/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=LOWLEXORDER --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.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:36:59,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:36:59,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:36:59,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:36:59,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:36:59,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:36:59,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:36:59,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:36:59,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:36:59,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:36:59,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:36:59,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:36:59,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:36:59,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:36:59,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:36:59,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:36:59,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:36:59,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:36:59,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:36:59,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:36:59,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:36:59,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:36:59,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:36:59,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:36:59,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:36:59,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:36:59,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:36:59,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:36:59,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:36:59,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:36:59,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:36:59,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:36:59,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:36:59,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:36:59,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:36:59,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:36:59,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:36:59,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:36:59,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:36:59,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:36:59,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:36:59,500 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 [2020-09-24 21:36:59,546 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:36:59,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:36:59,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:36:59,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:36:59,549 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:36:59,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:36:59,550 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:36:59,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:36:59,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:36:59,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:36:59,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:36:59,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:36:59,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:36:59,553 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:36:59,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:36:59,553 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:36:59,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:36:59,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:36:59,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:36:59,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:36:59,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:36:59,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:36:59,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:36:59,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:36:59,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:36:59,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:36:59,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:36:59,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:36:59,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:36:59,556 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.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;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=5000;interpolation-heuristic=LOWLEXORDER;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=5000;interpolation-heuristic=LOWLEXORDER;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=5000;interpolation-heuristic=LOWLEXORDER;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=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:37:00,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:37:00,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:37:00,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:37:00,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:37:00,093 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:37:00,094 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-09-24 21:37:00,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d81c24d1/bb96d88c184542f8906cf0a8545ed847/FLAGa877a98ac [2020-09-24 21:37:00,769 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:37:00,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-09-24 21:37:00,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d81c24d1/bb96d88c184542f8906cf0a8545ed847/FLAGa877a98ac [2020-09-24 21:37:01,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d81c24d1/bb96d88c184542f8906cf0a8545ed847 [2020-09-24 21:37:01,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:37:01,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:37:01,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:37:01,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:37:01,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:37:01,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:37:01" (1/1) ... [2020-09-24 21:37:01,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738c6f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:01, skipping insertion in model container [2020-09-24 21:37:01,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:37:01" (1/1) ... [2020-09-24 21:37:01,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:37:01,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:37:01,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:37:01,433 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:37:01,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:37:01,563 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:37:01,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:01 WrapperNode [2020-09-24 21:37:01,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:37:01,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:37:01,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:37:01,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:37:01,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:01" (1/1) ... [2020-09-24 21:37:01,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:01" (1/1) ... [2020-09-24 21:37:01,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:01" (1/1) ... [2020-09-24 21:37:01,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:01" (1/1) ... [2020-09-24 21:37:01,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:01" (1/1) ... [2020-09-24 21:37:01,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:01" (1/1) ... [2020-09-24 21:37:01,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:01" (1/1) ... [2020-09-24 21:37:01,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:37:01,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:37:01,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:37:01,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:37:01,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:01" (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 [2020-09-24 21:37:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:37:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:37:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-24 21:37:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 21:37:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 21:37:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-09-24 21:37:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-09-24 21:37:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-09-24 21:37:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-09-24 21:37:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:37:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 21:37:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:37:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-24 21:37:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 21:37:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 21:37:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:37:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 21:37:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 21:37:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-09-24 21:37:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:37:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-09-24 21:37:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-09-24 21:37:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-09-24 21:37:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:37:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:37:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:37:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:37:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:37:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:37:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:37:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:37:02,136 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:37:02,137 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 