/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 22:18:56,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 22:18:56,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 22:18:56,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 22:18:56,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 22:18:56,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 22:18:56,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 22:18:56,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 22:18:57,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 22:18:57,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 22:18:57,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 22:18:57,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 22:18:57,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 22:18:57,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 22:18:57,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 22:18:57,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 22:18:57,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 22:18:57,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 22:18:57,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 22:18:57,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 22:18:57,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 22:18:57,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 22:18:57,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 22:18:57,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 22:18:57,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 22:18:57,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 22:18:57,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 22:18:57,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 22:18:57,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 22:18:57,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 22:18:57,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 22:18:57,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 22:18:57,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 22:18:57,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 22:18:57,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 22:18:57,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 22:18:57,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 22:18:57,062 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 22:18:57,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 22:18:57,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 22:18:57,064 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 22:18:57,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 22:18:57,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 22:18:57,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 22:18:57,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 22:18:57,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 22:18:57,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 22:18:57,066 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 22:18:57,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 22:18:57,067 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 22:18:57,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 22:18:57,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 22:18:57,067 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 22:18:57,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 22:18:57,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 22:18:57,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 22:18:57,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 22:18:57,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 22:18:57,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 22:18:57,069 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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: Use separate solver for trace checks -> true [2020-08-22 22:18:57,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 22:18:57,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 22:18:57,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 22:18:57,381 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 22:18:57,383 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 22:18:57,384 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-08-22 22:18:57,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d73c8f79/1128b2874d0841c28eac56ca738b2985/FLAG51c723356 [2020-08-22 22:18:57,890 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 22:18:57,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-08-22 22:18:57,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d73c8f79/1128b2874d0841c28eac56ca738b2985/FLAG51c723356 [2020-08-22 22:18:58,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d73c8f79/1128b2874d0841c28eac56ca738b2985 [2020-08-22 22:18:58,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 22:18:58,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 22:18:58,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 22:18:58,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 22:18:58,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 22:18:58,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:18:58" (1/1) ... [2020-08-22 22:18:58,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3b1d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:58, skipping insertion in model container [2020-08-22 22:18:58,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:18:58" (1/1) ... [2020-08-22 22:18:58,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 22:18:58,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 22:18:58,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 22:18:58,560 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 22:18:58,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 22:18:58,704 INFO L208 MainTranslator]: Completed translation [2020-08-22 22:18:58,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:58 WrapperNode [2020-08-22 22:18:58,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 22:18:58,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 22:18:58,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 22:18:58,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 22:18:58,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:58" (1/1) ... [2020-08-22 22:18:58,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:58" (1/1) ... [2020-08-22 22:18:58,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:58" (1/1) ... [2020-08-22 22:18:58,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:58" (1/1) ... [2020-08-22 22:18:58,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:58" (1/1) ... [2020-08-22 