/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.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 22:18:57,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 22:18:57,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 22:18:57,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 22:18:57,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 22:18:57,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 22:18:57,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 22:18:57,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 22:18:57,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 22:18:57,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 22:18:57,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 22:18:57,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 22:18:57,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 22:18:57,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 22:18:57,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 22:18:57,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 22:18:57,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 22:18:57,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 22:18:57,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 22:18:57,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 22:18:57,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 22:18:57,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 22:18:57,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 22:18:57,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 22:18:57,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 22:18:57,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 22:18:57,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 22:18:57,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 22:18:57,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 22:18:57,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 22:18:57,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 22:18:57,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 22:18:57,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 22:18:57,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 22:18:57,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 22:18:57,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 22:18:57,336 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 22:18:57,356 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 22:18:57,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 22:18:57,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 22:18:57,360 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 22:18:57,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 22:18:57,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 22:18:57,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 22:18:57,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 22:18:57,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 22:18:57,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 22:18:57,363 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 22:18:57,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 22:18:57,364 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 22:18:57,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 22:18:57,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 22:18:57,365 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 22:18:57,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 22:18:57,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 22:18:57,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 22:18:57,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 22:18:57,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 22:18:57,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 22:18:57,366 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 22:18:57,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 22:18:57,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 22:18:57,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 22:18:57,744 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 22:18:57,744 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 22:18:57,745 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-08-22 22:18:57,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90d79cdb/8037f20857a04f84b668c485e3ebdb8e/FLAG3a63558f3 [2020-08-22 22:18:58,466 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 22:18:58,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-08-22 22:18:58,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90d79cdb/8037f20857a04f84b668c485e3ebdb8e/FLAG3a63558f3 [2020-08-22 22:18:58,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90d79cdb/8037f20857a04f84b668c485e3ebdb8e [2020-08-22 22:18:58,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 22:18:58,766 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 22:18:58,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 22:18:58,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 22:18:58,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 22:18:58,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:18:58" (1/1) ... [2020-08-22 22:18:58,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac4b67a 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 22:18:58,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:18:58" (1/1) ... [2020-08-22 22:18:58,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 22:18:58,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 22:18:59,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 22:18:59,057 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 22:18:59,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 22:18:59,218 INFO L208 MainTranslator]: Completed translation [2020-08-22 22:18:59,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:59 WrapperNode [2020-08-22 22:18:59,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 22:18:59,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 22:18:59,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 22:18:59,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 22:18:59,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:59" (1/1) ... [2020-08-22 22:18:59,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:59" (1/1) ... [2020-08-22 22:18:59,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:59" (1/1) ... [2020-08-22 22:18:59,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:59" (1/1) ... [2020-08-22 22:18:59,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:59" (1/1) ... [2020-08-22 22:18:59,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:59" (1/1) ... [2020-08-22 22:18:59,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:59" (1/1) ... [2020-08-22 22:18:59,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 22:18:59,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 22:18:59,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 22:18:59,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 22:18:59,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:59" (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 22:18:59,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 22:18:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 22:18:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-08-22 22:18:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-08-22 22:18:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-22 22:18:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-08-22 22:18:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-08-22 22:18:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-08-22 22:18:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-08-22 22:18:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 22:18:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-22 22:18:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 22:18:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-08-22 22:18:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-22 22:18:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-08-22 22:18:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 22:18:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-22 22:18:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-22 22:18:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-08-22 22:18:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 22:18:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-08-22 22:18:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-08-22 22:18:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-08-22 22:18:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 22:18:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 