21:37:02,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:37:02 BoogieIcfgContainer [2020-09-24 21:37:02,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:37:02,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:37:02,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:37:02,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:37:02,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:37:01" (1/3) ... [2020-09-24 21:37:02,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e4cf8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:37:02, skipping insertion in model container [2020-09-24 21:37:02,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:01" (2/3) ... [2020-09-24 21:37:02,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e4cf8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:37:02, skipping insertion in model container [2020-09-24 21:37:02,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:37:02" (3/3) ... [2020-09-24 21:37:02,153 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-09-24 21:37:02,166 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:37:02,177 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:37:02,201 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:37:02,233 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:37:02,234 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:37:02,234 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:37:02,234 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:37:02,234 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:37:02,234 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:37:02,235 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:37:02,235 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:37:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-09-24 21:37:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 21:37:02,270 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:37:02,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:37:02,271 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:37:02,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:37:02,278 INFO L82 PathProgramCache]: Analyzing trace with hash -89061568, now seen corresponding path program 1 times [2020-09-24 21:37:02,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:37:02,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372837455] [2020-09-24 21:37:02,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:37:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:02,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:02,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:03,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:03,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 21:37:03,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:37:03,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 989 [2020-09-24 21:37:03,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:03,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:37:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 21:37:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 21:37:03,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:37:03,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:37:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:03,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:03,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:03,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:37:03,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 21:37:03,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:37:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:37:03,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:03,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 21:37:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:03,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:03,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:03,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:03,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 21:37:03,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:37:03,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-24 21:37:03,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:03,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:37:03,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:37:03,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 21:37:03,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:03,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:03,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:03,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:03,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:37:03,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:03,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 21:37:03,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:03,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:37:03,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:03,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 21:37:03,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:04,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:04,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:04,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:04,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:37:04,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:04,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:37:04,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:04,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:04,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:04,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:04,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:04,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:37:04,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372837455] [2020-09-24 21:37:04,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:37:04,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 21:37:04,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340954119] [2020-09-24 21:37:04,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 21:37:04,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:37:04,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 21:37:04,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-24 21:37:04,059 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 9 states. [2020-09-24 21:37:04,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:37:04,852 INFO L93 Difference]: Finished difference Result 135 states and 144 transitions. [2020-09-24 21:37:04,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 21:37:04,855 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2020-09-24 21:37:04,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:37:04,871 INFO L225 Difference]: With dead ends: 135 [2020-09-24 21:37:04,871 INFO L226 Difference]: Without dead ends: 102 [2020-09-24 21:37:04,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-09-24 21:37:04,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-09-24 21:37:04,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-09-24 21:37:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-09-24 21:37:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 105 transitions. [2020-09-24 21:37:04,951 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 105 transitions. Word has length 38 [2020-09-24 21:37:04,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:37:04,954 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 105 transitions. [2020-09-24 21:37:04,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 21:37:04,954 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2020-09-24 21:37:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-24 21:37:04,959 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:37:04,959 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:37:04,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:37:04,960 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:37:04,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:37:04,961 INFO L82 PathProgramCache]: Analyzing trace with hash 2072899472, now seen corresponding path program 1 times [2020-09-24 21:37:04,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:37:04,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070215814] [2020-09-24 21:37:04,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:37:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:05,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:05,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:05,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-24 21:37:05,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:05,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-09-24 21:37:05,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 21:37:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-09-24 21:37:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 21:37:05,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:05,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:37:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:05,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:05,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:05,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:37:05,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:05,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:37:05,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:05,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:05,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:05,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:05,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:05,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 21:37:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:05,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:06,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:06,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-24 21:37:06,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:06,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-09-24 21:37:06,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:06,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 