22:18:58,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:58" (1/1) ... [2020-08-22 22:18:58,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:58" (1/1) ... [2020-08-22 22:18:58,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 22:18:58,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 22:18:58,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 22:18:58,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 22:18:58,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 22:18:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 22:18:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 22:18:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-08-22 22:18:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-08-22 22:18:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-22 22:18:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-08-22 22:18:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-08-22 22:18:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-08-22 22:18:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-08-22 22:18:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 22:18:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-22 22:18:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 22:18:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-08-22 22:18:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-22 22:18:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-08-22 22:18:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 22:18:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-22 22:18:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-22 22:18:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-08-22 22:18:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 22:18:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-08-22 22:18:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-08-22 22:18:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-08-22 22:18:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 22:18:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 22:18:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 22:18:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 22:18:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 22:18:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 22:18:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 22:18:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 22:18:59,284 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 22:18:59,285 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 22:18:59,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:18:59 BoogieIcfgContainer [2020-08-22 22:18:59,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 22:18:59,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 22:18:59,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 22:18:59,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 22:18:59,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 10:18:58" (1/3) ... [2020-08-22 22:18:59,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cd2791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:18:59, skipping insertion in model container [2020-08-22 22:18:59,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:58" (2/3) ... [2020-08-22 22:18:59,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cd2791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:18:59, skipping insertion in model container [2020-08-22 22:18:59,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:18:59" (3/3) ... [2020-08-22 22:18:59,300 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-08-22 22:18:59,312 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 22:18:59,321 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 22:18:59,335 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 22:18:59,355 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 22:18:59,356 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 22:18:59,356 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 22:18:59,356 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 22:18:59,356 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 22:18:59,356 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 22:18:59,356 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 22:18:59,357 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 22:18:59,374 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-08-22 22:18:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-08-22 22:18:59,386 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 22:18:59,387 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] [2020-08-22 22:18:59,388 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 22:18:59,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 22:18:59,395 INFO L82 PathProgramCache]: Analyzing trace with hash -89061568, now seen corresponding path program 1 times [2020-08-22 22:18:59,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 22:18:59,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285963482] [2020-08-22 22:18:59,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 22:18:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:18:59,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:18:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:18:59,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 22:18:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:18:59,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:18:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:18:59,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:18:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:18:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 22:18:59,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285963482] [2020-08-22 22:19:00,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 22:19:00,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 22:19:00,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577300023] [2020-08-22 22:19:00,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 22:19:00,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 22:19:00,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 22:19:00,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 22:19:00,029 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 10 states. [2020-08-22 22:19:00,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 22:19:00,739 INFO L93 Difference]: Finished difference Result 117 states and 128 transitions. [2020-08-22 22:19:00,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 22:19:00,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-08-22 