/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:34:12,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:34:12,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:34:12,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:34:12,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:34:12,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:34:12,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:34:12,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:34:12,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:34:12,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:34:12,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:34:12,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:34:12,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:34:12,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:34:12,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:34:12,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:34:12,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:34:12,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:34:12,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:34:12,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:34:12,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:34:12,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:34:12,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:34:12,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:34:12,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 20:34:12,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:34:12,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:34:12,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:34:12,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:34:12,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:34:12,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:34:12,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:34:12,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:34:12,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:34:12,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:34:12,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:34:12,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:34:12,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:34:12,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:34:12,307 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:34:12,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:34:12,307 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:34:12,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:34:12,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:34:12,308 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:34:12,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:34:12,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:34:12,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:34:12,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:34:12,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:34:12,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:34:12,309 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:34:12,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:34:12,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:34:12,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:34:12,712 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:34:12,712 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:34:12,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-10-23 20:34:12,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0a2096c/00ee2457a8b54d75828b5d7d06e3037c/FLAG54ca478f8 [2020-10-23 20:34:13,497 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:34:13,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-10-23 20:34:13,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0a2096c/00ee2457a8b54d75828b5d7d06e3037c/FLAG54ca478f8 [2020-10-23 20:34:13,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0a2096c/00ee2457a8b54d75828b5d7d06e3037c [2020-10-23 20:34:13,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:34:13,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:34:13,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:34:13,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:34:13,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:34:13,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:34:13" (1/1) ... [2020-10-23 20:34:13,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373bda13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:13, skipping insertion in model container [2020-10-23 20:34:13,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:34:13" (1/1) ... [2020-10-23 20:34:13,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:34:13,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:34:14,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:34:14,085 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:34:14,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:34:14,135 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:34:14,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:14 WrapperNode [2020-10-23 20:34:14,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:34:14,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:34:14,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:34:14,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:34:14,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:14" (1/1) ... [2020-10-23 20:34:14,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:14" (1/1) ... [2020-10-23 20:34:14,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:14" (1/1) ... [2020-10-23 20:34:14,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:14" (1/1) ... [2020-10-23 20:34:14,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:14" (1/1) ... [2020-10-23 20:34:14,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:14" (1/1) ... [2020-10-23 20:34:14,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:14" (1/1) ... [2020-10-23 20:34:14,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:34:14,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:34:14,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:34:14,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:34:14,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:14" (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 [2020-10-23 20:34:14,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:34:14,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:34:14,401 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:34:14,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-23 20:34:14,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-23 20:34:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-23 20:34:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-10-23 20:34:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-10-23 20:34:14,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-10-23 20:34:14,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-10-23 