928, now seen corresponding path program 1 times [2020-09-21 12:26:17,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:17,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426050497] [2020-09-21 12:26:17,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:17,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:17,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:18,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:18,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 12:26:18,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:18,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:26:18,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:18,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:26:18,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:26:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:26:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-21 12:26:18,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:18,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:18,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:18,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:18,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:18,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:26:18,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:18,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:18,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:18,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:26:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:18,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:19,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:19,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:26:19,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:19,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-21 12:26:19,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:26:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:26:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:26:19,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:19,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:19,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:19,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:19,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:26:19,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 12:26:19,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:26:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:19,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:26:19,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:19,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:19,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:19,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:19,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:19,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:19,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:26:19,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:26:19,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:26:19,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426050497] [2020-09-21 12:26:19,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:26:19,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:26:19,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203224166] [2020-09-21 12:26:19,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:26:19,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:19,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:26:19,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:26:19,388 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 10 states. [2020-09-21 12:26:20,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:20,097 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2020-09-21 12:26:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:26:20,099 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-09-21 12:26:20,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:20,118 INFO L225 Difference]: With dead ends: 79 [2020-09-21 12:26:20,118 INFO L226 Difference]: Without dead ends: 60 [2020-09-21 12:26:20,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:26:20,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-09-21 12:26:20,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2020-09-21 12:26:20,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-09-21 12:26:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions. [2020-09-21 12:26:20,248 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 26 [2020-09-21 12:26:20,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:20,249 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions. [2020-09-21 12:26:20,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:26:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2020-09-21 12:26:20,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 12:26:20,254 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:20,255 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:26:20,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:26:20,255 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:20,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:20,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1676370897, now seen corresponding path program 1 times [2020-09-21 12:26:20,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:20,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096350419] [2020-09-21 12:26:20,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:20,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:20,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:21,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:21,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 12:26:21,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:21,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 764 [2020-09-21 12:26:21,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:26:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 12:26:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:26:21,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:21,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:21,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:21,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:21,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:21,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:21,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:26:21,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:21,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:21,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:21,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:21,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:26:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:21,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:21,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:21,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 12:26:21,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:21,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-21 12:26:21,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:21,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:26:21,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:26:21,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:26:21,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:21,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:21,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:21,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:21,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:26:21,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:21,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:26:21,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:21,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:21,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:21,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:21,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:21,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:21,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:21,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:26:21,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:21,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:21,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:26:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:21,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:21,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:21,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:26:21,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:21,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:26:21,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:21,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:26:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:26:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:21,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:21,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:21,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:21,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:21,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:21,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:26:21,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:21,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:26:21,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 