22:18:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 22:18:59,377 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 22:18:59,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 22:18:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 22:18:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 22:18:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 22:18:59,861 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 22:18:59,861 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 22:18:59,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:18:59 BoogieIcfgContainer [2020-08-22 22:18:59,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 22:18:59,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 22:18:59,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 22:18:59,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 22:18:59,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 10:18:58" (1/3) ... [2020-08-22 22:18:59,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b440ed9 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 22:18:59,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:59" (2/3) ... [2020-08-22 22:18:59,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b440ed9 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 22:18:59,878 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 22:18:59,880 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-08-22 22:18:59,894 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 22:18:59,903 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 22:18:59,917 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 22:18:59,948 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 22:18:59,948 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 22:18:59,948 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 22:18:59,948 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 22:18:59,949 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 22:18:59,949 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 22:18:59,949 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 22:18:59,949 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 22:18:59,972 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-08-22 22:18:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-08-22 22:18:59,988 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 22:18:59,989 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 22:18:59,990 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 22:18:59,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 22:18:59,997 INFO L82 PathProgramCache]: Analyzing trace with hash 991863416, now seen corresponding path program 1 times [2020-08-22 22:19:00,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 22:19:00,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329409589] [2020-08-22 22:19:00,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 22:19:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:00,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:00,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 22:19:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:00,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:00,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:00,630 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 22:19:00,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329409589] [2020-08-22 22:19:00,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 22:19:00,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 22:19:00,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364565125] [2020-08-22 22:19:00,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 22:19:00,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 22:19:00,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 22:19:00,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 22:19:00,671 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 10 states. [2020-08-22 22:19:01,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 22:19:01,411 INFO L93 Difference]: Finished difference Result 119 states and 132 transitions. [2020-08-22 22:19:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 22:19:01,413 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-08-22 22:19:01,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 22:19:01,428 INFO L225 Difference]: With dead ends: 119 [2020-08-22 22:19:01,428 INFO L226 Difference]: Without dead ends: 98 [2020-08-22 22:19:01,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-22 22:19:01,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-08-22 22:19:01,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2020-08-22 22:19:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-08-22 22:19:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 103 transitions. [2020-08-22 22:19:01,508 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 103 transitions. Word has length 38 [2020-08-22 22:19:01,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 22:19:01,509 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 103 transitions. [2020-08-22 22:19:01,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 22:19:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2020-08-22 22:19:01,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-22 22:19:01,513 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 22:19:01,513 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 22:19:01,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 22:19:01,514 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 22:19:01,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 22:19:01,515 INFO L82 PathProgramCache]: Analyzing trace with hash -630533651, now seen corresponding path program 1 times [2020-08-22 22:19:01,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 22:19:01,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528546640] [2020-08-22 22:19:01,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 22:19:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 22:19:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 22:19:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:01,811 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 22:19:01,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528546640] [2020-08-22 22:19:01,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 22:19:01,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 22:19:01,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10385020] [2020-08-22 22:19:01,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 22:19:01,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 22:19:01,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 22:19:01,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 22:19:01,815 INFO L87 Difference]: Start difference. First operand 96 states and 103 transitions. Second operand 10 states. [2020-08-22 22:19:02,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 22:19:02,649 INFO L93 Difference]: Finished difference Result 118 states and 124 transitions. [2020-08-22 22:19:02,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 22:19:02,650 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-08-22 22:19:02,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 22:19:02,656 INFO L225 Difference]: With dead ends: 118 [2020-08-22 22:19:02,656 INFO L226 Difference]: Without dead ends: 107 [2020-08-22 22:19:02,658 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 22:19:02,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-08-22 22:19:02,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2020-08-22 22:19:02,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-22 22:19:02,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 110 transitions. [2020-08-22 22:19:02,702 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 110 transitions. Word has length 53 [2020-08-22 22:19:02,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 22:19:02,702 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 110 transitions. [2020-08-22 22:19:02,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 22:19:02,703 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 110 transitions. [2020-08-22 22:19:02,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-22 22:19:02,706 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 22:19:02,707 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 22:19:02,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 22:19:02,707 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 22:19:02,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 22:19:02,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1439695258, now