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.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:08:23,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:08:23,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:08:23,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:08:23,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:08:23,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:08:23,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:08:23,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:08:23,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:08:23,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:08:24,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:08:24,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:08:24,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:08:24,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:08:24,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:08:24,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:08:24,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:08:24,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:08:24,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:08:24,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:08:24,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:08:24,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:08:24,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:08:24,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:08:24,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 23:08:24,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:08:24,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:08:24,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:08:24,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:08:24,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:08:24,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:08:24,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:08:24,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:08:24,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:08:24,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:08:24,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:08:24,035 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 [2019-10-14 23:08:24,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:08:24,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:08:24,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:08:24,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:08:24,069 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:08:24,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:08:24,070 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:08:24,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:08:24,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:08:24,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:08:24,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:08:24,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:08:24,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:08:24,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:08:24,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:08:24,073 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:08:24,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:08:24,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:08:24,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:08:24,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:08:24,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:08:24,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:08:24,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:08:24,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:08:24,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:08:24,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:08:24,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:08:24,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:08:24,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:08:24,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:08:24,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:08:24,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:08:24,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:08:24,412 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:08:24,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2019-10-14 23:08:24,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeca4818f/aef2cc67a85245afafe89e18d957a5f8/FLAGffb2a3f8e [2019-10-14 23:08:25,033 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:08:25,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2019-10-14 23:08:25,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeca4818f/aef2cc67a85245afafe89e18d957a5f8/FLAGffb2a3f8e [2019-10-14 23:08:25,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeca4818f/aef2cc67a85245afafe89e18d957a5f8 [2019-10-14 23:08:25,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:08:25,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:08:25,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:25,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:08:25,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:08:25,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:25" (1/1) ... [2019-10-14 23:08:25,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f461a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:25, skipping insertion in model container [2019-10-14 23:08:25,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:25" (1/1) ... [2019-10-14 23:08:25,363 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:08:25,386 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:08:25,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:25,593 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:08:25,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:25,723 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:08:25,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:25 WrapperNode [2019-10-14 23:08:25,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:25,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:08:25,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:08:25,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:08:25,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:25" (1/1) ... [2019-10-14 23:08:25,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:25" (1/1) ... [2019-10-14 23:08:25,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:25" (1/1) ... [2019-10-14 23:08:25,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:25" (1/1) ... [2019-10-14 23:08:25,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:25" (1/1) ... [2019-10-14 23:08:25,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:25" (1/1) ... [2019-10-14 23:08:25,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:25" (1/1) ... [2019-10-14 23:08:25,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:08:25,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:08:25,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:08:25,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:08:25,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:25" (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 [2019-10-14 23:08:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:08:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:08:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-10-14 23:08:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 23:08:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 23:08:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2019-10-14 23:08:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2019-10-14 23:08:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2019-10-14 23:08:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2019-10-14 23:08:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:08:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 23:08:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:08:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-10-14 23:08:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 23:08:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 23:08:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:08:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 