12:26:21,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096350419] [2020-09-21 12:26:21,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:26:21,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:26:21,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101562110] [2020-09-21 12:26:21,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:26:21,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:21,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:26:21,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:26:21,534 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand 10 states. [2020-09-21 12:26:22,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:22,159 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2020-09-21 12:26:22,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 12:26:22,160 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2020-09-21 12:26:22,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:22,162 INFO L225 Difference]: With dead ends: 77 [2020-09-21 12:26:22,162 INFO L226 Difference]: Without dead ends: 68 [2020-09-21 12:26:22,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-09-21 12:26:22,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-09-21 12:26:22,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-09-21 12:26:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-21 12:26:22,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2020-09-21 12:26:22,179 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 37 [2020-09-21 12:26:22,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:22,180 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2020-09-21 12:26:22,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:26:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2020-09-21 12:26:22,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 12:26:22,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:22,182 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:26:22,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:26:22,183 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:22,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:22,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1781879045, now seen corresponding path program 1 times [2020-09-21 12:26:22,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:22,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419618011] [2020-09-21 12:26:22,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:22,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:22,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 12:26:22,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-21 12:26:22,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-21 12:26:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 12:26:22,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:22,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:22,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:22,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:22,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:22,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:26:22,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:22,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:22,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:26:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:22,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:22,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 12:26:22,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:22,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-09-21 12:26:22,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:22,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:22,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-21 12:26:22,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:22,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:22,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:22,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:26:22,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:22,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:26:22,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:22,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:22,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:23,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:23,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:26:23,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:23,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:23,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:26:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:26:23,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:26:23,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:23,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:23,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:23,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:23,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:26:23,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:23,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:26:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 12:26:23,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 12:26:23,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:23,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:23,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:26:23,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:26:23,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:26:23,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:23,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:23,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:26:23,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:23,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:23,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:23,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:26:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:23,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:26:23,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:23,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:26:23,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:23,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:26:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:23,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:26:23,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:26:23,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-21 12:26:23,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419618011] [2020-09-21 12:26:23,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:26:23,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:26:23,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553179762] [2020-09-21 12:26:23,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:26:23,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:23,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:26:23,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:26:23,213 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 7 states. [2020-09-21 12:26:23,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:23,683 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2020-09-21 12:26:23,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:26:23,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2020-09-21 12:26:23,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:23,687 INFO L225 Difference]: With dead ends: 86 [2020-09-21 12:26:23,687 INFO L226 Difference]: Without dead ends: 56 [2020-09-21 12:26:23,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:26:23,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-09-21 12:26:23,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2020-09-21 