21:37:06,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-24 21:37:06,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 21:37:06,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:06,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:06,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:06,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:06,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:37:06,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:06,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 21:37:06,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:06,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:06,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:06,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:06,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:06,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:37:06,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:06,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:37:06,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:06,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:06,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 21:37:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:06,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:06,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:06,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:37:06,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:06,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:37:06,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:06,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:06,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:06,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:06,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:06,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:06,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:06,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:06,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:37:06,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:06,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:37:06,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:06,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:06,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 21:37:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:06,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:06,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:06,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 21:37:06,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:06,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-24 21:37:06,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:37:06,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 21:37:06,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 21:37:06,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:37:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:06,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:06,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:37:06,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:06,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 21:37:06,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:06,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:37:06,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:37:06,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:06,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:06,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:06,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:06,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:37:06,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:06,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:37:06,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:06,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:37:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:37:06,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:06,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 21:37:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:06,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:06,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:06,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:37:06,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:06,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:37:06,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:06,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:06,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 21:37:06,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:06,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-24 21:37:06,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070215814] [2020-09-24 21:37:06,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:37:06,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 21:37:06,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879832359] [2020-09-24 21:37:06,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 21:37:06,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:37:06,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 21:37:06,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-24 21:37:06,793 INFO L87 Difference]: Start difference. First operand 102 states and 105 transitions. Second operand 13 states. [2020-09-24 21:37:07,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:37:07,442 INFO L93 Difference]: Finished difference Result 119 states and 121 transitions. [2020-09-24 21:37:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 21:37:07,443 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 83 [2020-09-24 21:37:07,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:37:07,445 INFO L225 Difference]: With dead ends: 119 [2020-09-24 21:37:07,446 INFO L226 Difference]: Without dead ends: 101 [2020-09-24 21:37:07,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2020-09-24 21:37:07,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-09-24 21:37:07,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-09-24 21:37:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-24 21:37:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-09-24 21:37:07,462 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 83 [2020-09-24 21:37:07,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:37:07,463 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-09-24 21:37:07,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 21:37:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-09-24 21:37:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-24 21:37:07,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:37:07,467 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:37:07,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:37:07,468 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:37:07,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:37:07,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1162317510, now seen corresponding path program 1 times [2020-09-24 21:37:07,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:37:07,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338847127] [2020-09-24 21:37:07,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:37:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:07,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:07,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:07,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:10,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:10,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-24 21:37:10,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:37:10,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2790 [2020-09-24 21:37:10,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 21:37:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 21:37:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 21:37:10,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:10,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:37:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:10,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:10,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:10,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:37:10,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:10,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:37:10,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:10,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:10,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 21:37:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:10,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:10,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:11,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:11,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-24 21:37:11,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:37:11,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1067 [2020-09-24 21:37:11,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 21:37:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 21:37:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 21:37:11,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:11,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:11,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:11,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:11,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:37:11,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:11,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:37:11,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:11,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:11,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:11,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:11,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:11,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:11,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:11,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:11,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:37:11,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:11,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:37:11,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:11,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:11,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:11,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:11,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 