/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 14:58:27,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 14:58:27,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 14:58:27,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 14:58:27,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 14:58:27,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 14:58:27,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 14:58:27,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 14:58:27,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 14:58:27,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 14:58:27,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 14:58:27,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 14:58:27,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 14:58:27,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 14:58:27,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 14:58:27,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 14:58:27,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 14:58:27,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 14:58:27,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 14:58:27,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 14:58:27,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 14:58:27,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 14:58:27,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 14:58:27,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 14:58:27,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 14:58:27,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 14:58:27,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 14:58:27,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 14:58:27,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 14:58:27,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-24 14:58:27,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 14:58:27,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 14:58:27,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 14:58:27,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 14:58:27,871 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 14:58:27,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 14:58:27,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 14:58:27,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 14:58:27,873 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 14:58:27,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 14:58:27,874 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 14:58:27,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 14:58:27,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 14:58:27,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 14:58:27,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 14:58:27,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 14:58:27,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 14:58:27,875 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 14:58:27,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 14:58:27,876 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 14:58:27,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 14:58:27,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 14:58:27,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 14:58:27,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 14:58:27,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 14:58:27,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 14:58:27,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 14:58:27,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 14:58:27,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 14:58:27,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 14:58:27,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 14:58:27,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 14:58:27,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 14:58:27,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-24 14:58:28,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 14:58:28,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 14:58:28,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 14:58:28,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 14:58:28,351 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 14:58:28,353 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-09-24 14:58:28,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e5c62423/a8d9822b6e984972bf53b6313200bb4b/FLAG4a57868ca [2020-09-24 14:58:28,988 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 14:58:28,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-09-24 14:58:28,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e5c62423/a8d9822b6e984972bf53b6313200bb4b/FLAG4a57868ca [2020-09-24 14:58:29,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e5c62423/a8d9822b6e984972bf53b6313200bb4b [2020-09-24 14:58:29,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 14:58:29,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 14:58:29,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 14:58:29,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 14:58:29,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 14:58:29,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:58:29" (1/1) ... [2020-09-24 14:58:29,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7702166d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:58:29, skipping insertion in model container [2020-09-24 14:58:29,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:58:29" (1/1) ... [2020-09-24 14:58:29,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 14:58:29,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 14:58:29,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:58:29,726 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 14:58:29,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:58:29,860 INFO L208 MainTranslator]: Completed translation [2020-09-24 14:58:29,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:58:29 WrapperNode [2020-09-24 14:58:29,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 14:58:29,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 14:58:29,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 14:58:29,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 14:58:29,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:58:29" (1/1) ... [2020-09-24 14:58:29,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:58:29" (1/1) ... [2020-09-24 14:58:29,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:58:29" (1/1) ... [2020-09-24 14:58:29,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:58:29" (1/1) ... [2020-09-24 14:58:29,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:58:29" (1/1) ... [2020-09-24 14:58:29,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:58:29" (1/1) ... [2020-09-24 14:58:29,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:58:29" (1/1) ... [2020-09-24 14:58:29,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 14:58:29,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 14:58:29,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 14:58:29,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 14:58:29,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:58:29" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 14:58:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 14:58:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 14:58:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-24 14:58:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 14:58:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 14:58:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-09-24 14:58:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-09-24 14:58:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-09-24 14:58:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-09-24 14:58:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 14:58:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 14:58:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 14:58:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-24 14:58:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 14:58:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 14:58:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 14:58:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 14:58:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 14:58:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-09-24 14:58:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 14:58:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-09-24 14:58:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-09-24 14:58:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-09-24 