22:19:00,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 22:19:00,756 INFO L225 Difference]: With dead ends: 117 [2020-08-22 22:19:00,756 INFO L226 Difference]: Without dead ends: 96 [2020-08-22 22:19:00,760 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 [2020-08-22 22:19:00,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-08-22 22:19:00,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2020-08-22 22:19:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-22 22:19:00,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2020-08-22 22:19:00,823 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 38 [2020-08-22 22:19:00,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 22:19:00,825 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2020-08-22 22:19:00,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 22:19:00,826 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2020-08-22 22:19:00,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-22 22:19:00,828 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 22:19:00,829 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] [2020-08-22 22:19:00,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 22:19:00,829 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 22:19:00,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 22:19:00,830 INFO L82 PathProgramCache]: Analyzing trace with hash 754971495, now seen corresponding path program 1 times [2020-08-22 22:19:00,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 22:19:00,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303189727] [2020-08-22 22:19:00,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 22:19:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:00,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:00,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 22:19:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 22:19:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 22:19:01,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303189727] [2020-08-22 22:19:01,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 22:19:01,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 22:19:01,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083744628] [2020-08-22 22:19:01,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 22:19:01,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 22:19:01,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 22:19:01,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 22:19:01,156 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 10 states. [2020-08-22 22:19:01,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 22:19:01,803 INFO L93 Difference]: Finished difference Result 116 states and 120 transitions. [2020-08-22 22:19:01,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 22:19:01,804 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-08-22 22:19:01,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 22:19:01,809 INFO L225 Difference]: With dead ends: 116 [2020-08-22 22:19:01,809 INFO L226 Difference]: Without dead ends: 105 [2020-08-22 22:19:01,811 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 [2020-08-22 22:19:01,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-08-22 22:19:01,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2020-08-22 22:19:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-08-22 22:19:01,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 107 transitions. [2020-08-22 22:19:01,857 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 107 transitions. Word has length 53 [2020-08-22 22:19:01,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 22:19:01,859 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 107 transitions. [2020-08-22 22:19:01,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 22:19:01,865 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 107 transitions. [2020-08-22 22:19:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-08-22 22:19:01,870 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 22:19:01,871 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] [2020-08-22 22:19:01,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 22:19:01,871 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 22:19:01,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 22:19:01,874 INFO L82 PathProgramCache]: Analyzing trace with hash 2072899472, now seen corresponding path program 1 times [2020-08-22 22:19:01,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 22:19:01,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2921041] [2020-08-22 22:19:01,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 22:19:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 22:19:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 22:19:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 22:19:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 22:19:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-08-22 22:19:02,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2921041] [2020-08-22 22:19:02,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 22:19:02,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 22:19:02,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907491462] [2020-08-22 22:19:02,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 22:19:02,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 22:19:02,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 22:19:02,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-08-22 22:19:02,258 INFO L87 Difference]: Start difference. First operand 103 states and 107 transitions. Second operand 13 states. [2020-08-22 22:19:02,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 22:19:02,876 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2020-08-22 22:19:02,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 22:19:02,878 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 83 [2020-08-22 22:19:02,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 22:19:02,881 INFO L225 Difference]: With dead ends: 123 [2020-08-22 22:19:02,881 INFO L226 Difference]: Without dead ends: 104 [2020-08-22 22:19:02,883 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 [2020-08-22 22:19:02,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-08-22 22:19:02,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2020-08-22 22:19:02,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-22 22:19:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 105 transitions. [2020-08-22 22:19:02,901 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 105 transitions. Word