21:37:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:11,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:11,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:11,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:37:11,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:11,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 21:37:11,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:37:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:37:11,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:11,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:11,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:11,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:11,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:37:11,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:11,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:37:11,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:11,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:37:11,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:11,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:37:11,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:11,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 21:37:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:11,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:11,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:11,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 21:37:11,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:11,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 21:37:11,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:11,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:37:11,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 21:37:11,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:11,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:37:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:11,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:11,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:11,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:37:11,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:11,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:37:11,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:11,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:11,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:11,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:11,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:11,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:37:11,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:11,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:37:11,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:11,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:11,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:11,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 21:37:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:11,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:11,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:11,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:37:11,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:11,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:37:11,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:37:11,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:11,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:37:11,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:11,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 21:37:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:11,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:11,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:11,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:37:11,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:11,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:37:11,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:11,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:37:11,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 21:37:11,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 21:37:11,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:12,063 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-24 21:37:12,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338847127] [2020-09-24 21:37:12,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 21:37:12,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 21:37:12,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229510362] [2020-09-24 21:37:12,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 21:37:12,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:37:12,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 21:37:12,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-24 21:37:12,067 INFO L87 Difference]: Start difference. First operand 101 states and 103 transitions. Second operand 15 states. [2020-09-24 21:37:13,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:37:13,326 INFO L93 Difference]: Finished difference Result 110 states and 111 transitions. [2020-09-24 21:37:13,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 21:37:13,326 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 98 [2020-09-24 21:37:13,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:37:13,329 INFO L225 Difference]: With dead ends: 110 [2020-09-24 21:37:13,330 INFO L226 Difference]: Without dead ends: 93 [2020-09-24 21:37:13,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=883, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 21:37:13,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-24 21:37:13,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-09-24 21:37:13,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-24 21:37:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2020-09-24 21:37:13,357 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 98 [2020-09-24 21:37:13,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:37:13,357 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2020-09-24 21:37:13,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 21:37:13,358 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2020-09-24 21:37:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-09-24 21:37:13,363 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:37:13,363 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:37:13,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:37:13,364 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:37:13,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:37:13,366 INFO L82 PathProgramCache]: Analyzing trace with hash 2117991593, now seen corresponding path program 1 times [2020-09-24 21:37:13,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:37:13,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16451898] [2020-09-24 21:37:13,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:37:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:13,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:13,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:13,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-24 21:37:13,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:13,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-09-24 21:37:13,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:13,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:37:13,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-24 21:37:13,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 21:37:13,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:13,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:37:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:13,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:13,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:13,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:37:13,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:13,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:37:13,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:13,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:13,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 21:37:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:13,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:13,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:13,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-24 21:37:13,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-09-24 21:37:13,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:37:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 21:37:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:13,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:13,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:13,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:13,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:37:13,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:37:13,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:13,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:13,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:13,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:13,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:37:13,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:13,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:37:13,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:13,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:13,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 