20:34:14,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:34:14,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-23 20:34:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:34:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:34:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:34:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:34:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-23 20:34:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-23 20:34:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-23 20:34:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 20:34:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-23 20:34:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-23 20:34:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-10-23 20:34:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:34:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-10-23 20:34:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-10-23 20:34:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-10-23 20:34:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:34:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:34:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:34:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:34:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:34:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:34:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:34:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:34:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:34:15,006 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:34:15,006 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-23 20:34:15,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:34:15 BoogieIcfgContainer [2020-10-23 20:34:15,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:34:15,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:34:15,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:34:15,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:34:15,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:34:13" (1/3) ... [2020-10-23 20:34:15,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c71b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:34:15, skipping insertion in model container [2020-10-23 20:34:15,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:14" (2/3) ... [2020-10-23 20:34:15,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c71b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:34:15, skipping insertion in model container [2020-10-23 20:34:15,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:34:15" (3/3) ... [2020-10-23 20:34:15,019 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-10-23 20:34:15,033 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:34:15,039 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 20:34:15,053 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 20:34:15,080 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:34:15,081 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:34:15,081 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:34:15,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:34:15,081 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:34:15,081 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:34:15,081 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:34:15,082 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:34:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-10-23 20:34:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-23 20:34:15,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:34:15,113 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, 1, 1, 1, 1, 1, 1] [2020-10-23 20:34:15,114 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:34:15,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:34:15,121 INFO L82 PathProgramCache]: Analyzing trace with hash 445585646, now seen corresponding path program 1 times [2020-10-23 20:34:15,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:34:15,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857621430] [2020-10-23 20:34:15,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:34:15,221 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:34:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:15,570 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-10-23 20:34:15,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:34:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:15,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 20:34:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:15,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:15,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:34:15,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857621430] [2020-10-23 20:34:15,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:34:15,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 20:34:15,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663109849] [2020-10-23 20:34:15,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 20:34:15,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:34:15,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 20:34:15,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-23 20:34:15,928 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 10 states. [2020-10-23 20:34:16,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:34:16,833 INFO L93 Difference]: Finished difference Result 129 states and 143 transitions. [2020-10-23 20:34:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 20:34:16,835 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2020-10-23 20:34:16,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:34:16,848 INFO L225 Difference]: With dead ends: 129 [2020-10-23 20:34:16,849 INFO L226 Difference]: Without dead ends: 104 [2020-10-23 20:34:16,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-23 20:34:16,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-23 20:34:16,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2020-10-23 20:34:16,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-23 20:34:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 109 transitions. [2020-10-23 20:34:16,941 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 109 transitions. Word has length 44 [2020-10-23 20:34:16,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:34:16,942 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 109 transitions. [2020-10-23 20:34:16,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 20:34:16,942 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2020-10-23 20:34:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-23 20:34:16,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:34:16,945 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, 1, 1, 1, 1, 1, 1] [2020-10-23 20:34:16,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:34:16,946 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:34:16,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:34:16,947 