14:58:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 14:58:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 14:58:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 14:58:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 14:58:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 14:58:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 14:58:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 14:58:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 14:58:30,401 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 14:58:30,402 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 14:58:30,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:58:30 BoogieIcfgContainer [2020-09-24 14:58:30,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 14:58:30,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 14:58:30,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 14:58:30,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 14:58:30,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 02:58:29" (1/3) ... [2020-09-24 14:58:30,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af6246a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:58:30, skipping insertion in model container [2020-09-24 14:58:30,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:58:29" (2/3) ... [2020-09-24 14:58:30,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af6246a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:58:30, skipping insertion in model container [2020-09-24 14:58:30,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:58:30" (3/3) ... [2020-09-24 14:58:30,422 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-09-24 14:58:30,431 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 14:58:30,442 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 14:58:30,463 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 14:58:30,491 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 14:58:30,491 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 14:58:30,492 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 14:58:30,492 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 14:58:30,492 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 14:58:30,492 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 14:58:30,492 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 14:58:30,492 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 14:58:30,516 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-09-24 14:58:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 14:58:30,524 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:58:30,526 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:58:30,526 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:58:30,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:58:30,533 INFO L82 PathProgramCache]: Analyzing trace with hash -89061568, now seen corresponding path program 1 times [2020-09-24 14:58:30,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:58:30,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820776765] [2020-09-24 14:58:30,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:58:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:30,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:58:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:30,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 14:58:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:30,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:31,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 14:58:31,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820776765] [2020-09-24 14:58:31,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:58:31,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 14:58:31,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103497290] [2020-09-24 14:58:31,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:58:31,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:58:31,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:58:31,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:58:31,156 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 10 states. [2020-09-24 14:58:31,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:58:31,718 INFO L93 Difference]: Finished difference Result 117 states and 128 transitions. [2020-09-24 14:58:31,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 14:58:31,720 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-09-24 14:58:31,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:58:31,736 INFO L225 Difference]: With dead ends: 117 [2020-09-24 14:58:31,737 INFO L226 Difference]: Without dead ends: 96 [2020-09-24 14:58:31,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:58:31,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-09-24 14:58:31,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2020-09-24 14:58:31,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-24 14:58:31,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2020-09-24 14:58:31,810 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 38 [2020-09-24 14:58:31,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:58:31,812 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2020-09-24 14:58:31,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:58:31,813 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2020-09-24 14:58:31,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 14:58:31,816 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:58:31,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:58:31,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 14:58:31,817 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:58:31,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:58:31,817 INFO L82 PathProgramCache]: Analyzing trace with hash 754971495, now seen corresponding path program 1 times [2020-09-24 14:58:31,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:58:31,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813249405] [2020-09-24 14:58:31,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:58:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:31,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:58:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:32,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 14:58:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:32,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:32,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:32,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 14:58:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:32,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 14:58:32,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813249405] [2020-09-24 14:58:32,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:58:32,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 14:58:32,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705220077] [2020-09-24 14:58:32,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:58:32,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:58:32,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:58:32,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:58:32,176 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 10 states. [2020-09-24 14:58:32,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:58:32,806 INFO L93 Difference]: Finished difference Result 116 states and 120 transitions. [2020-09-24 14:58:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 14:58:32,806 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 14:58:32,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:58:32,810 INFO L225 Difference]: With dead ends: 116 [2020-09-24 14:58:32,810 INFO L226 Difference]: Without dead ends: 105 [2020-09-24 14:58:32,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-09-24 14:58:32,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-09-24 14:58:32,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2020-09-24 14:58:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-09-24 14:58:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 107 transitions. [2020-09-24 14:58:32,829 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 107 transitions. Word has length 53 [2020-09-24 14:58:32,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:58:32,829 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 107 transitions. [2020-09-24 14:58:32,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:58:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 107 transitions. [2020-09-24 14:58:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-24 14:58:32,832 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:58:32,833 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:58:32,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 14:58:32,833 