/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 -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 0.1.25-267fbe0 [2020-07-17 12:02:10,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:02:10,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:02:10,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:02:10,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:02:10,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:02:10,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:02:10,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:02:10,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:02:10,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:02:10,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:02:10,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:02:10,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:02:10,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:02:10,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:02:10,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:02:10,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:02:10,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:02:10,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:02:10,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:02:10,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:02:10,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:02:10,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:02:10,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:02:10,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:02:10,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 12:02:10,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 12:02:10,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 12:02:10,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 12:02:10,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 12:02:10,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 12:02:10,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 12:02:10,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 12:02:10,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:02:10,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:02:10,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:02:10,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 12:02:10,615 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:02:10,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:02:10,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:02:10,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:02:10,617 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:02:10,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:02:10,618 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:02:10,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:02:10,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:02:10,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:02:10,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:02:10,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:02:10,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:02:10,619 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:02:10,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:02:10,620 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:02:10,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:02:10,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:02:10,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:02:10,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:02:10,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:02:10,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:02:10,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:02:10,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:02:10,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:02:10,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:02:10,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:02:10,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:02:10,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:02:10,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:02:10,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:02:10,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:02:10,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:02:10,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:02:10,918 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:02:10,919 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-07-17 12:02:10,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eeddb811/c5d00a305c79429695e4984d0c4da328/FLAG7a216537b [2020-07-17 12:02:11,486 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:02:11,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-07-17 12:02:11,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eeddb811/c5d00a305c79429695e4984d0c4da328/FLAG7a216537b [2020-07-17 12:02:11,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eeddb811/c5d00a305c79429695e4984d0c4da328 [2020-07-17 12:02:11,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:02:11,920 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:02:11,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:02:11,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:02:11,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:02:11,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:02:11" (1/1) ... [2020-07-17 12:02:11,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482b1bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:11, skipping insertion in model container [2020-07-17 12:02:11,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:02:11" (1/1) ... [2020-07-17 12:02:11,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:02:11,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:02:12,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:02:12,189 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:02:12,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:02:12,360 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:02:12,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:12 WrapperNode [2020-07-17 12:02:12,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:02:12,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:02:12,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:02:12,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:02:12,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:12" (1/1) ... [2020-07-17 12:02:12,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:12" (1/1) ... [2020-07-17 12:02:12,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:12" (1/1) ... [2020-07-17 12:02:12,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:12" (1/1) ... [2020-07-17 12:02:12,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:12" (1/1) ... [2020-07-17 12:02:12,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:12" (1/1) ... [2020-07-17 12:02:12,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:12" (1/1) ... [2020-07-17 12:02:12,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:02:12,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:02:12,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:02:12,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:02:12,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-17 12:02:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:02:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:02:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-17 12:02:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-07-17 12:02:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-17 12:02:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-07-17 12:02:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-07-17 12:02:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-07-17 12:02:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-07-17 12:02:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:02:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-17 12:02:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:02:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-17 12:02:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-17 12:02:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-07-17 12:02:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 12:02:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-17 12:02:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-17 12:02:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-07-17 12:02:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:02:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-07-17 12:02:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-07-17 12:02:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-07-17 12:02:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 12:02:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 12:02:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 12:02:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:02:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:02:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:02:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 12:02:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 12:02:13,010 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:02:13,011 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 12:02:13,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:02:13 BoogieIcfgContainer [2020-07-17 12:02:13,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:02:13,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:02:13,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:02:13,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:02:13,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:02:11" (1/3) ... [2020-07-17 12:02:13,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb6f9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:02:13, skipping insertion in model container [2020-07-17 12:02:13,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:12" (2/3) ... [2020-07-17 