INFO L82 PathProgramCache]: Analyzing trace with hash -110043461, now seen corresponding path program 1 times [2020-10-23 20:34:16,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:34:16,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495420392] [2020-10-23 20:34:16,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:34:16,952 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:34:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:17,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:34:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:17,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 20:34:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:17,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:17,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 20:34:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:17,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:17,238 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-23 20:34:17,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495420392] [2020-10-23 20:34:17,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:34:17,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 20:34:17,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411588906] [2020-10-23 20:34:17,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 20:34:17,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:34:17,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 20:34:17,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-23 20:34:17,242 INFO L87 Difference]: Start difference. First operand 102 states and 109 transitions. Second operand 10 states. [2020-10-23 20:34:18,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:34:18,035 INFO L93 Difference]: Finished difference Result 125 states and 131 transitions. [2020-10-23 20:34:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-23 20:34:18,036 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-23 20:34:18,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:34:18,039 INFO L225 Difference]: With dead ends: 125 [2020-10-23 20:34:18,039 INFO L226 Difference]: Without dead ends: 113 [2020-10-23 20:34:18,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-10-23 20:34:18,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-23 20:34:18,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2020-10-23 20:34:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-23 20:34:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 116 transitions. [2020-10-23 20:34:18,086 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 116 transitions. Word has length 59 [2020-10-23 20:34:18,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:34:18,087 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 116 transitions. [2020-10-23 20:34:18,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 20:34:18,087 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 116 transitions. [2020-10-23 20:34:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-23 20:34:18,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:34:18,094 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, 1, 1, 1, 1, 1, 1] [2020-10-23 20:34:18,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:34:18,094 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:34:18,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:34:18,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1247767673, now seen corresponding path program 1 times [2020-10-23 20:34:18,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:34:18,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108579968] [2020-10-23 20:34:18,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:34:18,102 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:34:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:34:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 20:34:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 20:34:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-23 20:34:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:34:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-23 20:34:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-23 20:34:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-23 20:34:18,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108579968] [2020-10-23 20:34:18,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:34:18,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-23 20:34:18,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192818944] [2020-10-23 20:34:18,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-23 20:34:18,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:34:18,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-23 20:34:18,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-23 20:34:18,496 INFO L87 Difference]: Start difference. First operand 111 states and 116 transitions. Second operand 13 states. [2020-10-23 20:34:19,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:34:19,139 INFO L93 Difference]: Finished difference Result 132 states and 137 transitions. [2020-10-23 20:34:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-23 20:34:19,142 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 95 [2020-10-23 20:34:19,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:34:19,144 INFO L225 Difference]: With dead ends: 132 [2020-10-23 20:34:19,144 INFO L226 Difference]: Without dead ends: 110 [2020-10-23 20:34:19,148 INFO L677 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 [2020-10-23 20:34:19,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-23 20:34:19,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2020-10-23 20:34:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-23 20:34:19,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 111 transitions. [2020-10-23 20:34:19,186 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 111 transitions. Word has length 95 [2020-10-23 20:34:19,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:34:19,189 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 111 transitions. [2020-10-23 20:34:19,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-23 20:34:19,189 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 111 transitions. [2020-10-23 20:34:19,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-23 20:34:19,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:34:19,197 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, 1, 1, 1, 1, 1, 1] [2020-10-23 20:34:19,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:34:19,197 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:34:19,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:34:19,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1686753207, now seen corresponding path program 1 times [2020-10-23 20:34:19,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:34:19,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [336763497] [2020-10-23 20:34:19,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:34:19,208 