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:58:32,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:58:32,834 INFO L82 PathProgramCache]: Analyzing trace with hash 2072899472, now seen corresponding path program 1 times [2020-09-24 14:58:32,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:58:32,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297643016] [2020-09-24 14:58:32,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:58:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:32,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:58:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:32,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 14:58:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:33,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:33,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:33,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 14:58:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:33,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:33,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 14:58:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:33,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:58:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:33,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:33,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 14:58:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-24 14:58:33,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297643016] [2020-09-24 14:58:33,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:58:33,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 14:58:33,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923190621] [2020-09-24 14:58:33,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 14:58:33,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:58:33,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 14:58:33,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-24 14:58:33,229 INFO L87 Difference]: Start difference. First operand 103 states and 107 transitions. Second operand 13 states. [2020-09-24 14:58:33,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:58:33,864 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2020-09-24 14:58:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 14:58:33,865 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 83 [2020-09-24 14:58:33,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:58:33,869 INFO L225 Difference]: With dead ends: 123 [2020-09-24 14:58:33,869 INFO L226 Difference]: Without dead ends: 104 [2020-09-24 14:58:33,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2020-09-24 14:58:33,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-24 14:58:33,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2020-09-24 14:58:33,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-09-24 14:58:33,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 105 transitions. [2020-09-24 14:58:33,897 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 105 transitions. Word has length 83 [2020-09-24 14:58:33,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:58:33,899 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 105 transitions. [2020-09-24 14:58:33,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 14:58:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2020-09-24 14:58:33,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-24 14:58:33,908 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:58:33,908 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:58:33,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 14:58:33,909 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:58:33,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:58:33,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1162317510, now seen corresponding path program 1 times [2020-09-24 14:58:33,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:58:33,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454594975] [2020-09-24 14:58:33,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:58:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:58:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 14:58:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 14:58:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 14:58:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:58:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:58:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 14:58:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 14:58:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:58:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-24 14:58:34,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454594975] [2020-09-24 14:58:34,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:58:34,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 14:58:34,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201493132] [2020-09-24 14:58:34,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 14:58:34,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:58:34,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 14:58:34,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:58:34,210 INFO L87 Difference]: Start difference. First operand 102 states and 105 transitions. Second operand 8 states. [2020-09-24 14:58:34,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:58:34,567 INFO L93 Difference]: Finished difference Result 104 states and 107 transitions. [2020-09-24 14:58:34,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 14:58:34,567 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-09-24 14:58:34,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:58:34,568 INFO L225 Difference]: With dead ends: 104 [2020-09-24 14:58:34,568 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 14:58:34,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-09-24 14:58:34,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 14:58:34,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 14:58:34,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 14:58:34,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 14:58:34,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-09-24 14:58:34,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:58:34,572 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 14:58:34,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 14:58:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 14:58:34,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 14:58:34,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 14:58:34,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 14:58:35,053 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-09-24 14:58:35,054 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 14:58:35,054 INFO L268 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-09-24 14:58:35,054 INFO L264 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 54 56) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (= ~tmp_slot~0.base 0)) [2020-09-24 14:58:35,054 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-09-24 14:58:35,055 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 14:58:35,055 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 14:58:35,055 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 14:58:35,055 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |old(#NULL.base)| |#NULL.base|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-24 14:58:35,055 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-24 14:58:35,055 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-24 14:58:35,056 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 14:58:35,056 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 14:58:35,056 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-09-24 14:58:35,056 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-09-24 14:58:35,056 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-09-24 14:58:35,056 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)) (= ~tmp_slot~0.base 0)) [2020-09-24 14:58:35,056 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 14:58:35,056 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-24 14:58:35,057 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-09-24 14:58:35,057 INFO L264 CegarLoopResult]: At program point L46-2(line 46) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (or (<= (+ |kzalloc_#t~malloc0.base| 1) 0) (< 0 |kzalloc_#t~malloc0.base|))) [2020-09-24 14:58:35,057 INFO L268 CegarLoopResult]: For program point L46-3(line 46) no Hoare annotation was computed. [2020-09-24 14:58:35,057 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-09-24 14:58:35,057 INFO L264 CegarLoopResult]: At program point kzallocENTRY(line 46) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-09-24 14:58:35,058 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-09-24 