seen corresponding path program 1 times [2020-08-22 22:19:02,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 22:19:02,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055580465] [2020-08-22 22:19:02,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 22:19:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 22:19:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 22:19:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 22:19:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:02,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-22 22:19:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 22:19:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-08-22 22:19:03,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055580465] [2020-08-22 22:19:03,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 22:19:03,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 22:19:03,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718261034] [2020-08-22 22:19:03,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 22:19:03,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 22:19:03,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 22:19:03,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-08-22 22:19:03,091 INFO L87 Difference]: Start difference. First operand 105 states and 110 transitions. Second operand 13 states. [2020-08-22 22:19:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 22:19:03,670 INFO L93 Difference]: Finished difference Result 125 states and 130 transitions. [2020-08-22 22:19:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 22:19:03,671 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 89 [2020-08-22 22:19:03,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 22:19:03,673 INFO L225 Difference]: With dead ends: 125 [2020-08-22 22:19:03,675 INFO L226 Difference]: Without dead ends: 104 [2020-08-22 22:19:03,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 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 22:19:03,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-08-22 22:19:03,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2020-08-22 22:19:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-22 22:19:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 105 transitions. [2020-08-22 22:19:03,722 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 105 transitions. Word has length 89 [2020-08-22 22:19:03,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 22:19:03,725 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 105 transitions. [2020-08-22 22:19:03,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 22:19:03,726 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2020-08-22 22:19:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-22 22:19:03,731 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 22:19:03,732 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 22:19:03,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 22:19:03,732 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 22:19:03,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 22:19:03,733 INFO L82 PathProgramCache]: Analyzing trace with hash 581149382, now seen corresponding path program 1 times [2020-08-22 22:19:03,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 22:19:03,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [83182695] [2020-08-22 22:19:03,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 22:19:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 22:19:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 22:19:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 22:19:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:03,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 22:19:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:04,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-22 22:19:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:04,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-22 22:19:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:04,041 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 22:19:04,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [83182695] [2020-08-22 22:19:04,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 22:19:04,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 22:19:04,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298110411] [2020-08-22 22:19:04,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 22:19:04,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 22:19:04,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 22:19:04,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-08-22 22:19:04,046 INFO L87 Difference]: Start difference. First operand 102 states and 105 transitions. Second operand 8 states. [2020-08-22 22:19:04,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 22:19:04,408 INFO L93 Difference]: Finished difference Result 104 states and 107 transitions. [2020-08-22 22:19:04,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 22:19:04,409 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-08-22 22:19:04,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 22:19:04,410 INFO L225 Difference]: With dead ends: 104 [2020-08-22 22:19:04,410 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 22:19:04,413 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 22:19:04,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 22:19:04,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 22:19:04,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 22:19:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 22:19:04,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-08-22 22:19:04,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 22:19:04,416 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 22:19:04,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 22:19:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 22:19:04,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 22:19:04,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 22:19:04,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 22:19:05,551 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 22:19:05,551 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 22:19:05,552 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 22:19:05,552 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 22:19:05,552 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 22:19:05,552 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 22:19:05,553 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 22:19:05,553 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 22:19:05,553 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 22:19:05,553 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 22:19:05,553 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 22:19:05,553 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 22:19:05,554 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 22:19:05,554 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 22:19:05,554 INFO L271 CegarLoopResult]: At program point kfreeEXIT(lines 48 51) the Hoare annotation is: true [2020-08-22 22:19:05,554 INFO L271 CegarLoopResult]: At program point L49-2(lines 48 51) the Hoare annotation is: true [2020-08-22 22:19:05,554 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 22:19:05,554 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 22:19:05,555 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 22:19:05,555 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 22:19:05,555 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 22:19:05,555 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 22:19:05,555 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 22:19:05,555 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 22:19:05,556 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 22:19:05,556 INFO L271 CegarLoopResult]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) the Hoare annotation is: true [2020-08-22 22:19:05,556 INFO L271 CegarLoopResult]: At program point __blast_assertEXIT(lines 4 7) the Hoare annotation is: true [2020-08-22 22:19:05,556 INFO L271 CegarLoopResult]: At program point __blast_assertFINAL(lines 4 7) the Hoare annotation is: true [2020-08-22 22:19:05,556 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-08-22 22:19:05,557 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-08-22 22:19:05,557 INFO L271 CegarLoopResult]: At program point L67-2(line 67) the Hoare annotation is: true [2020-08-22 22:19:05,557 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoFINAL(lines 65 68) the Hoare