has length 83 [2020-08-22 22:19:02,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 22:19:02,902 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 105 transitions. [2020-08-22 22:19:02,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 22:19:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2020-08-22 22:19:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-22 22:19:02,904 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 22:19:02,904 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] [2020-08-22 22:19:02,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 22:19:02,905 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 22:19:02,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 22:19:02,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1162317510, now seen corresponding path program 1 times [2020-08-22 22:19:02,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 22:19:02,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175855106] [2020-08-22 22:19:02,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 22:19:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 22:19:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 22:19:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 22:19:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-22 22:19:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-22 22:19:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-08-22 22:19:03,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175855106] [2020-08-22 22:19:03,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 22:19:03,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 22:19:03,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954910780] [2020-08-22 22:19:03,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 22:19:03,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 22:19:03,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 22:19:03,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-08-22 22:19:03,146 INFO L87 Difference]: Start difference. First operand 102 states and 105 transitions. Second operand 8 states. [2020-08-22 22:19:03,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 22:19:03,477 INFO L93 Difference]: Finished difference Result 104 states and 107 transitions. [2020-08-22 22:19:03,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 22:19:03,478 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-08-22 22:19:03,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 22:19:03,479 INFO L225 Difference]: With dead ends: 104 [2020-08-22 22:19:03,480 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 22:19:03,486 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 [2020-08-22 22:19:03,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 22:19:03,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 22:19:03,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 22:19:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 22:19:03,487 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-08-22 22:19:03,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 22:19:03,487 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 22:19:03,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 22:19:03,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 22:19:03,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 22:19:03,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 22:19:03,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 22:19:04,643 INFO L264 CegarLoopResult]: At program point ibmphp_find_same_bus_numEXIT(lines 54 56) the Hoare annotation is: (or (<= (+ |ibmphp_find_same_bus_num_#res.base| 1) 0) (= ~tmp_slot~0.base 0) (<= 1 |ibmphp_find_same_bus_num_#res.base|)) [2020-08-22 22:19:04,643 INFO L264 CegarLoopResult]: At program point L55(line 55) the Hoare annotation is: (or (<= 1 |ibmphp_find_same_bus_num_#t~ret1.base|) (= ~tmp_slot~0.base 0) (<= (+ |ibmphp_find_same_bus_num_#t~ret1.base| 1) 0)) [2020-08-22 22:19:04,644 INFO L264 CegarLoopResult]: At program point L55-1(line 55) the Hoare annotation is: (or (and (or (<= (+ |ibmphp_find_same_bus_num_#res.base| 1) 0) (<= 1 |ibmphp_find_same_bus_num_#res.base|)) (or (<= 1 |ibmphp_find_same_bus_num_#t~ret1.base|) (<= (+ |ibmphp_find_same_bus_num_#t~ret1.base| 1) 0))) (= ~tmp_slot~0.base 0)) [2020-08-22 22:19:04,644 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)) [2020-08-22 22:19:04,644 INFO L264 CegarLoopResult]: At program point ibmphp_find_same_bus_numFINAL(lines 54 56) the Hoare annotation is: (or (<= (+ |ibmphp_find_same_bus_num_#res.base| 1) 0) (= ~tmp_slot~0.base 0) (<= 1 |ibmphp_find_same_bus_num_#res.base|)) [2020-08-22 22:19:04,644 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~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(#valid)| |#valid|)) [2020-08-22 22:19:04,644 INFO L264 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-08-22 22:19:04,644 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 22:19:04,647 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|)) [2020-08-22 22:19:04,647 INFO L264 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-08-22 22:19:04,648 INFO L264 CegarLoopResult]: At program point L40(line 40) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-08-22 22:19:04,648 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-08-22 22:19:04,648 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 22:19:04,648 INFO L264 CegarLoopResult]: At program point L49(lines 49 50) 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)) [2020-08-22 22:19:04,648 INFO L271 CegarLoopResult]: At program point kfreeEXIT(lines 48 51) the Hoare annotation is: true [2020-08-22 22:19:04,648 INFO L271 CegarLoopResult]: At program point L49-2(lines 48 51) the Hoare annotation is: true [2020-08-22 22:19:04,648 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)) [2020-08-22 22:19:04,649 INFO L264 CegarLoopResult]: At program point L50(line 50) 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)) [2020-08-22 22:19:04,649 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-08-22 22:19:04,649 INFO L264 CegarLoopResult]: At program point L46-1(line 46) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-08-22 22:19:04,649 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|))) [2020-08-22 22:19:04,649 INFO L264 CegarLoopResult]: At program point L46-3(line 46) the Hoare annotation is: (or (<= (+ |kzalloc_#t~malloc0.base| 1) 0) (< 0 |kzalloc_#t~malloc0.base|)) [2020-08-22 22:19:04,650 INFO L264 CegarLoopResult]: At program point kzallocEXIT(line 46) the Hoare annotation is: (and (or (<= (+ |kzalloc_#t~malloc0.base| 1) 0) (< 0 |kzalloc_#t~malloc0.base|)) (or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))) [2020-08-22 22:19:04,650 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|)) [2020-08-22 22:19:04,650 INFO L264 CegarLoopResult]: At program point kzallocFINAL(line 46) the Hoare annotation is: (and (or (<= (+ |kzalloc_#t~malloc0.base| 1) 0) (< 0 |kzalloc_#t~malloc0.base|)) (or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))) [2020-08-22 22:19:04,650 INFO L271 CegarLoopResult]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) the Hoare annotation is: true [2020-08-22 22:19:04,652 INFO L271 CegarLoopResult]: At program point __blast_assertEXIT(lines 4 7) the Hoare annotation is: true [2020-08-22 22:19:04,652 INFO L271 CegarLoopResult]: At program point __blast_assertFINAL(lines 4 7) the Hoare annotation is: true [2020-08-22 22:19:04,653 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-08-22 22:19:04,653 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-08-22 22:19:04,653 INFO L271 CegarLoopResult]: At program point L67-2(line 67) the Hoare annotation is: true [2020-08-22 22:19:04,654 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoFINAL(lines 65 68) the Hoare annotation is: true [2020-08-22 22:19:04,654 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoEXIT(lines 65 68) the Hoare annotation is: true [2020-08-22 22:19:04,655 INFO L271 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: true [2020-08-22 22:19:04,655 INFO L271 CegarLoopResult]: At program point L67-1(line 67) the Hoare annotation is: true [2020-08-22 22:19:04,655 INFO L264 CegarLoopResult]: At program point L97(lines 97 105) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~bus_info_ptr1~0.base 0))) [2020-08-22 22:19:04,655 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerEXIT(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)) [2020-08-22 22:19:04,655 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)) [2020-08-22 22:19:04,656 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-08-22 22:19:04,656 INFO L264 CegarLoopResult]: At program point L93-1(line 93) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-08-22 22:19:04,656 INFO L264 CegarLoopResult]: At program point L122(line 122) 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)) [2020-08-22 22:19:04,656 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)) [2020-08-22 22:19:04,656 INFO L264 CegarLoopResult]: At program point L85(lines 85 88) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-08-22 22:19:04,656 INFO L264 CegarLoopResult]: At program point L118-1(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)) [2020-08-22 22:19:04,657 INFO L264 CegarLoopResult]: At program point L118-2(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)) [2020-08-22 22:19:04,657 INFO L264 CegarLoopResult]: At program point L118-3(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)) [2020-08-22 22:19:04,657 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)) [2020-08-22 22:19:04,657 INFO L264 CegarLoopResult]: At program point L81(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)|)) [2020-08-22 22:19:04,658 INFO L264 CegarLoopResult]: At program point L114-1(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)) [2020-08-22 22:19:04,658 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)|)) [2020-08-22 22:19:04,658 INFO L264 CegarLoopResult]: At program point L114-2(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)) [2020-08-22 22:19:04,658 INFO L264 CegarLoopResult]: At program point L114-3(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)) [2020-08-22 22:19:04,658 INFO L264 CegarLoopResult]: At program point L77(lines 77 80) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-08-22 22:19:04,658 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~bus_info_ptr1~0.base 0))) [2020-08-22 22:19:04,659 INFO L264 CegarLoopResult]: At program point L73(line 73) 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|)) [2020-08-22 22:19:04,659 INFO L264 CegarLoopResult]: At program point L106-1(line 106) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~bus_info_ptr1~0.base 0))) [2020-08-22 22:19:04,659 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: false [2020-08-22 22:19:04,659 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))) [2020-08-22 22:19:04,659 INFO L264 CegarLoopResult]: At program point L90(line 90) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-08-22 22:19:04,660 INFO L264 CegarLoopResult]: At program point L119(lines 119 120) 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)) [2020-08-22 22:19:04,660 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: false [2020-08-22 22:19:04,660 INFO L264 CegarLoopResult]: At program point L115(lines 115 116) 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)) [2020-08-22 22:19:04,660 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-08-22 22:19:04,660 INFO L264 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: false [2020-08-22 22:19:04,660 INFO L264 CegarLoopResult]: At program point L74(line 74) 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|)) [2020-08-22 22:19:04,661 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-08-22 22:19:04,661 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)) [2020-08-22 22:19:04,661 INFO L264 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ebda_rsrc_controller_#t~ret5.base| 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-08-22 22:19:04,662 INFO L264 CegarLoopResult]: At program point L83-1(line 83) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ebda_rsrc_controller_#t~ret5.base| 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-08-22 22:19:04,662 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ebda_rsrc_controller_#t~ret6.base| 0))) [2020-08-22 22:19:04,662 INFO L264 CegarLoopResult]: At program point L96-1(line 96) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ebda_rsrc_controller_#t~ret6.base| 0)) (not (= ebda_rsrc_controller_~bus_info_ptr1~0.base 0))) [2020-08-22 22:19:04,662 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|)) [2020-08-22 22:19:04,663 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)) [2020-08-22 22:19:04,663 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerFINAL(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)) [2020-08-22 22:19:04,663 INFO L264 CegarLoopResult]: At program point L125-1(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)) [2020-08-22 22:19:04,663 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-08-22 22:19:04,663 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|)) [2020-08-22 22:19:04,664 INFO L264 CegarLoopResult]: At program point L109-1(line 109) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-08-22 22:19:04,664 INFO L264 CegarLoopResult]: At program point L76-1(line 76) the Hoare annotation is: (and (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (not (= |ebda_rsrc_controller_#t~ret4.base| 0))) [2020-08-22 22:19:04,664 INFO L264 CegarLoopResult]: At program point L76-2(line 76) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (not (= |ebda_rsrc_controller_#t~ret4.base| 0))) [2020-08-22 22:19:04,664 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 22:19:04,664 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 22:19:04,664 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 22:19:04,664 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 22:19:04,665 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|)) [2020-08-22 22:19:04,665 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 133 137) the Hoare annotation is: true [2020-08-22 22:19:04,665 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: false [2020-08-22 22:19:04,665 INFO L264 CegarLoopResult]: At program point L135(lines 135 136) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-08-22 22:19:04,665 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-08-22 22:19:04,665 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: false [2020-08-22 22:19:04,666 INFO L271 CegarLoopResult]: At program point L135-1(lines 133 137) the Hoare annotation is: true [2020-08-22 22:19:04,666 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-08-22 22:19:04,666 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-08-22 22:19:04,666 INFO L271 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: true [2020-08-22 22:19:04,667 INFO L271 CegarLoopResult]: At program point L62-1(line 62) the Hoare annotation is: true [2020-08-22 22:19:04,667 INFO L271 CegarLoopResult]: At program point L62-2(line 62) the Hoare annotation is: true [2020-08-22 22:19:04,667 INFO L271 CegarLoopResult]: At program point fillslotinfoEXIT(lines 60 63) the Hoare annotation is: true [2020-08-22 22:19:04,667 INFO L271 CegarLoopResult]: At program point fillslotinfoFINAL(lines 60 63) the Hoare annotation is: true [2020-08-22 22:19:04,667 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-08-22 22:19:04,667 INFO L271 CegarLoopResult]: At program point #Ultimate.meminitEXIT(line -1) the Hoare annotation is: true [2020-08-22 22:19:04,667 INFO L271 CegarLoopResult]: At program point #Ultimate.meminitFINAL(line -1) the Hoare annotation is: true [2020-08-22 22:19:04,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 10:19:04 BoogieIcfgContainer [2020-08-22 22:19:04,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 22:19:04,694 INFO L168 Benchmark]: Toolchain (without parser) took 6401.14 ms. Allocated memory was 147.3 MB in the beginning and 277.3 MB in the end (delta: 130.0 MB). Free memory was 104.4 MB in the beginning and 138.4 MB in the end (delta: -34.0 MB). Peak memory consumption was 136.2 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:04,695 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 123.1 MB in the beginning and 122.6 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-08-22 22:19:04,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.43 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 104.4 MB in the beginning and 182.1 MB in the end (delta: -77.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:04,697 INFO L168 Benchmark]: Boogie Preprocessor took 47.29 ms. Allocated memory is still 204.5 MB. Free memory was 182.1 MB in the beginning and 179.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:04,698 INFO L168 Benchmark]: RCFGBuilder took 537.99 ms. Allocated memory is still 204.5 MB. Free memory was 179.8 MB in the beginning and 153.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:04,699 INFO L168 Benchmark]: TraceAbstraction took 5398.82 ms. Allocated memory was 204.5 MB in the beginning and 277.3 MB in the end (delta: 72.9 MB). Free memory was 153.2 MB in the beginning and 138.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:04,704 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 123.1 MB in the beginning and 122.6 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 411.43 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 104.4 MB in the beginning and 182.1 MB in the end (delta: -77.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.29 ms. Allocated memory is still 204.5 MB. Free memory was 182.1 MB in the beginning and 179.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 537.99 ms. Allocated memory is still 204.5 MB. Free memory was 179.8 MB in the beginning and 153.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5398.82 ms. Allocated memory was 204.5 MB in the beginning and 277.3 MB in the end (delta: 72.9 MB). Free memory was 153.2 MB in the beginning and 138.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 127.9 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 - ProcedureContractResult [Line: 54]: Procedure Contract for ibmphp_find_same_bus_num Derived contract for procedure ibmphp_find_same_bus_num: (\result + 1 <= 0 || tmp_slot == 0) || 1 <= \result - ProcedureContractResult [Line: 48]: Procedure Contract for kfree Derived contract for procedure kfree: 1 - ProcedureContractResult [Line: 46]: Procedure Contract for kzalloc Derived contract for procedure kzalloc: (calloc(1, size) + 1 <= 0 || 0 < calloc(1, size)) && (1 <= \result || \result + 1 <= 0) - ProcedureContractResult [Line: 4]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 65]: Procedure Contract for ibmphp_init_devno Derived contract for procedure ibmphp_init_devno: 1 - ProcedureContractResult [Line: 70]: Procedure Contract for ebda_rsrc_controller Derived contract for procedure ebda_rsrc_controller: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - ProcedureContractResult [Line: 60]: Procedure Contract for fillslotinfo Derived contract for procedure fillslotinfo: 1 - ProcedureContractResult [Line: 133]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: -1]: Procedure Contract for #Ultimate.meminit Derived contract for procedure #Ultimate.meminit: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 341 SDtfs, 451 SDslu, 1061 SDs, 0 SdLazy, 1116 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 101 LocationsWithAnnotation, 135 PreInvPairs, 150 NumberOfFragments, 881 HoareAnnotationTreeSize, 135 FomulaSimplifications, 1392 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 101 FomulaSimplificationsInter, 1365 FormulaSimplificationTreeSizeReductionInter, 0.9s 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...