12:26:23,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-21 12:26:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-09-21 12:26:23,721 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 63 [2020-09-21 12:26:23,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:23,721 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-09-21 12:26:23,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:26:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-09-21 12:26:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 12:26:23,726 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:23,727 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 12:26:23,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:26:23,727 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:23,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:23,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1679478666, now seen corresponding path program 1 times [2020-09-21 12:26:23,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:23,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1810085906] [2020-09-21 12:26:23,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:24,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:24,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:24,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 12:26:24,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:24,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 818 [2020-09-21 12:26:24,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 12:26:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:26:24,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:24,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:24,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:24,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:24,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:24,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:24,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:26:24,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:24,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:24,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:24,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:24,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:24,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:26:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:24,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:24,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:26:25,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 709 [2020-09-21 12:26:25,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:25,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 12:26:25,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:26:25,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:26:25,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:25,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:25,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:25,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:26:25,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:25,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:26:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:26:25,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:26:25,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:25,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:25,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:26:25,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:25,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:26:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 12:26:25,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:26:25,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:25,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:26:25,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:26:25,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:25,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:25,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:26:25,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:25,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:25,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:26:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:26:25,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:26:25,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:25,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:26:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:26:25,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:26:25,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:25,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:26:25,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-21 12:26:25,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1810085906] [2020-09-21 12:26:25,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:26:25,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:26:25,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857834921] [2020-09-21 12:26:25,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:26:25,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:25,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:26:25,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:26:25,659 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 8 states. [2020-09-21 12:26:25,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:25,982 INFO L93 Difference]: Finished difference Result 61 states and 64 transitions. [2020-09-21 12:26:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:26:25,983 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-09-21 12:26:25,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:25,984 INFO L225 Difference]: With dead ends: 61 [2020-09-21 12:26:25,984 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:26:25,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:26:25,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:26:25,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:26:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:26:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:26:25,987 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-09-21 12:26:25,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:25,987 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:26:25,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:26:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:26:25,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:26:25,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:26:25,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:26:26,831 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-09-21 12:26:26,832 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 12:26:26,832 INFO L264 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 54 56) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (and (not (<= (+ ~tmp_slot~0.base 1) 0)) (not (<= 1 ~tmp_slot~0.base)))) [2020-09-21 12:26:26,832 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-09-21 12:26:26,832 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:26:26,833 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |old(#NULL.base)| |#NULL.base|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-21 12:26:26,833 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:26:26,833 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-09-21 12:26:26,833 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-09-21 12:26:26,833 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-09-21 12:26:26,833 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (and (not (<= (+ ~tmp_slot~0.base 1) 0)) (not (<= 1 ~tmp_slot~0.base)))) [2020-09-21 12:26:26,834 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (not (= |kzalloc_#t~malloc0.base| 0))))) (and (or (and (not (<= (+ ~tmp_slot~0.base 1) 0)) (not (<= 1 ~tmp_slot~0.base))) .cse0) (or (not (<= 1 ~freed_tmp_slot~0)) .cse0))) [2020-09-21 12:26:26,834 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-09-21 12:26:26,834 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-09-21 12:26:26,834 INFO L264 CegarLoopResult]: At program point kzallocENTRY(line 46) the Hoare annotation is: (let ((.cse0 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)))) (and (or (not (<= 1 ~freed_tmp_slot~0)) .cse0) (or .cse0 (and (not (<= (+ ~tmp_slot~0.base 1) 0)) (not (<= 1 ~tmp_slot~0.base)))))) [2020-09-21 12:26:26,835 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-09-21 12:26:26,835 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-21 12:26:26,835 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-21 