/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:36:27,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:36:27,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:36:27,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 13:36:27,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:36:27,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:36:27,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:36:27,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:36:27,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:36:27,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:36:27,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:36:27,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:36:27,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:36:27,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:36:27,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:36:27,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:36:27,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 13:36:27,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:36:27,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:36:27,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:36:27,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:36:27,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:36:27,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:36:27,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:36:27,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:36:27,362 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:36:27,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:36:27,362 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:36:27,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:36:27,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:36:27,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:36:27,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:36:27,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:36:27,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:36:27,365 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:36:27,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:36:27,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:36:27,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:36:27,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:36:27,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:36:27,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:36:27,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:36:27,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:36:27,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:36:27,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:36:27,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:36:27,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:36:27,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:36:27,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:36:27,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:36:27,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:36:27,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:36:27,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:36:27,902 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:36:27,903 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:36:27,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2021-02-23 13:36:27,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766282850/bd680048e1d54ad0934359abfd0f8098/FLAG8e0277ea0 [2021-02-23 13:36:28,712 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:36:28,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2021-02-23 13:36:28,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766282850/bd680048e1d54ad0934359abfd0f8098/FLAG8e0277ea0 [2021-02-23 13:36:29,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766282850/bd680048e1d54ad0934359abfd0f8098 [2021-02-23 13:36:29,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:36:29,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:36:29,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:36:29,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:36:29,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:36:29,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:36:29" (1/1) ... [2021-02-23 13:36:29,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aba67d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:29, skipping insertion in model container [2021-02-23 13:36:29,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:36:29" (1/1) ... [2021-02-23 13:36:29,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:36:29,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:36:29,246 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i[299,312] [2021-02-23 13:36:29,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:36:29,298 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:36:29,312 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i[299,312] [2021-02-23 13:36:29,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:36:29,347 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:36:29,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:29 WrapperNode [2021-02-23 13:36:29,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:36:29,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:36:29,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:36:29,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:36:29,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:29" (1/1) ... [2021-02-23 13:36:29,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:29" (1/1) ... [2021-02-23 13:36:29,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:29" (1/1) ... [2021-02-23 13:36:29,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:29" (1/1) ... [2021-02-23 13:36:29,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:29" (1/1) ... [2021-02-23 13:36:29,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:29" (1/1) ... [2021-02-23 13:36:29,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:29" (1/1) ... [2021-02-23 13:36:29,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:36:29,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:36:29,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:36:29,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:36:29,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:29" (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 [2021-02-23 13:36:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:36:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:36:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:36:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-23 13:36:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-23 13:36:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-23 13:36:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2021-02-23 13:36:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2021-02-23 13:36:29,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2021-02-23 13:36:29,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2021-02-23 13:36:29,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:36:29,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-23 13:36:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:36:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:36:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:36:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:36:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-23 