12:02:13,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb6f9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:02:13, skipping insertion in model container [2020-07-17 12:02:13,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:02:13" (3/3) ... [2020-07-17 12:02:13,025 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-07-17 12:02:13,037 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:02:13,045 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:02:13,060 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:02:13,086 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:02:13,086 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:02:13,086 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:02:13,086 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:02:13,087 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:02:13,087 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:02:13,087 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:02:13,087 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:02:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-07-17 12:02:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 12:02:13,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:02:13,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:02:13,119 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:02:13,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:02:13,124 INFO L82 PathProgramCache]: Analyzing trace with hash -2144903796, now seen corresponding path program 1 times [2020-07-17 12:02:13,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:02:13,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006021443] [2020-07-17 12:02:13,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:02:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:02:13,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006021443] [2020-07-17 12:02:13,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:02:13,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 12:02:13,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704176364] [2020-07-17 12:02:13,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:02:13,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:02:13,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:02:13,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:02:13,763 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 10 states. [2020-07-17 12:02:14,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:02:14,308 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2020-07-17 12:02:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 12:02:14,310 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-17 12:02:14,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:02:14,329 INFO L225 Difference]: With dead ends: 77 [2020-07-17 12:02:14,329 INFO L226 Difference]: Without dead ends: 58 [2020-07-17 12:02:14,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-07-17 12:02:14,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-07-17 12:02:14,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2020-07-17 12:02:14,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-17 12:02:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2020-07-17 12:02:14,418 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 26 [2020-07-17 12:02:14,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:02:14,420 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2020-07-17 12:02:14,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:02:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2020-07-17 12:02:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-17 12:02:14,424 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:02:14,424 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:02:14,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:02:14,425 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:02:14,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:02:14,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1765959499, now seen corresponding path program 1 times [2020-07-17 12:02:14,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:02:14,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108725977] [2020-07-17 12:02:14,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:02:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:14,714 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 12:02:14,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108725977] [2020-07-17 12:02:14,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:02:14,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 12:02:14,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280098726] [2020-07-17 12:02:14,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:02:14,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:02:14,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:02:14,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:02:14,723 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand 10 states. [2020-07-17 12:02:15,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:02:15,295 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2020-07-17 12:02:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 12:02:15,296 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2020-07-17 12:02:15,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:02:15,298 INFO L225 Difference]: With dead ends: 75 [2020-07-17 12:02:15,298 INFO L226 Difference]: Without dead ends: 66 [2020-07-17 12:02:15,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-07-17 12:02:15,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-17 12:02:15,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-07-17 12:02:15,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-17 12:02:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2020-07-17 12:02:15,336 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 37 [2020-07-17 12:02:15,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:02:15,337 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2020-07-17 12:02:15,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:02:15,337 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2020-07-17 12:02:15,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 12:02:15,343 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:02:15,344 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:02:15,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 12:02:15,345 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:02:15,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:02:15,346 INFO L82 PathProgramCache]: Analyzing trace with hash 856880965, now seen corresponding path program 1 times [2020-07-17 12:02:15,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:02:15,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092908551] [2020-07-17 12:02:15,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:02:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-17 12:02:15,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092908551] [2020-07-17 12:02:15,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:02:15,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-17 12:02:15,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896254809] [2020-07-17 12:02:15,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 12:02:15,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:02:15,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 12:02:15,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-17 12:02:15,661 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 13 states. [2020-07-17 12:02:16,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:02:16,020 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2020-07-17 12:02:16,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 12:02:16,021 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2020-07-17 12:02:16,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:02:16,023 INFO L225 Difference]: With dead ends: 82 [2020-07-17 12:02:16,023 INFO L226 Difference]: Without dead ends: 66 [2020-07-17 12:02:16,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-07-17 12:02:16,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-17 12:02:16,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-07-17 12:02:16,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-17 12:02:16,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2020-07-17 12:02:16,035 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 59 [2020-07-17 12:02:16,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:02:16,036 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2020-07-17 12:02:16,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 12:02:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-07-17 12:02:16,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-17 12:02:16,038 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:02:16,038 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:02:16,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 12:02:16,039 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:02:16,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:02:16,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1472800201, now seen corresponding path program 1 times [2020-07-17 12:02:16,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:02:16,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326741762] [2020-07-17 12:02:16,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:02:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:16,223 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-17 12:02:16,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326741762] [2020-07-17 12:02:16,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:02:16,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:02:16,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851066425] [2020-07-17 12:02:16,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 