23:08:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 23:08:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 23:08:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2019-10-14 23:08:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:08:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2019-10-14 23:08:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2019-10-14 23:08:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2019-10-14 23:08:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:08:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:08:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:08:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:08:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:08:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:08:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:08:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:08:26,253 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:08:26,253 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 23:08:26,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:08:26 BoogieIcfgContainer [2019-10-14 23:08:26,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:08:26,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:08:26,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:08:26,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:08:26,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:08:25" (1/3) ... [2019-10-14 23:08:26,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f87f8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:08:26, skipping insertion in model container [2019-10-14 23:08:26,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:25" (2/3) ... [2019-10-14 23:08:26,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f87f8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:08:26, skipping insertion in model container [2019-10-14 23:08:26,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:08:26" (3/3) ... [2019-10-14 23:08:26,264 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2019-10-14 23:08:26,273 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:08:26,279 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:08:26,290 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:08:26,318 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:08:26,318 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:08:26,318 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:08:26,318 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:08:26,319 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:08:26,319 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:08:26,319 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:08:26,319 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:08:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-10-14 23:08:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-14 23:08:26,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:26,350 INFO L380 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] [2019-10-14 23:08:26,352 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:26,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:26,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1026962197, now seen corresponding path program 1 times [2019-10-14 23:08:26,369 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:26,369 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67206661] [2019-10-14 23:08:26,370 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:26,370 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:26,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:08:26,924 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67206661] [2019-10-14 23:08:26,926 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:08:26,927 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:08:26,927 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044304368] [2019-10-14 23:08:26,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:08:26,933 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:26,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:08:26,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:08:26,951 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 10 states. [2019-10-14 23:08:27,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:27,438 INFO L93 Difference]: Finished difference Result 78 states and 90 transitions. [2019-10-14 23:08:27,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-14 23:08:27,440 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2019-10-14 23:08:27,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:27,455 INFO L225 Difference]: With dead ends: 78 [2019-10-14 23:08:27,456 INFO L226 Difference]: Without dead ends: 59 [2019-10-14 23:08:27,467 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:08:27,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-10-14 23:08:27,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2019-10-14 23:08:27,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-10-14 23:08:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2019-10-14 23:08:27,523 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 26 [2019-10-14 23:08:27,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:27,525 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2019-10-14 23:08:27,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:08:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2019-10-14 23:08:27,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-14 23:08:27,528 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:27,529 INFO L380 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] [2019-10-14 23:08:27,529 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:27,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:27,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1241242415, now seen corresponding path program 1 times [2019-10-14 23:08:27,530 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:27,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976111700] [2019-10-14 23:08:27,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:27,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:27,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-14 23:08:27,833 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976111700] [2019-10-14 23:08:27,834 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:08:27,834 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:08:27,834 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986190321] [2019-10-14 23:08:27,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:08:27,837 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:27,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:08:27,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:08:27,839 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 10 states. [2019-10-14 23:08:28,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:28,310 INFO L93 Difference]: Finished difference Result 68 states and 74 transitions. [2019-10-14 23:08:28,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:08:28,311 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2019-10-14 23:08:28,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:28,313 INFO L225 Difference]: With dead ends: 68 [2019-10-14 23:08:28,314 INFO L226 Difference]: Without dead ends: 59 [2019-10-14 23:08:28,317 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:08:28,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-10-14 23:08:28,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2019-10-14 23:08:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-10-14 23:08:28,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2019-10-14 23:08:28,342 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 37 [2019-10-14 23:08:28,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:28,343 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2019-10-14 23:08:28,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:08:28,344 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2019-10-14 23:08:28,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-14 23:08:28,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:28,349 