13:36:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 13:36:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-23 13:36:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 13:36:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-23 13:36:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-23 13:36:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2021-02-23 13:36:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 13:36:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2021-02-23 13:36:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2021-02-23 13:36:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2021-02-23 13:36:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:36:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 13:36:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 13:36:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:36:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:36:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:36:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:36:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:36:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:36:30,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:36:30,133 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 13:36:30,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:36:30 BoogieIcfgContainer [2021-02-23 13:36:30,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:36:30,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:36:30,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:36:30,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:36:30,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:36:29" (1/3) ... [2021-02-23 13:36:30,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa883be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:36:30, skipping insertion in model container [2021-02-23 13:36:30,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:29" (2/3) ... [2021-02-23 13:36:30,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa883be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:36:30, skipping insertion in model container [2021-02-23 13:36:30,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:36:30" (3/3) ... [2021-02-23 13:36:30,149 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2021-02-23 13:36:30,157 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:36:30,163 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:36:30,188 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:36:30,233 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:36:30,234 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:36:30,234 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:36:30,234 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:36:30,234 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:36:30,234 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:36:30,235 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:36:30,235 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:36:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2021-02-23 13:36:30,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-23 13:36:30,267 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:36:30,268 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] [2021-02-23 13:36:30,269 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:36:30,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:36:30,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1927839948, now seen corresponding path program 1 times [2021-02-23 13:36:30,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:36:30,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375638287] [2021-02-23 13:36:30,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:36:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:30,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:30,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:30,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:30,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:30,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:36:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:30,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:30,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:30,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 13:36:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:30,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:30,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:30,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:30,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:36:30,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:30,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:36:30,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:30,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:30,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:30,911 WARN L141 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-02-23 13:36:30,912 WARN L147 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size 9 [2021-02-23 13:36:30,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:30,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:30,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:30,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:30,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:36:30,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375638287] [2021-02-23 13:36:30,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:36:30,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 13:36:30,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453764684] [2021-02-23 13:36:30,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 13:36:30,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:36:30,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 13:36:30,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-23 13:36:31,001 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 10 states. [2021-02-23 13:36:31,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:36:31,428 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2021-02-23 13:36:31,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 13:36:31,430 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2021-02-23 13:36:31,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:36:31,440 INFO L225 Difference]: With dead ends: 77 [2021-02-23 13:36:31,441 INFO L226 Difference]: Without dead ends: 58 [2021-02-23 13:36:31,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-02-23 13:36:31,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-02-23 13:36:31,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2021-02-23 13:36:31,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-02-23 13:36:31,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2021-02-23 13:36:31,499 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 26 [2021-02-23 13:36:31,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:36:31,501 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2021-02-23 13:36:31,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 13:36:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2021-02-23 13:36:31,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-23 13:36:31,504 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:36:31,504 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:36:31,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:36:31,504 