12:26:26,835 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-21 12:26:26,835 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-21 12:26:26,836 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-09-21 12:26:26,836 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-09-21 12:26:26,836 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-09-21 12:26:26,836 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-09-21 12:26:26,836 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-09-21 12:26:26,836 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (let ((.cse0 (or (<= 1 ~tmp_slot~0.base) (<= (+ ~tmp_slot~0.base 1) 0))) (.cse1 (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)))) (or (and .cse0 .cse1 (<= 1 ~used_tmp_slot~0)) (and .cse0 (<= 1 ~freed_tmp_slot~0) .cse1) (not (<= 1 |old(~freed_tmp_slot~0)|)))) [2020-09-21 12:26:26,837 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (let ((.cse0 (or (<= 1 ~tmp_slot~0.base) (<= (+ ~tmp_slot~0.base 1) 0))) (.cse1 (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)))) (or (and .cse0 .cse1 (<= 1 ~used_tmp_slot~0)) (and .cse0 (<= 1 ~freed_tmp_slot~0) .cse1) (not (<= 1 |old(~freed_tmp_slot~0)|)))) [2020-09-21 12:26:26,837 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (or (and (or (<= 1 ~tmp_slot~0.base) (<= (+ ~tmp_slot~0.base 1) 0)) (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (<= 1 ~used_tmp_slot~0)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-09-21 12:26:26,837 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-09-21 12:26:26,837 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-09-21 12:26:26,838 INFO L264 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-09-21 12:26:26,838 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-09-21 12:26:26,838 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (or (and (or (<= 1 ~tmp_slot~0.base) (<= (+ ~tmp_slot~0.base 1) 0)) (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (<= 1 ~used_tmp_slot~0)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-09-21 12:26:26,838 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-09-21 12:26:26,839 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-09-21 12:26:26,839 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (and (or (<= 1 ~tmp_slot~0.base) (<= (+ ~tmp_slot~0.base 1) 0)) (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0))) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-09-21 12:26:26,839 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-09-21 12:26:26,839 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 70 131) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-09-21 12:26:26,840 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (or (<= 1 ~tmp_slot~0.base) (<= (+ ~tmp_slot~0.base 1) 0))) (.cse1 (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)))) (or (and .cse0 .cse1 (<= 1 ~used_tmp_slot~0)) (and .cse0 (<= 1 ~freed_tmp_slot~0) .cse1) (not (<= 1 |old(~freed_tmp_slot~0)|)))) [2020-09-21 12:26:26,840 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-09-21 12:26:26,840 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-09-21 12:26:26,840 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-09-21 12:26:26,840 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-09-21 12:26:26,841 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-09-21 12:26:26,841 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-09-21 12:26:26,841 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (or (and (or (<= 1 ~tmp_slot~0.base) (<= (+ ~tmp_slot~0.base 1) 0)) (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0))) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-09-21 12:26:26,841 INFO L268 CegarLoopResult]: For program point L101-1(line 101) no Hoare annotation was computed. [2020-09-21 12:26:26,842 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:26:26,842 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 1 ~freed_tmp_slot~0) [2020-09-21 12:26:26,842 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:26:26,842 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:26:26,842 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 133 137) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-09-21 12:26:26,843 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-09-21 12:26:26,843 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 12:26:26,843 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-09-21 12:26:26,843 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-21 12:26:26,843 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: (not (<= 1 |old(~freed_tmp_slot~0)|)) [2020-09-21 12:26:26,844 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-09-21 12:26:26,844 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-09-21 12:26:26,844 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-09-21 12:26:26,844 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-09-21 12:26:26,844 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (let ((.cse0 (= |#memory_int| |old(#memory_int)|))) (and (or .cse0 (and (not (<= (+ ~tmp_slot~0.base 1) 0)) (not (<= 1 ~tmp_slot~0.base)))) (or (not (<= 1 ~freed_tmp_slot~0)) .cse0))) [2020-09-21 12:26:26,845 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:26:26,845 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:26:26,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:26:26 BoogieIcfgContainer [2020-09-21 12:26:26,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:26:26,884 INFO L168 Benchmark]: Toolchain (without parser) took 10506.38 ms. Allocated memory was 141.0 MB in the beginning and 308.8 MB in the end (delta: 167.8 MB). Free memory was 102.2 MB in the beginning and 101.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 168.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:26:26,885 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:26:26,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.14 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 183.3 MB in the end (delta: -81.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:26:26,892 INFO L168 Benchmark]: Boogie Preprocessor took 57.75 ms. Allocated memory is still 204.5 MB. Free memory was 183.3 MB in the beginning and 181.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:26:26,894 INFO L168 Benchmark]: RCFGBuilder took 496.83 ms. Allocated memory is still 204.5 MB. Free memory was 181.0 MB in the beginning and 157.1 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:26:26,895 INFO L168 Benchmark]: TraceAbstraction took 9467.40 ms. Allocated memory was 204.5 MB in the beginning and 308.8 MB in the end (delta: 104.3 MB). Free memory was 156.5 MB in the beginning and 101.1 MB in the end (delta: 55.4 MB). Peak memory consumption was 159.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:26:26,908 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 475.14 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 183.3 MB in the end (delta: -81.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.75 ms. Allocated memory is still 204.5 MB. Free memory was 183.3 MB in the beginning and 181.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 496.83 ms. Allocated memory is still 204.5 MB. Free memory was 181.0 MB in the beginning and 157.1 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9467.40 ms. Allocated memory was 204.5 MB in the beginning and 308.8 MB in the end (delta: 104.3 MB). Free memory was 156.5 MB in the beginning and 101.1 MB in the end (delta: 55.4 MB). Peak memory consumption was 159.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 70]: Loop Invariant Derived loop invariant: ((((1 <= tmp_slot || tmp_slot + 1 <= 0) && !(hp_slot_ptr == 0)) && 1 <= used_tmp_slot) || (((1 <= tmp_slot || tmp_slot + 1 <= 0) && 1 <= freed_tmp_slot) && !(hp_slot_ptr == 0))) || !(1 <= \old(freed_tmp_slot)) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((1 <= tmp_slot || tmp_slot + 1 <= 0) && !(hp_slot_ptr == 0)) && 1 <= used_tmp_slot) || (((1 <= tmp_slot || tmp_slot + 1 <= 0) && 1 <= freed_tmp_slot) && !(hp_slot_ptr == 0))) || !(1 <= \old(freed_tmp_slot)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.4s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 225 SDtfs, 210 SDslu, 483 SDs, 0 SdLazy, 546 SolverSat, 201 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 33 PreInvPairs, 37 NumberOfFragments, 477 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 23 FomulaSimplificationsInter, 532 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 30022 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 60/60 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...