21:37:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:13,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:13,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:13,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:37:13,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:13,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:37:13,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:13,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:13,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:13,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:13,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:13,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:13,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:13,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:13,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:37:13,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:13,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:37:13,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:13,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:13,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 21:37:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:13,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:14,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:14,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 21:37:14,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:37:14,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:14,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:37:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:14,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:14,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:14,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:37:14,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:14,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:37:14,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:14,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:14,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:14,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:37:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:14,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:14,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:14,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:37:14,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:14,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:37:14,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:14,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:14,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 21:37:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:14,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:14,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:14,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:37:14,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:14,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:37:14,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:14,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:37:14,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:14,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:37:14,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:14,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 21:37:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:14,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:14,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:14,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:37:14,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:14,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 21:37:14,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:14,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:37:14,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:14,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:37:14,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:14,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-24 21:37:14,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16451898] [2020-09-24 21:37:14,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:37:14,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:37:14,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813927306] [2020-09-24 21:37:14,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:37:14,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:37:14,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:37:14,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:37:14,114 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 7 states. [2020-09-24 21:37:14,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:37:14,385 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2020-09-24 21:37:14,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 21:37:14,385 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2020-09-24 21:37:14,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:37:14,386 INFO L225 Difference]: With dead ends: 93 [2020-09-24 21:37:14,386 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 21:37:14,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-09-24 21:37:14,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 21:37:14,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 21:37:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 21:37:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 21:37:14,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2020-09-24 21:37:14,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:37:14,389 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 21:37:14,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:37:14,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 21:37:14,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 21:37:14,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 21:37:14,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 21:37:15,053 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-09-24 21:37:15,053 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 21:37:15,053 INFO L268 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-09-24 21:37:15,054 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|)) (= ~tmp_slot~0.base 0)) [2020-09-24 21:37:15,054 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-09-24 21:37:15,054 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 21:37:15,054 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 21:37:15,054 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 21:37:15,056 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|)) [2020-09-24 21:37:15,056 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-24 21:37:15,056 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-24 21:37:15,056 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 21:37:15,056 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 21:37:15,056 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-09-24 21:37:15,057 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-09-24 21:37:15,057 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-09-24 21:37:15,057 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= ~tmp_slot~0.base 0)) [2020-09-24 21:37:15,057 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 21:37:15,057 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-24 21:37:15,057 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-09-24 21:37:15,057 INFO L264 CegarLoopResult]: At program point L46-2(line 46) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (not (= |kzalloc_#t~malloc0.base| 0))))) (and (or (not (= ~freed_tmp_slot~0 1)) .cse0) (or (= ~tmp_slot~0.base 0) .cse0))) [2020-09-24 21:37:15,058 INFO L268 CegarLoopResult]: For program point L46-3(line 46) no Hoare annotation was computed. [2020-09-24 21:37:15,058 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-09-24 21:37:15,058 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 .cse0 (not (= ~freed_tmp_slot~0 1))) (or .cse0 (= ~tmp_slot~0.base 0)))) [2020-09-24 21:37:15,058 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-09-24 21:37:15,058 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-24 21:37:15,060 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-24 21:37:15,060 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-24 21:37:15,060 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-24 21:37:15,060 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-09-24 21:37:15,060 INFO L268 CegarLoopResult]: For program point L67-2(line 67) no Hoare annotation was computed. [2020-09-24 21:37:15,060 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-09-24 21:37:15,060 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-09-24 21:37:15,061 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 21:37:15,061 INFO L268 CegarLoopResult]: For program point L67-1(line 67) no Hoare annotation was computed. [2020-09-24 21:37:15,061 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-09-24 21:37:15,061 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-09-24 21:37:15,061 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (or (= ~freed_tmp_slot~0 1) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-24 21:37:15,061 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-24 21:37:15,061 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-09-24 21:37:15,061 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-24 21:37:15,062 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (or (let ((.cse0 (select (select |#memory_$Pointer$.base| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset))) (and (not (= .cse0 0)) (<= 1 ~used_tmp_slot~0) (= (select (select |#memory_$Pointer$.offset| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.offset) (= .cse0 ~tmp_slot~0.base))) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-24 21:37:15,062 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-09-24 21:37:15,062 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-09-24 21:37:15,062 INFO L268 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2020-09-24 21:37:15,062 INFO L268 CegarLoopResult]: For program point L118-3(line 118) no Hoare annotation was computed. [2020-09-24 21:37:15,063 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (or (let ((.cse0 (select (select |#memory_$Pointer$.base| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset))) (and (not (= .cse0 0)) (<= 1 ~used_tmp_slot~0) (= (select (select |#memory_$Pointer$.offset| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.offset) (= .cse0 ~tmp_slot~0.base))) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-24 21:37:15,063 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-24 21:37:15,063 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-09-24 21:37:15,064 INFO L264 CegarLoopResult]: At program point L81-1(line 81) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-24 21:37:15,064 INFO L268 CegarLoopResult]: For program point L114-2(line 114) no Hoare annotation was computed. [2020-09-24 21:37:15,064 INFO L268 CegarLoopResult]: For program point L114-3(line 114) no Hoare annotation was computed. [2020-09-24 21:37:15,064 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-09-24 21:37:15,064 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 21:37:15,064 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-24 21:37:15,064 INFO L268 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-09-24 21:37:15,064 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 21:37:15,065 INFO L264 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: (or (not (= ~tmp_slot~0.base 0)) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-24 21:37:15,065 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 21:37:15,065 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-09-24 21:37:15,065 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-24 21:37:15,065 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-09-24 21:37:15,065 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-24 21:37:15,065 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 21:37:15,066 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-09-24 21:37:15,066 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-24 21:37:15,066 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (or (let ((.cse0 (select (select |#memory_$Pointer$.base| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset))) (and (not (= .cse0 0)) (= (select (select |#memory_$Pointer$.offset| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.offset) (= .cse0 ~tmp_slot~0.base))) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-24 21:37:15,066 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 21:37:15,066 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-09-24 21:37:15,066 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-24 21:37:15,067 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-09-24 21:37:15,067 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 (= |old(~freed_tmp_slot~0)| 1))) [2020-09-24 21:37:15,067 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (and (= ~tmp_slot~0.offset |ebda_rsrc_controller_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.offset| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.offset) (= |ebda_rsrc_controller_#t~mem9.base| ~tmp_slot~0.base) (not (= |ebda_rsrc_controller_#t~mem9.base| 0)) (= (select (select |#memory_$Pointer$.base| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.base)) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-24 21:37:15,068 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-09-24 21:37:15,068 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-09-24 21:37:15,068 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 21:37:15,068 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 (= |old(~freed_tmp_slot~0)| 1))) [2020-09-24 21:37:15,068 INFO L268 CegarLoopResult]: For program point L109-1(line 109) no Hoare annotation was computed. [2020-09-24 21:37:15,069 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-09-24 21:37:15,069 INFO L268 CegarLoopResult]: For program point L76-2(line 76) no Hoare annotation was computed. [2020-09-24 21:37:15,069 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 21:37:15,069 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~freed_tmp_slot~0 1) [2020-09-24 21:37:15,069 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 21:37:15,069 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 21:37:15,069 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 (= |old(~freed_tmp_slot~0)| 1))) [2020-09-24 21:37:15,070 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-09-24 21:37:15,070 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 21:37:15,070 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-09-24 21:37:15,070 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-24 21:37:15,070 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: (not (= |old(~freed_tmp_slot~0)| 1)) [2020-09-24 21:37:15,071 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-09-24 21:37:15,071 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-09-24 21:37:15,071 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-09-24 21:37:15,071 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-09-24 21:37:15,072 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-09-24 21:37:15,072 INFO L268 CegarLoopResult]: For program point L62-2(line 62) no Hoare annotation was computed. [2020-09-24 21:37:15,072 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-09-24 21:37:15,072 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-09-24 21:37:15,072 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (let ((.cse0 (= |#memory_int| |old(#memory_int)|))) (and (or .cse0 (= ~tmp_slot~0.base 0)) (or .cse0 (not (= ~freed_tmp_slot~0 1))))) [2020-09-24 21:37:15,073 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-09-24 21:37:15,073 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-09-24 21:37:15,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 21:37:15,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 21:37:15,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 21:37:15,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 21:37:15,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 21:37:15,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 21:37:15,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 21:37:15,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 21:37:15,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 21:37:15,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 21:37:15,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 21:37:15,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 21:37:15,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 09:37:15 BoogieIcfgContainer [2020-09-24 21:37:15,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 21:37:15,116 INFO L168 Benchmark]: Toolchain (without parser) took 13990.82 ms. Allocated memory was 138.9 MB in the beginning and 353.4 MB in the end (delta: 214.4 MB). Free memory was 102.2 MB in the beginning and 161.3 MB in the end (delta: -59.2 MB). Peak memory consumption was 155.3 MB. Max. memory is 7.1 GB. [2020-09-24 21:37:15,117 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 21:37:15,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.49 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 180.0 MB in the end (delta: -78.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-09-24 21:37:15,124 INFO L168 Benchmark]: Boogie Preprocessor took 56.36 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 177.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-09-24 21:37:15,126 INFO L168 Benchmark]: RCFGBuilder took 521.82 ms. Allocated memory is still 201.9 MB. Free memory was 177.6 MB in the beginning and 150.9 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-09-24 21:37:15,127 INFO L168 Benchmark]: TraceAbstraction took 12966.39 ms. Allocated memory was 201.9 MB in the beginning and 353.4 MB in the end (delta: 151.5 MB). Free memory was 150.2 MB in the beginning and 161.3 MB in the end (delta: -11.1 MB). Peak memory consumption was 140.4 MB. Max. memory is 7.1 GB. [2020-09-24 21:37:15,142 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 437.49 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 180.0 MB in the end (delta: -78.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.36 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 177.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 521.82 ms. Allocated memory is still 201.9 MB. Free memory was 177.6 MB in the beginning and 150.9 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12966.39 ms. Allocated memory was 201.9 MB in the beginning and 353.4 MB in the end (delta: 151.5 MB). Free memory was 150.2 MB in the beginning and 161.3 MB in the end (delta: -11.1 MB). Peak memory consumption was 140.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * 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 [2020-09-24 21:37:15,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 21:37:15,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 21:37:15,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 21:37:15,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 21:37:15,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 21:37:15,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 21:37:15,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 21:37:15,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 21:37:15,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 21:37:15,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 21:37:15,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 21:37:15,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((!(#memory_$Pointer$[hp_slot_ptr][hp_slot_ptr] == 0) && #memory_$Pointer$[hp_slot_ptr][hp_slot_ptr] == tmp_slot) && #memory_$Pointer$[hp_slot_ptr][hp_slot_ptr] == tmp_slot) || !(\old(freed_tmp_slot) == 1) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: freed_tmp_slot == 1 || !(\old(freed_tmp_slot) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 331 SDtfs, 405 SDslu, 1087 SDs, 0 SdLazy, 1365 SolverSat, 187 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 31 PreInvPairs, 35 NumberOfFragments, 370 HoareAnnotationTreeSize, 31 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 22 FomulaSimplificationsInter, 348 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 86867 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 86/90 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...