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:36:31,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:36:31,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1084443593, now seen corresponding path program 1 times [2021-02-23 13:36:31,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:36:31,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580036663] [2021-02-23 13:36:31,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:36:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:31,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:31,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:31,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:31,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:31,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:36:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:31,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:31,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:31,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 13:36:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:31,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:31,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:31,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:31,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:36:31,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:31,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:36:31,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:31,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:31,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:31,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:31,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:31,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:31,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:31,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:31,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:36:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:31,704 WARN L141 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-02-23 13:36:31,705 WARN L147 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size 9 [2021-02-23 13:36:31,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:31,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:31,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:31,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:31,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-02-23 13:36:31,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580036663] [2021-02-23 13:36:31,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:36:31,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 13:36:31,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791318974] [2021-02-23 13:36:31,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 13:36:31,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:36:31,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 13:36:31,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-23 13:36:31,747 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand 10 states. [2021-02-23 13:36:32,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:36:32,293 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2021-02-23 13:36:32,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 13:36:32,293 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2021-02-23 13:36:32,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:36:32,296 INFO L225 Difference]: With dead ends: 75 [2021-02-23 13:36:32,296 INFO L226 Difference]: Without dead ends: 66 [2021-02-23 13:36:32,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-02-23 13:36:32,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-02-23 13:36:32,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2021-02-23 13:36:32,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-02-23 13:36:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-02-23 13:36:32,312 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 37 [2021-02-23 13:36:32,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:36:32,313 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-02-23 13:36:32,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 13:36:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-02-23 13:36:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-23 13:36:32,315 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:36:32,316 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-23 13:36:32,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:36:32,316 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:36:32,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:36:32,317 INFO L82 PathProgramCache]: Analyzing trace with hash -854378489, now seen corresponding path program 1 times [2021-02-23 13:36:32,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:36:32,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47381858] [2021-02-23 13:36:32,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:36:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:32,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:32,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:32,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:36:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:32,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:32,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 13:36:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:32,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:32,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:36:32,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:36:32,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:32,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:32,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:32,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:32,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:32,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:36:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:32,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:32,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:32,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:32,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-02-23 13:36:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:32,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:32,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:32,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:36:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:32,607 WARN L141 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-02-23 13:36:32,608 WARN L147 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size 9 [2021-02-23 13:36:32,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:32,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:32,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:32,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 13:36:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:32,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:32,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-02-23 13:36:32,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47381858] [2021-02-23 13:36:32,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:36:32,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-23 13:36:32,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597853975] [2021-02-23 13:36:32,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 