annotation is: true [2020-08-22 22:19:05,557 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoEXIT(lines 65 68) the Hoare annotation is: true [2020-08-22 22:19:05,557 INFO L271 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: true [2020-08-22 22:19:05,557 INFO L271 CegarLoopResult]: At program point L67-1(line 67) the Hoare annotation is: true [2020-08-22 22:19:05,557 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 22:19:05,558 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 22:19:05,558 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 22:19:05,558 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 22:19:05,558 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 22:19:05,558 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 22:19:05,559 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 22:19:05,559 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 22:19:05,559 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 22:19:05,559 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 22:19:05,559 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 22:19:05,560 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 22:19:05,560 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 22:19:05,560 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 22:19:05,560 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 22:19:05,560 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 22:19:05,561 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 22:19:05,561 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 22:19:05,561 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 22:19:05,561 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 22:19:05,561 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 22:19:05,562 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: false [2020-08-22 22:19:05,562 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 22:19:05,562 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 22:19:05,562 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 22:19:05,562 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: false [2020-08-22 22:19:05,563 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 22:19:05,563 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 22:19:05,563 INFO L264 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: false [2020-08-22 22:19:05,563 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 22:19:05,563 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 22:19:05,563 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 22:19:05,564 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 22:19:05,564 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 22:19:05,564 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 22:19:05,564 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 22:19:05,564 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 22:19:05,565 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 22:19:05,565 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 22:19:05,565 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 22:19:05,565 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 22:19:05,565 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 22:19:05,566 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 22:19:05,566 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 22:19:05,566 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 22:19:05,566 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: false [2020-08-22 22:19:05,566 INFO L264 CegarLoopResult]: At program point L101-1(line 101) the Hoare annotation is: false [2020-08-22 22:19:05,566 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 22:19:05,566 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 22:19:05,567 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 22:19:05,567 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 22:19:05,567 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 22:19:05,567 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 133 137) the Hoare annotation is: true [2020-08-22 22:19:05,567 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: false [2020-08-22 22:19:05,567 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 22:19:05,568 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 22:19:05,568 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: false [2020-08-22 22:19:05,568 INFO L271 CegarLoopResult]: At program point L135-1(lines 133 137) the Hoare annotation is: true [2020-08-22 22:19:05,568 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 22:19:05,568 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-08-22 22:19:05,568 INFO L271 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: true [2020-08-22 22:19:05,568 INFO L271 CegarLoopResult]: At program point L62-1(line 62) the Hoare annotation is: true [2020-08-22 22:19:05,569 INFO L271 CegarLoopResult]: At program point L62-2(line 62) the Hoare annotation is: true [2020-08-22 22:19:05,569 INFO L271 CegarLoopResult]: At program point fillslotinfoEXIT(lines 60 63) the Hoare annotation is: true [2020-08-22 22:19:05,569 INFO L271 CegarLoopResult]: At program point fillslotinfoFINAL(lines 60 63) the Hoare annotation is: true [2020-08-22 22:19:05,569 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-08-22 22:19:05,569 INFO L271 CegarLoopResult]: At program point #Ultimate.meminitEXIT(line -1) the Hoare annotation is: true [2020-08-22 22:19:05,569 INFO L271 CegarLoopResult]: At program point #Ultimate.meminitFINAL(line -1) the Hoare annotation is: true [2020-08-22 22:19:05,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 10:19:05 BoogieIcfgContainer [2020-08-22 22:19:05,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 22:19:05,594 INFO L168 Benchmark]: Toolchain (without parser) took 6828.59 ms. Allocated memory was 144.7 MB in the beginning and 288.4 MB in the end (delta: 143.7 MB). Free memory was 102.2 MB in the beginning and 184.1 MB in the end (delta: -81.9 MB). Peak memory consumption was 152.9 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:05,595 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 144.7 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 22:19:05,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.10 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 181.6 MB in the end (delta: -79.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:05,597 INFO L168 Benchmark]: Boogie Preprocessor took 71.85 ms. Allocated memory is still 202.9 MB. Free memory was 181.6 MB in the beginning and 179.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:05,598 INFO L168 Benchmark]: RCFGBuilder took 574.36 ms. Allocated memory is still 202.9 MB. Free memory was 179.0 MB in the beginning and 152.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:05,599 INFO L168 Benchmark]: TraceAbstraction took 5721.61 ms. Allocated memory was 202.9 MB in the beginning and 288.4 MB in the end (delta: 85.5 MB). Free memory was 151.6 MB in the beginning and 187.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 144.1 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:05,604 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 144.7 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 454.10 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 181.6 MB in the end (delta: -79.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.85 ms. Allocated memory is still 202.9 MB. Free memory was 181.6 MB in the beginning and 179.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 574.36 ms. Allocated memory is still 202.9 MB. Free memory was 179.0 MB in the beginning and 152.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5721.61 ms. Allocated memory was 202.9 MB in the beginning and 288.4 MB in the end (delta: 85.5 MB). Free memory was 151.6 MB in the beginning and 187.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 144.1 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, 103 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 346 SDtfs, 453 SDslu, 1138 SDs, 0 SdLazy, 1149 SolverSat, 159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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, 103 LocationsWithAnnotation, 142 PreInvPairs, 157 NumberOfFragments, 883 HoareAnnotationTreeSize, 142 FomulaSimplifications, 1392 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 103 FomulaSimplificationsInter, 1365 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 278 NumberOfCodeBlocks, 278 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 57034 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 74/74 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...