14:58:35,058 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-24 14:58:35,058 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-24 14:58:35,058 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-24 14:58:35,058 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-24 14:58:35,058 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-09-24 14:58:35,059 INFO L268 CegarLoopResult]: For program point L67-2(line 67) no Hoare annotation was computed. [2020-09-24 14:58:35,059 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-09-24 14:58:35,059 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-09-24 14:58:35,059 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 14:58:35,059 INFO L268 CegarLoopResult]: For program point L67-1(line 67) no Hoare annotation was computed. [2020-09-24 14:58:35,059 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-09-24 14:58:35,059 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-09-24 14:58:35,060 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-09-24 14:58:35,060 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-24 14:58:35,060 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-09-24 14:58:35,060 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-24 14:58:35,060 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-09-24 14:58:35,060 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-09-24 14:58:35,060 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-09-24 14:58:35,060 INFO L268 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2020-09-24 14:58:35,061 INFO L268 CegarLoopResult]: For program point L118-3(line 118) no Hoare annotation was computed. [2020-09-24 14:58:35,061 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-09-24 14:58:35,061 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-24 14:58:35,061 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-09-24 14:58:35,061 INFO L264 CegarLoopResult]: At program point L81-1(line 81) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-09-24 14:58:35,061 INFO L268 CegarLoopResult]: For program point L114-2(line 114) no Hoare annotation was computed. [2020-09-24 14:58:35,062 INFO L268 CegarLoopResult]: For program point L114-3(line 114) no Hoare annotation was computed. [2020-09-24 14:58:35,062 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-09-24 14:58:35,062 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 14:58:35,062 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-24 14:58:35,062 INFO L268 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-09-24 14:58:35,062 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 14:58:35,062 INFO L264 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-09-24 14:58:35,063 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 14:58:35,063 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-09-24 14:58:35,063 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-24 14:58:35,063 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-09-24 14:58:35,063 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-24 14:58:35,063 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 14:58:35,063 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-09-24 14:58:35,064 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-24 14:58:35,064 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-09-24 14:58:35,064 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 14:58:35,064 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-09-24 14:58:35,064 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-24 14:58:35,066 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-09-24 14:58:35,066 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)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 14:58:35,066 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-09-24 14:58:35,067 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-09-24 14:58:35,067 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-09-24 14:58:35,067 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 14:58:35,067 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 14:58:35,067 INFO L268 CegarLoopResult]: For program point L109-1(line 109) no Hoare annotation was computed. [2020-09-24 14:58:35,067 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-09-24 14:58:35,067 INFO L268 CegarLoopResult]: For program point L76-2(line 76) no Hoare annotation was computed. [2020-09-24 14:58:35,068 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 14:58:35,068 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 14:58:35,068 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 14:58:35,068 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 14:58:35,068 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 133 137) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 14:58:35,068 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-09-24 14:58:35,069 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 14:58:35,069 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-09-24 14:58:35,069 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-24 14:58:35,069 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: false [2020-09-24 14:58:35,070 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-09-24 14:58:35,070 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-09-24 14:58:35,070 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-09-24 14:58:35,070 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-09-24 14:58:35,070 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-09-24 14:58:35,070 INFO L268 CegarLoopResult]: For program point L62-2(line 62) no Hoare annotation was computed. [2020-09-24 14:58:35,070 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-09-24 14:58:35,071 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-09-24 14:58:35,071 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-09-24 14:58:35,071 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-09-24 14:58:35,071 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-09-24 14:58:35,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 02:58:35 BoogieIcfgContainer [2020-09-24 14:58:35,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 14:58:35,108 INFO L168 Benchmark]: Toolchain (without parser) took 5754.12 ms. Allocated memory was 139.5 MB in the beginning and 283.6 MB in the end (delta: 144.2 MB). Free memory was 103.1 MB in the beginning and 157.5 MB in the end (delta: -54.4 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2020-09-24 14:58:35,110 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 14:58:35,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.73 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 102.5 MB in the beginning and 181.2 MB in the end (delta: -78.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-09-24 14:58:35,121 INFO L168 Benchmark]: Boogie Preprocessor took 51.30 ms. Allocated memory is still 202.4 MB. Free memory was 181.2 MB in the beginning and 178.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-09-24 14:58:35,123 INFO L168 Benchmark]: RCFGBuilder took 499.83 ms. Allocated memory is still 202.4 MB. Free memory was 178.7 MB in the beginning and 152.1 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2020-09-24 14:58:35,124 INFO L168 Benchmark]: TraceAbstraction took 4689.52 ms. Allocated memory was 202.4 MB in the beginning and 283.6 MB in the end (delta: 81.3 MB). Free memory was 151.5 MB in the beginning and 157.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 75.2 MB. Max. memory is 7.1 GB. [2020-09-24 14:58:35,137 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 503.73 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 102.5 MB in the beginning and 181.2 MB in the end (delta: -78.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.30 ms. Allocated memory is still 202.4 MB. Free memory was 181.2 MB in the beginning and 178.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 499.83 ms. Allocated memory is still 202.4 MB. Free memory was 178.7 MB in the beginning and 152.1 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4689.52 ms. Allocated memory was 202.4 MB in the beginning and 283.6 MB in the end (delta: 81.3 MB). Free memory was 151.5 MB in the beginning and 157.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 75.2 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: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 341 SDtfs, 451 SDslu, 1053 SDs, 0 SdLazy, 1118 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 31 PreInvPairs, 34 NumberOfFragments, 240 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 22 FomulaSimplificationsInter, 358 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 54848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 70/70 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...