13:36:32,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:36:32,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 13:36:32,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-02-23 13:36:32,730 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 13 states. [2021-02-23 13:36:33,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:36:33,185 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2021-02-23 13:36:33,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 13:36:33,186 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2021-02-23 13:36:33,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:36:33,188 INFO L225 Difference]: With dead ends: 82 [2021-02-23 13:36:33,188 INFO L226 Difference]: Without dead ends: 66 [2021-02-23 13:36:33,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-02-23 13:36:33,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-02-23 13:36:33,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2021-02-23 13:36:33,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-02-23 13:36:33,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2021-02-23 13:36:33,201 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 59 [2021-02-23 13:36:33,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:36:33,202 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2021-02-23 13:36:33,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 13:36:33,202 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2021-02-23 13:36:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-23 13:36:33,204 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:36:33,204 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-23 13:36:33,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 13:36:33,205 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:36:33,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:36:33,205 INFO L82 PathProgramCache]: Analyzing trace with hash -2108152309, now seen corresponding path program 1 times [2021-02-23 13:36:33,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:36:33,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467056895] [2021-02-23 13:36:33,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:36:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:36:33,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:36:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 13:36:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:36:33,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:36:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-02-23 13:36:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:36:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:36:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 13:36:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-23 13:36:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:33,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:33,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-02-23 13:36:33,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467056895] [2021-02-23 13:36:33,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:36:33,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 13:36:33,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567289502] [2021-02-23 13:36:33,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 13:36:33,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:36:33,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 13:36:33,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 13:36:33,440 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 7 states. [2021-02-23 13:36:33,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:36:33,806 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2021-02-23 13:36:33,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 13:36:33,806 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2021-02-23 13:36:33,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:36:33,807 INFO L225 Difference]: With dead ends: 66 [2021-02-23 13:36:33,807 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 13:36:33,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-02-23 13:36:33,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 13:36:33,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 13:36:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 13:36:33,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 13:36:33,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-02-23 13:36:33,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:36:33,810 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 13:36:33,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 13:36:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 13:36:33,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 13:36:33,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 13:36:33,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 13:36:34,387 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 13:36:34,388 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 13:36:34,388 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 13:36:34,388 INFO L189 CegarLoopUtils]: For program point ibmphp_find_same_bus_numEXIT(lines 56 58) no Hoare annotation was computed. [2021-02-23 13:36:34,388 INFO L189 CegarLoopUtils]: For program point L57(line 57) no Hoare annotation was computed. [2021-02-23 13:36:34,388 INFO L185 CegarLoopUtils]: 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)) [2021-02-23 13:36:34,389 INFO L189 CegarLoopUtils]: For program point ibmphp_find_same_bus_numFINAL(lines 56 58) no Hoare annotation was computed. [2021-02-23 13:36:34,389 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:36:34,389 INFO L185 CegarLoopUtils]: 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)|)) [2021-02-23 13:36:34,389 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:36:34,389 INFO L189 CegarLoopUtils]: For program point L51-2(lines 50 53) no Hoare annotation was computed. [2021-02-23 13:36:34,389 INFO L189 CegarLoopUtils]: For program point kfreeEXIT(lines 50 53) no Hoare annotation was computed. [2021-02-23 13:36:34,390 INFO L185 CegarLoopUtils]: 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)) [2021-02-23 13:36:34,390 INFO L189 CegarLoopUtils]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-02-23 13:36:34,390 INFO L185 CegarLoopUtils]: At program point L48(line 48) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (or (< 0 |kzalloc_#t~malloc7.base|) (<= (+ |kzalloc_#t~malloc7.base| 1) 0))) [2021-02-23 13:36:34,390 INFO L189 CegarLoopUtils]: For program point L48-1(line 48) no Hoare annotation was computed. [2021-02-23 13:36:34,390 INFO L189 CegarLoopUtils]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2021-02-23 13:36:34,390 INFO L185 CegarLoopUtils]: At program point kzallocENTRY(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2021-02-23 13:36:34,391 INFO L189 CegarLoopUtils]: For program point kzallocFINAL(line 48) no Hoare annotation was computed. [2021-02-23 13:36:34,391 INFO L189 CegarLoopUtils]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-02-23 13:36:34,391 INFO L189 CegarLoopUtils]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2021-02-23 13:36:34,391 INFO L189 CegarLoopUtils]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2021-02-23 13:36:34,391 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2021-02-23 13:36:34,391 INFO L192 CegarLoopUtils]: At program point ibmphp_init_devnoENTRY(lines 67 