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:08:28,350 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:28,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:28,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1194372345, now seen corresponding path program 1 times [2019-10-14 23:08:28,351 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:28,351 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741395721] [2019-10-14 23:08:28,351 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:28,351 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:28,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-14 23:08:28,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741395721] [2019-10-14 23:08:28,557 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:08:28,557 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 23:08:28,558 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843272735] [2019-10-14 23:08:28,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 23:08:28,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:28,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 23:08:28,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:08:28,559 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand 7 states. [2019-10-14 23:08:28,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:28,893 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2019-10-14 23:08:28,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:08:28,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-14 23:08:28,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:28,895 INFO L225 Difference]: With dead ends: 77 [2019-10-14 23:08:28,895 INFO L226 Difference]: Without dead ends: 47 [2019-10-14 23:08:28,896 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:08:28,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-14 23:08:28,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-10-14 23:08:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-14 23:08:28,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2019-10-14 23:08:28,905 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 54 [2019-10-14 23:08:28,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:28,905 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2019-10-14 23:08:28,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 23:08:28,906 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2019-10-14 23:08:28,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-14 23:08:28,907 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:28,907 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:08:28,907 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:28,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:28,908 INFO L82 PathProgramCache]: Analyzing trace with hash -959605864, now seen corresponding path program 1 times [2019-10-14 23:08:28,908 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:28,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918023807] [2019-10-14 23:08:28,910 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:28,910 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:28,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-14 23:08:29,106 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918023807] [2019-10-14 23:08:29,106 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:08:29,107 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:08:29,107 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275661718] [2019-10-14 23:08:29,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:08:29,110 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:29,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:08:29,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:08:29,111 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 8 states. [2019-10-14 23:08:29,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:29,475 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2019-10-14 23:08:29,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:08:29,476 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-10-14 23:08:29,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:29,477 INFO L225 Difference]: With dead ends: 52 [2019-10-14 23:08:29,477 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:08:29,478 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:08:29,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:08:29,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:08:29,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:08:29,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:08:29,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-14 23:08:29,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:29,480 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:08:29,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:08:29,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:08:29,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:08:29,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:08:29,978 INFO L443 ceAbstractionStarter]: For program point ibmphp_find_same_bus_numEXIT(lines 55 57) no Hoare annotation was computed. [2019-10-14 23:08:29,979 INFO L446 ceAbstractionStarter]: At program point ibmphp_find_same_bus_numENTRY(lines 55 57) the Hoare annotation is: true [2019-10-14 23:08:29,979 INFO L443 ceAbstractionStarter]: For program point ibmphp_find_same_bus_numFINAL(lines 55 57) no Hoare annotation was computed. [2019-10-14 23:08:29,979 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:08:29,980 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|)) [2019-10-14 23:08:29,980 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:08:29,980 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-10-14 23:08:29,980 INFO L443 ceAbstractionStarter]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2019-10-14 23:08:29,980 INFO L443 ceAbstractionStarter]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2019-10-14 23:08:29,980 INFO L439 ceAbstractionStarter]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= 0 ~tmp_slot~0.base) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2019-10-14 23:08:29,981 INFO L439 ceAbstractionStarter]: At program point L46(line 46) the Hoare annotation is: (or (and (or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0)) (= |#memory_int| |old(#memory_int)|)) (not (= ~freed_tmp_slot~0 1))) [2019-10-14 23:08:29,981 INFO L443 ceAbstractionStarter]: For program point L46-1(line 46) no Hoare annotation was computed. [2019-10-14 23:08:29,981 INFO L443 ceAbstractionStarter]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2019-10-14 23:08:29,981 INFO L439 ceAbstractionStarter]: At program point kzallocENTRY(line 46) the Hoare annotation is: (or (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) (not (= ~freed_tmp_slot~0 1))) [2019-10-14 23:08:29,981 INFO L443 ceAbstractionStarter]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2019-10-14 23:08:29,981 INFO L443 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-10-14 23:08:29,981 INFO L443 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2019-10-14 23:08:29,982 INFO L443 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2019-10-14 23:08:29,982 INFO L446 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2019-10-14 23:08:29,982 INFO L446 ceAbstractionStarter]: At program point ibmphp_init_devnoENTRY(lines 66 69) the Hoare annotation is: true [2019-10-14 23:08:29,982 INFO L443 ceAbstractionStarter]: For program point ibmphp_init_devnoFINAL(lines 66 69) no Hoare annotation was computed. [2019-10-14 23:08:29,982 INFO L443 ceAbstractionStarter]: For program point ibmphp_init_devnoEXIT(lines 66 69) no Hoare annotation was computed. [2019-10-14 23:08:29,982 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (and (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= ~tmp_slot~0.base 0))) (not (= |old(~freed_tmp_slot~0)| 1))) [2019-10-14 23:08:29,982 INFO L443 ceAbstractionStarter]: For program point ebda_rsrc_controllerEXIT(lines 71 132) no Hoare annotation was computed. [2019-10-14 23:08:29,983 INFO L443 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2019-10-14 23:08:29,983 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= ~tmp_slot~0.base 0)))) (or (and .cse0 (= ~freed_tmp_slot~0 1) .cse1) (not (= |old(~freed_tmp_slot~0)| 1)) (and .cse0 (= ~used_tmp_slot~0 1) .cse1))) [2019-10-14 23:08:29,983 INFO L443 ceAbstractionStarter]: For program point L126-1(line 126) no Hoare annotation was computed. [2019-10-14 23:08:29,983 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-10-14 23:08:29,983 INFO L443 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2019-10-14 23:08:29,983 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|)) (not (= |old(~freed_tmp_slot~0)| 1))) [2019-10-14 23:08:29,984 INFO L443 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2019-10-14 23:08:29,984 INFO L439 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (or (and (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= ~tmp_slot~0.base 0))) (not (= |old(~freed_tmp_slot~0)| 1))) [2019-10-14 23:08:29,984 INFO L443 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2019-10-14 23:08:29,984 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-10-14 23:08:29,984 INFO L439 ceAbstractionStarter]: At program point L127(lines 71 132) the Hoare annotation is: (let ((.cse0 (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= ~tmp_slot~0.base 0)))) (or (and .cse0 (= ~freed_tmp_slot~0 1) .cse1) (not (= |old(~freed_tmp_slot~0)| 1)) (and .cse0 (= ~used_tmp_slot~0 1) .cse1))) [2019-10-14 23:08:29,985 INFO L439 ceAbstractionStarter]: At program point ebda_rsrc_controllerENTRY(lines 71 132) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|)) (not (= |old(~freed_tmp_slot~0)| 1))) [2019-10-14 23:08:29,985 INFO L443 ceAbstractionStarter]: For program point ebda_rsrc_controllerFINAL(lines 71 132) no Hoare annotation was computed. [2019-10-14 23:08:29,985 INFO L439 ceAbstractionStarter]: At program point L121(lines 71 132) the Hoare annotation is: (let ((.cse0 (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= ~tmp_slot~0.base 0)))) (or (and .cse0 (= ~freed_tmp_slot~0 1) .cse1) (not (= |old(~freed_tmp_slot~0)| 1)) (and .cse0 (= ~used_tmp_slot~0 1) .cse1))) [2019-10-14 23:08:29,985 INFO L439 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (or (not (= |old(~freed_tmp_slot~0)| 1)) (and (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~used_tmp_slot~0 1) (not (= ~tmp_slot~0.base 0)))) [2019-10-14 23:08:29,985 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 89) no Hoare annotation was computed. [2019-10-14 23:08:29,986 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-10-14 23:08:29,986 INFO L439 ceAbstractionStarter]: At program point L84(line 84) the Hoare annotation is: (or (not (= |old(~freed_tmp_slot~0)| 1)) (and (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|))) [2019-10-14 23:08:29,986 INFO L443 ceAbstractionStarter]: For program point L84-1(line 84) no Hoare annotation was computed. [2019-10-14 23:08:29,986 INFO L439 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (or (not (= |old(~freed_tmp_slot~0)| 1)) (and (not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~used_tmp_slot~0 1) (not (= ~tmp_slot~0.base 0)))) [2019-10-14 23:08:29,986 INFO L443 ceAbstractionStarter]: For program point L115-1(line 115) no Hoare annotation was computed. [2019-10-14 23:08:29,986 INFO L443 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2019-10-14 23:08:29,987 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:08:29,987 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ~freed_tmp_slot~0 1) [2019-10-14 23:08:29,987 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:08:29,987 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:08:29,987 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 134 138) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|)) (not (= |old(~freed_tmp_slot~0)| 1))) [2019-10-14 23:08:29,987 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 134 138) no Hoare annotation was computed. [2019-10-14 23:08:29,987 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-10-14 23:08:29,988 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 137) no Hoare annotation was computed. [2019-10-14 23:08:29,988 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-14 23:08:29,988 INFO L439 ceAbstractionStarter]: At program point L137-2(line 137) the Hoare annotation is: (not (= |old(~freed_tmp_slot~0)| 1)) [2019-10-14 23:08:29,988 INFO L443 ceAbstractionStarter]: For program point L136-1(lines 134 138) no Hoare annotation was computed. [2019-10-14 23:08:29,988 INFO L446 ceAbstractionStarter]: At program point fillslotinfoENTRY(lines 61 64) the Hoare annotation is: true [2019-10-14 23:08:29,988 INFO L443 ceAbstractionStarter]: For program point fillslotinfoEXIT(lines 61 64) no Hoare annotation was computed. [2019-10-14 23:08:29,989 INFO L443 ceAbstractionStarter]: For program point fillslotinfoFINAL(lines 61 64) no Hoare annotation was computed. [2019-10-14 23:08:29,989 INFO L439 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (or (= |#memory_int| |old(#memory_int)|) (not (= ~freed_tmp_slot~0 1))) [2019-10-14 23:08:29,989 INFO L443 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:08:29,989 INFO L443 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:08:30,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:08:30 BoogieIcfgContainer [2019-10-14 23:08:30,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:08:30,009 INFO L168 Benchmark]: Toolchain (without parser) took 4663.04 ms. Allocated memory was 135.8 MB in the beginning and 253.8 MB in the end (delta: 118.0 MB). Free memory was 99.1 MB in the beginning and 154.3 MB in the end (delta: -55.2 MB). Peak memory consumption was 131.6 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:30,010 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-14 23:08:30,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.33 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 98.9 MB in the beginning and 177.8 MB in the end (delta: -78.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:30,012 INFO L168 Benchmark]: Boogie Preprocessor took 53.30 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 175.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:30,012 INFO L168 Benchmark]: RCFGBuilder took 476.50 ms. Allocated memory is still 199.8 MB. Free memory was 175.7 MB in the beginning and 152.4 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:30,013 INFO L168 Benchmark]: TraceAbstraction took 3750.00 ms. Allocated memory was 199.8 MB in the beginning and 253.8 MB in the end (delta: 54.0 MB). Free memory was 152.4 MB in the beginning and 154.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 121.0 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:30,018 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 378.33 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 98.9 MB in the beginning and 177.8 MB in the end (delta: -78.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.30 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 175.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 476.50 ms. Allocated memory is still 199.8 MB. Free memory was 175.7 MB in the beginning and 152.4 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3750.00 ms. Allocated memory was 199.8 MB in the beginning and 253.8 MB in the end (delta: 54.0 MB). Free memory was 152.4 MB in the beginning and 154.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 121.0 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: 71]: Loop Invariant Derived loop invariant: (((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(tmp_slot == 0)) || !(\old(freed_tmp_slot) == 1)) || ((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(tmp_slot == 0)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(tmp_slot == 0)) || !(\old(freed_tmp_slot) == 1)) || ((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(tmp_slot == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 63 locations, 1 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 215 SDtfs, 198 SDslu, 510 SDs, 0 SdLazy, 630 SolverSat, 141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, 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, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 30 PreInvPairs, 34 NumberOfFragments, 343 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 380 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 23898 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...