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:34:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:34:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 20:34:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 20:34:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-23 20:34:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:34:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:34:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-23 20:34:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-23 20:34:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 20:34:19,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [336763497] [2020-10-23 20:34:19,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:34:19,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 20:34:19,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286951997] [2020-10-23 20:34:19,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 20:34:19,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:34:19,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 20:34:19,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-23 20:34:19,513 INFO L87 Difference]: Start difference. First operand 108 states and 111 transitions. Second operand 8 states. [2020-10-23 20:34:19,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:34:19,885 INFO L93 Difference]: Finished difference Result 110 states and 113 transitions. [2020-10-23 20:34:19,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-23 20:34:19,886 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2020-10-23 20:34:19,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:34:19,887 INFO L225 Difference]: With dead ends: 110 [2020-10-23 20:34:19,887 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 20:34:19,889 INFO L677 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 [2020-10-23 20:34:19,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 20:34:19,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 20:34:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 20:34:19,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 20:34:19,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2020-10-23 20:34:19,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:34:19,890 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 20:34:19,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 20:34:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 20:34:19,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 20:34:19,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:34:19,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 20:34:21,268 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-10-23 20:34:21,269 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-23 20:34:21,269 INFO L277 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-10-23 20:34:21,269 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-10-23 20:34:21,270 INFO L270 CegarLoopResult]: At program point ibmphp_find_same_bus_numEXIT(lines 56 58) 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|)) [2020-10-23 20:34:21,270 INFO L270 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (<= 1 |ibmphp_find_same_bus_num_#t~ret8.base|) (= ~tmp_slot~0.base 0) (<= (+ |ibmphp_find_same_bus_num_#t~ret8.base| 1) 0)) [2020-10-23 20:34:21,270 INFO L270 CegarLoopResult]: At program point L57-1(line 57) 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~ret8.base|) (<= (+ |ibmphp_find_same_bus_num_#t~ret8.base| 1) 0))) (= ~tmp_slot~0.base 0)) [2020-10-23 20:34:21,270 INFO L270 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 56 58) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (= ~tmp_slot~0.base 0)) [2020-10-23 20:34:21,270 INFO L270 CegarLoopResult]: At program point ibmphp_find_same_bus_numFINAL(lines 56 58) 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|)) [2020-10-23 20:34:21,271 INFO L270 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-23 20:34:21,271 INFO L270 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-23 20:34:21,271 INFO L270 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(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-23 20:34:21,271 INFO L270 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-23 20:34:21,271 INFO L270 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-23 20:34:21,271 INFO L270 CegarLoopResult]: At program point L3-5(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-23 20:34:21,271 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-23 20:34:21,271 INFO L270 CegarLoopResult]: At program point L43(line 43) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-23 20:34:21,272 INFO L270 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-23 20:34:21,272 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-23 20:34:21,274 INFO L270 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-23 20:34:21,274 INFO L270 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-23 20:34:21,274 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-23 20:34:21,274 INFO L277 CegarLoopResult]: At program point L51-2(lines 50 53) the Hoare annotation is: true [2020-10-23 20:34:21,274 INFO L277 CegarLoopResult]: At program point kfreeEXIT(lines 50 53) the Hoare annotation is: true [2020-10-23 20:34:21,274 INFO L270 CegarLoopResult]: At program point kfreeENTRY(lines 50 53) the Hoare annotation is: (or (not (= ~used_tmp_slot~0 1)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= ~tmp_slot~0.base 0)) [2020-10-23 20:34:21,275 INFO L270 CegarLoopResult]: At program point L52(line 52) the Hoare annotation is: (or (not (= ~used_tmp_slot~0 1)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= ~tmp_slot~0.base 0)) [2020-10-23 20:34:21,276 INFO L270 CegarLoopResult]: At program point L51(lines 51 52) the Hoare annotation is: (or (not (= ~used_tmp_slot~0 1)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= ~tmp_slot~0.base 0)) [2020-10-23 20:34:21,276 INFO L270 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-23 20:34:21,276 INFO L270 CegarLoopResult]: At program point L48-1(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-23 20:34:21,276 INFO L270 CegarLoopResult]: At program point L48-2(line 48) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (or (< 0 |kzalloc_#t~malloc7.base|) (<= (+ |kzalloc_#t~malloc7.base| 1) 0))) [2020-10-23 20:34:21,276 INFO L270 CegarLoopResult]: At program point L48-3(line 48) the Hoare annotation is: (or (< 0 |kzalloc_#t~malloc7.base|) (<= (+ |kzalloc_#t~malloc7.base| 1) 0)) [2020-10-23 20:34:21,276 INFO L270 CegarLoopResult]: At program point kzallocEXIT(line 48) the Hoare annotation is: (and (or (< 0 |kzalloc_#t~malloc7.base|) (<= (+ |kzalloc_#t~malloc7.base| 1) 0)) (or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))) [2020-10-23 20:34:21,277 INFO L270 CegarLoopResult]: At program point kzallocENTRY(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-23 20:34:21,277 INFO L270 CegarLoopResult]: At program point kzallocFINAL(line 48) the Hoare annotation is: (and (or (< 0 |kzalloc_#t~malloc7.base|) (<= (+ |kzalloc_#t~malloc7.base| 1) 0)) (or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))) [2020-10-23 20:34:21,277 INFO L277 CegarLoopResult]: At program point __blast_assertEXIT(lines 6 9) the Hoare annotation is: true [2020-10-23 20:34:21,277 INFO L277 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-10-23 20:34:21,277 INFO L277 CegarLoopResult]: At program point __blast_assertFINAL(lines 6 9) the Hoare annotation is: true [2020-10-23 20:34:21,277 INFO L277 CegarLoopResult]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2020-10-23 20:34:21,277 INFO L277 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 67 70) the Hoare annotation is: true [2020-10-23 20:34:21,278 INFO L277 CegarLoopResult]: At program point ibmphp_init_devnoFINAL(lines 67 70) the Hoare annotation is: true [2020-10-23 20:34:21,278 INFO L277 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: true [2020-10-23 20:34:21,278 INFO L277 CegarLoopResult]: At program point ibmphp_init_devnoEXIT(lines 67 70) the Hoare annotation is: true [2020-10-23 20:34:21,278 INFO L277 CegarLoopResult]: At program point L69-1(line 69) the Hoare annotation is: true [2020-10-23 20:34:21,278 INFO L277 CegarLoopResult]: At program point L69-2(line 69) the Hoare annotation is: true [2020-10-23 20:34:21,278 INFO L270 CegarLoopResult]: At program point ebda_rsrc_controllerEXIT(lines 72 133) 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)) [2020-10-23 20:34:21,278 INFO L270 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)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-23 20:34:21,279 INFO L270 CegarLoopResult]: At program point L122(lines 72 133) 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)) [2020-10-23 20:34:21,279 INFO L270 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ebda_rsrc_controller_#t~ret12.base| 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-23 20:34:21,279 INFO L270 CegarLoopResult]: At program point L85-1(line 85) 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~ret12.base| 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-23 20:34:21,279 INFO L270 CegarLoopResult]: At program point L98(line 98) 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~ret13.base| 0))) [2020-10-23 20:34:21,279 INFO L270 CegarLoopResult]: At program point L98-1(line 98) 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)) (not (= |ebda_rsrc_controller_#t~ret13.base| 0))) [2020-10-23 20:34:21,279 INFO L270 CegarLoopResult]: At program point L127(line 127) 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)) [2020-10-23 20:34:21,280 INFO L270 CegarLoopResult]: At program point L127-1(line 127) 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)) [2020-10-23 20:34:21,280 INFO L270 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))) [2020-10-23 20:34:21,280 INFO L270 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.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|)) [2020-10-23 20:34:21,280 INFO L270 CegarLoopResult]: At program point L111-1(line 111) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-10-23 20:34:21,280 INFO L270 CegarLoopResult]: At program point L78-1(line 78) the Hoare annotation is: (and (not (= |ebda_rsrc_controller_#t~ret11.base| 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-23 20:34:21,280 INFO L270 CegarLoopResult]: At program point L78-2(line 78) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ebda_rsrc_controller_#t~ret11.base| 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-23 20:34:21,280 INFO L270 CegarLoopResult]: At program point L103(line 103) the Hoare annotation is: false [2020-10-23 20:34:21,281 INFO L270 CegarLoopResult]: At program point L103-1(line 103) the Hoare annotation is: false [2020-10-23 20:34:21,281 INFO L270 CegarLoopResult]: At program point L99(lines 99 107) 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))) [2020-10-23 20:34:21,281 INFO L270 CegarLoopResult]: At program point L128(lines 72 133) 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)) [2020-10-23 20:34:21,281 INFO L270 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-10-23 20:34:21,281 INFO L270 CegarLoopResult]: At program point L95-1(line 95) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-10-23 20:34:21,281 INFO L270 CegarLoopResult]: At program point L124(line 124) 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)) [2020-10-23 20:34:21,282 INFO L270 CegarLoopResult]: At program point L120(line 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)) [2020-10-23 20:34:21,282 INFO L270 CegarLoopResult]: At program point L87(lines 87 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)|)) [2020-10-23 20:34:21,282 INFO L270 CegarLoopResult]: At program point L120-1(line 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)) [2020-10-23 20:34:21,282 INFO L270 CegarLoopResult]: At program point L120-2(line 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)) [2020-10-23 20:34:21,284 INFO L270 CegarLoopResult]: At program point L120-3(line 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)) [2020-10-23 20:34:21,284 INFO L270 CegarLoopResult]: At program point L116(line 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)) [2020-10-23 20:34:21,284 INFO L270 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-23 20:34:21,284 INFO L270 CegarLoopResult]: At program point L116-1(line 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)) [2020-10-23 20:34:21,285 INFO L270 CegarLoopResult]: At program point L83-1(line 83) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-23 20:34:21,285 INFO L270 CegarLoopResult]: At program point L116-2(line 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)) [2020-10-23 20:34:21,285 INFO L270 CegarLoopResult]: At program point L116-3(line 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)) [2020-10-23 20:34:21,285 INFO L270 CegarLoopResult]: At program point L79(lines 79 82) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-23 20:34:21,285 INFO L270 CegarLoopResult]: At program point L108(line 108) 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))) [2020-10-23 20:34:21,285 INFO L270 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.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|)) [2020-10-23 20:34:21,286 INFO L270 CegarLoopResult]: At program point L108-1(line 108) 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))) [2020-10-23 20:34:21,286 INFO L270 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: false [2020-10-23 20:34:21,287 INFO L270 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))) [2020-10-23 20:34:21,287 INFO L270 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 72 133) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.