70) the Hoare annotation is: true [2021-02-23 13:36:34,391 INFO L189 CegarLoopUtils]: For program point ibmphp_init_devnoFINAL(lines 67 70) no Hoare annotation was computed. [2021-02-23 13:36:34,392 INFO L189 CegarLoopUtils]: For program point ibmphp_init_devnoEXIT(lines 67 70) no Hoare annotation was computed. [2021-02-23 13:36:34,392 INFO L189 CegarLoopUtils]: For program point ebda_rsrc_controllerEXIT(lines 72 133) no Hoare annotation was computed. [2021-02-23 13:36:34,392 INFO L185 CegarLoopUtils]: 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)) [2021-02-23 13:36:34,392 INFO L185 CegarLoopUtils]: 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)) [2021-02-23 13:36:34,392 INFO L185 CegarLoopUtils]: 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)) [2021-02-23 13:36:34,392 INFO L189 CegarLoopUtils]: For program point L87(lines 87 90) no Hoare annotation was computed. [2021-02-23 13:36:34,393 INFO L189 CegarLoopUtils]: For program point L120-1(line 120) no Hoare annotation was computed. [2021-02-23 13:36:34,393 INFO L185 CegarLoopUtils]: At program point L85(line 85) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2021-02-23 13:36:34,393 INFO L189 CegarLoopUtils]: For program point L85-1(line 85) no Hoare annotation was computed. [2021-02-23 13:36:34,393 INFO L185 CegarLoopUtils]: 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)) [2021-02-23 13:36:34,393 INFO L189 CegarLoopUtils]: For program point L116-1(line 116) no Hoare annotation was computed. [2021-02-23 13:36:34,393 INFO L189 CegarLoopUtils]: For program point L79(lines 79 82) no Hoare annotation was computed. [2021-02-23 13:36:34,394 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 13:36:34,394 INFO L189 CegarLoopUtils]: For program point L98-1(line 98) no Hoare annotation was computed. [2021-02-23 13:36:34,394 INFO L185 CegarLoopUtils]: 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)) [2021-02-23 13:36:34,394 INFO L189 CegarLoopUtils]: For program point L127-1(line 127) no Hoare annotation was computed. [2021-02-23 13:36:34,394 INFO L185 CegarLoopUtils]: 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|)) [2021-02-23 13:36:34,394 INFO L189 CegarLoopUtils]: For program point ebda_rsrc_controllerFINAL(lines 72 133) no Hoare annotation was computed. [2021-02-23 13:36:34,394 INFO L189 CegarLoopUtils]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-02-23 13:36:34,395 INFO L189 CegarLoopUtils]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-02-23 13:36:34,395 INFO L185 CegarLoopUtils]: 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|)) [2021-02-23 13:36:34,395 INFO L189 CegarLoopUtils]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-02-23 13:36:34,395 INFO L189 CegarLoopUtils]: For program point L99(lines 99 107) no Hoare annotation was computed. [2021-02-23 13:36:34,395 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:36:34,395 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 13:36:34,395 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 13:36:34,396 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:36:34,396 INFO L185 CegarLoopUtils]: 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|)) [2021-02-23 13:36:34,396 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 135 139) no Hoare annotation was computed. [2021-02-23 13:36:34,396 INFO L189 CegarLoopUtils]: For program point L138(line 138) no Hoare annotation was computed. [2021-02-23 13:36:34,396 INFO L189 CegarLoopUtils]: For program point L137(lines 137 138) no Hoare annotation was computed. [2021-02-23 13:36:34,396 INFO L189 CegarLoopUtils]: For program point L136(line 136) no Hoare annotation was computed. [2021-02-23 13:36:34,396 INFO L185 CegarLoopUtils]: At program point L138-2(line 138) the Hoare annotation is: false [2021-02-23 13:36:34,396 INFO L189 CegarLoopUtils]: For program point L137-1(lines 135 139) no Hoare annotation was computed. [2021-02-23 13:36:34,397 INFO L192 CegarLoopUtils]: At program point fillslotinfoENTRY(lines 62 65) the Hoare annotation is: true [2021-02-23 13:36:34,397 INFO L189 CegarLoopUtils]: For program point fillslotinfoEXIT(lines 62 65) no Hoare annotation was computed. [2021-02-23 13:36:34,397 INFO L189 CegarLoopUtils]: For program point fillslotinfoFINAL(lines 62 65) no Hoare annotation was computed. [2021-02-23 13:36:34,397 INFO L185 CegarLoopUtils]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2021-02-23 13:36:34,397 INFO L189 CegarLoopUtils]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:36:34,397 INFO L189 CegarLoopUtils]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:36:34,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:36:34 BoogieIcfgContainer [2021-02-23 13:36:34,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:36:34,417 INFO L168 Benchmark]: Toolchain (without parser) took 5373.50 ms. Allocated memory was 164.6 MB in the beginning and 200.3 MB in the end (delta: 35.7 MB). Free memory was 140.7 MB in the beginning and 157.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 110.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:36:34,418 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 164.6 MB. Free memory is still 143.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:36:34,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.29 ms. Allocated memory is still 164.6 MB. Free memory was 139.6 MB in the beginning and 128.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-23 13:36:34,419 INFO L168 Benchmark]: Boogie Preprocessor took 50.72 ms. Allocated memory is still 164.6 MB. Free memory was 128.8 MB in the beginning and 127.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 13:36:34,420 INFO L168 Benchmark]: RCFGBuilder took 734.44 ms. Allocated memory is still 164.6 MB. Free memory was 127.0 MB in the beginning and 141.5 MB in the end (delta: -14.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:36:34,421 INFO L168 Benchmark]: TraceAbstraction took 4276.48 ms. Allocated memory was 164.6 MB in the beginning and 200.3 MB in the end (delta: 35.7 MB). Free memory was 141.5 MB in the beginning and 157.3 MB in the end (delta: -15.9 MB). Peak memory consumption was 111.0 MB. Max. memory is 8.0 GB. [2021-02-23 13:36:34,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 164.6 MB. Free memory is still 143.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 289.29 ms. Allocated memory is still 164.6 MB. Free memory was 139.6 MB in the beginning and 128.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 50.72 ms. Allocated memory is still 164.6 MB. Free memory was 128.8 MB in the beginning and 127.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 734.44 ms. Allocated memory is still 164.6 MB. Free memory was 127.0 MB in the beginning and 141.5 MB in the end (delta: -14.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4276.48 ms. Allocated memory was 164.6 MB in the beginning and 200.3 MB in the end (delta: 35.7 MB). Free memory was 141.5 MB in the beginning and 157.3 MB in the end (delta: -15.9 MB). Peak memory consumption was 111.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 211 SDtfs, 190 SDslu, 729 SDs, 0 SdLazy, 714 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 31 PreInvPairs, 34 NumberOfFragments, 261 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 553 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 34995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 56/56 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...