12:02:16,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:02:16,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 12:02:16,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:02:16,226 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 7 states. [2020-07-17 12:02:16,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:02:16,471 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2020-07-17 12:02:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 12:02:16,472 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2020-07-17 12:02:16,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:02:16,473 INFO L225 Difference]: With dead ends: 66 [2020-07-17 12:02:16,473 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:02:16,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:02:16,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:02:16,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:02:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:02:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:02:16,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-07-17 12:02:16,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:02:16,475 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:02:16,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 12:02:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:02:16,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:02:16,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 12:02:16,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:02:16,844 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-07-17 12:02:16,844 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-17 12:02:16,844 INFO L264 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 54 56) the Hoare annotation is: (or (= 0 ~tmp_slot~0.base) (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))) [2020-07-17 12:02:16,845 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-07-17 12:02:16,845 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:02:16,845 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|)) [2020-07-17 12:02:16,846 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:02:16,846 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-07-17 12:02:16,847 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-07-17 12:02:16,847 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-07-17 12:02:16,847 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (= ~used_tmp_slot~0 1)) (= 0 ~tmp_slot~0.base)) [2020-07-17 12:02:16,847 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (and (or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0)) (= |#memory_int| |old(#memory_int)|)) [2020-07-17 12:02:16,847 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-07-17 12:02:16,847 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-07-17 12:02:16,847 INFO L264 CegarLoopResult]: At program point kzallocENTRY(line 46) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 12:02:16,847 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-07-17 12:02:16,848 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-07-17 12:02:16,848 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-07-17 12:02:16,848 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-07-17 12:02:16,848 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-07-17 12:02:16,848 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-07-17 12:02:16,848 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-07-17 12:02:16,848 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-07-17 12:02:16,849 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-07-17 12:02:16,849 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-07-17 12:02:16,849 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (and (= ~used_tmp_slot~0 1) (not (= 0 ~tmp_slot~0.base)) (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-07-17 12:02:16,851 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (and (= ~used_tmp_slot~0 1) (not (= 0 ~tmp_slot~0.base)) (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-07-17 12:02:16,851 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (and (= ~used_tmp_slot~0 1) (not (= 0 ~tmp_slot~0.base)) (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-07-17 12:02:16,852 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-07-17 12:02:16,852 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-07-17 12:02:16,852 INFO L264 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (and (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-07-17 12:02:16,852 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-07-17 12:02:16,852 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (and (= ~used_tmp_slot~0 1) (not (= 0 ~tmp_slot~0.base)) (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-07-17 12:02:16,852 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-07-17 12:02:16,853 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-07-17 12:02:16,853 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (and (not (= 0 ~tmp_slot~0.base)) (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-07-17 12:02:16,853 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-07-17 12:02:16,853 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 70 131) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|)) [2020-07-17 12:02:16,853 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (and (= ~used_tmp_slot~0 1) (not (= 0 ~tmp_slot~0.base)) (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-07-17 12:02:16,854 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-07-17 12:02:16,854 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-07-17 12:02:16,854 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-07-17 12:02:16,854 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-07-17 12:02:16,854 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|)) [2020-07-17 12:02:16,854 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-07-17 12:02:16,855 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:02:16,855 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 12:02:16,855 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:02:16,855 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:02:16,855 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 133 137) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|)) [2020-07-17 12:02:16,855 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-07-17 12:02:16,855 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-17 12:02:16,855 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-07-17 12:02:16,856 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-17 12:02:16,856 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: false [2020-07-17 12:02:16,856 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-07-17 12:02:16,856 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-07-17 12:02:16,856 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-07-17 12:02:16,856 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-07-17 12:02:16,856 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-07-17 12:02:16,857 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:02:16,857 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:02:16,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:02:16 BoogieIcfgContainer [2020-07-17 12:02:16,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:02:16,878 INFO L168 Benchmark]: Toolchain (without parser) took 4959.34 ms. Allocated memory was 138.4 MB in the beginning and 247.5 MB in the end (delta: 109.1 MB). Free memory was 101.2 MB in the beginning and 99.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 110.3 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:16,879 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-17 12:02:16,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.20 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 181.3 MB in the end (delta: -80.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:16,881 INFO L168 Benchmark]: Boogie Preprocessor took 96.53 ms. Allocated memory is still 203.4 MB. Free memory was 181.3 MB in the beginning and 179.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:16,882 INFO L168 Benchmark]: RCFGBuilder took 558.46 ms. Allocated memory is still 203.4 MB. Free memory was 179.2 MB in the beginning and 156.0 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:16,883 INFO L168 Benchmark]: TraceAbstraction took 3857.53 ms. Allocated memory was 203.4 MB in the beginning and 247.5 MB in the end (delta: 44.0 MB). Free memory was 155.3 MB in the beginning and 99.9 MB in the end (delta: 55.4 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:16,887 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 440.20 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 181.3 MB in the end (delta: -80.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.53 ms. Allocated memory is still 203.4 MB. Free memory was 181.3 MB in the beginning and 179.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 558.46 ms. Allocated memory is still 203.4 MB. Free memory was 179.2 MB in the beginning and 156.0 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3857.53 ms. Allocated memory was 203.4 MB in the beginning and 247.5 MB in the end (delta: 44.0 MB). Free memory was 155.3 MB in the beginning and 99.9 MB in the end (delta: 55.4 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (used_tmp_slot == 1 && !(0 == tmp_slot)) && !(0 == hp_slot_ptr) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (used_tmp_slot == 1 && !(0 == tmp_slot)) && !(0 == hp_slot_ptr) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 211 SDtfs, 190 SDslu, 729 SDs, 0 SdLazy, 714 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 31 PreInvPairs, 34 NumberOfFragments, 240 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 358 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 31194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 56/56 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...