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|)) [2020-10-23 20:34:21,287 INFO L270 CegarLoopResult]: At program point ebda_rsrc_controllerFINAL(lines 72 133) 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)) [2020-10-23 20:34:21,291 INFO L270 CegarLoopResult]: At program point L92(line 92) 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)|)) [2020-10-23 20:34:21,291 INFO L270 CegarLoopResult]: At program point L121(lines 121 122) 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)) [2020-10-23 20:34:21,292 INFO L270 CegarLoopResult]: At program point L88(line 88) the Hoare annotation is: false [2020-10-23 20:34:21,292 INFO L270 CegarLoopResult]: At program point L117(lines 117 118) 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)) [2020-10-23 20:34:21,292 INFO L270 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-10-23 20:34:21,292 INFO L270 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: false [2020-10-23 20:34:21,292 INFO L270 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.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|)) [2020-10-23 20:34:21,292 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-23 20:34:21,292 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 20:34:21,293 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 20:34:21,293 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-23 20:34:21,293 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 135 139) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.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|)) [2020-10-23 20:34:21,293 INFO L277 CegarLoopResult]: At program point mainEXIT(lines 135 139) the Hoare annotation is: true [2020-10-23 20:34:21,293 INFO L270 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: false [2020-10-23 20:34:21,293 INFO L270 CegarLoopResult]: At program point L137(lines 137 138) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-23 20:34:21,293 INFO L270 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-23 20:34:21,294 INFO L270 CegarLoopResult]: At program point L138-2(line 138) the Hoare annotation is: false [2020-10-23 20:34:21,294 INFO L277 CegarLoopResult]: At program point L137-1(lines 135 139) the Hoare annotation is: true [2020-10-23 20:34:21,294 INFO L270 CegarLoopResult]: At program point L136-1(line 136) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-23 20:34:21,294 INFO L277 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: true [2020-10-23 20:34:21,294 INFO L277 CegarLoopResult]: At program point L64-1(line 64) the Hoare annotation is: true [2020-10-23 20:34:21,296 INFO L277 CegarLoopResult]: At program point fillslotinfoENTRY(lines 62 65) the Hoare annotation is: true [2020-10-23 20:34:21,296 INFO L277 CegarLoopResult]: At program point L64-2(line 64) the Hoare annotation is: true [2020-10-23 20:34:21,297 INFO L277 CegarLoopResult]: At program point fillslotinfoEXIT(lines 62 65) the Hoare annotation is: true [2020-10-23 20:34:21,297 INFO L277 CegarLoopResult]: At program point fillslotinfoFINAL(lines 62 65) the Hoare annotation is: true [2020-10-23 20:34:21,297 INFO L270 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-10-23 20:34:21,297 INFO L277 CegarLoopResult]: At program point #Ultimate.meminitEXIT(line -1) the Hoare annotation is: true [2020-10-23 20:34:21,297 INFO L277 CegarLoopResult]: At program point #Ultimate.meminitFINAL(line -1) the Hoare annotation is: true [2020-10-23 20:34:21,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:34:21 BoogieIcfgContainer [2020-10-23 20:34:21,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:34:21,326 INFO L168 Benchmark]: Toolchain (without parser) took 7494.08 ms. Allocated memory was 158.3 MB in the beginning and 229.6 MB in the end (delta: 71.3 MB). Free memory was 116.4 MB in the beginning and 83.4 MB in the end (delta: 33.0 MB). Peak memory consumption was 112.2 MB. Max. memory is 8.0 GB. [2020-10-23 20:34:21,326 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 158.3 MB. Free memory is still 133.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:34:21,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.61 ms. Allocated memory is still 158.3 MB. Free memory was 115.7 MB in the beginning and 104.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-23 20:34:21,328 INFO L168 Benchmark]: Boogie Preprocessor took 140.61 ms. Allocated memory is still 158.3 MB. Free memory was 142.1 MB in the beginning and 140.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 8.0 GB. [2020-10-23 20:34:21,329 INFO L168 Benchmark]: RCFGBuilder took 712.69 ms. Allocated memory is still 158.3 MB. Free memory was 140.6 MB in the beginning and 114.0 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-23 20:34:21,331 INFO L168 Benchmark]: TraceAbstraction took 6313.25 ms. Allocated memory was 158.3 MB in the beginning and 229.6 MB in the end (delta: 71.3 MB). Free memory was 113.6 MB in the beginning and 83.4 MB in the end (delta: 30.2 MB). Peak memory consumption was 107.6 MB. Max. memory is 8.0 GB. [2020-10-23 20:34:21,334 INFO L339 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 158.3 MB. Free memory is still 133.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 297.61 ms. Allocated memory is still 158.3 MB. Free memory was 115.7 MB in the beginning and 104.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 140.61 ms. Allocated memory is still 158.3 MB. Free memory was 142.1 MB in the beginning and 140.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 712.69 ms. Allocated memory is still 158.3 MB. Free memory was 140.6 MB in the beginning and 114.0 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6313.25 ms. Allocated memory was 158.3 MB in the beginning and 229.6 MB in the end (delta: 71.3 MB). Free memory was 113.6 MB in the beginning and 83.4 MB in the end (delta: 30.2 MB). Peak memory consumption was 107.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 72]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - ProcedureContractResult [Line: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 56]: 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: 50]: Procedure Contract for kfree Derived contract for procedure kfree: 1 - ProcedureContractResult [Line: 48]: Procedure Contract for kzalloc Derived contract for procedure kzalloc: (0 < calloc(1, size) || calloc(1, size) + 1 <= 0) && (1 <= \result || \result + 1 <= 0) - ProcedureContractResult [Line: 6]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 67]: Procedure Contract for ibmphp_init_devno Derived contract for procedure ibmphp_init_devno: 1 - ProcedureContractResult [Line: 72]: 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: 62]: Procedure Contract for fillslotinfo Derived contract for procedure fillslotinfo: 1 - ProcedureContractResult [Line: 135]: 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 12 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 361 SDtfs, 529 SDslu, 1053 SDs, 0 SdLazy, 1192 SolverSat, 194 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 112 LocationsWithAnnotation, 163 PreInvPairs, 178 NumberOfFragments, 926 HoareAnnotationTreeSize, 163 FomulaSimplifications, 1932 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 112 FomulaSimplificationsInter, 1985 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...