/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 07:45:25,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 07:45:25,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 07:45:25,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 07:45:25,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 07:45:25,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 07:45:25,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 07:45:25,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 07:45:25,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 07:45:25,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 07:45:25,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 07:45:25,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 07:45:25,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 07:45:25,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 07:45:25,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 07:45:25,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 07:45:25,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 07:45:25,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 07:45:25,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 07:45:25,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 07:45:25,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 07:45:25,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 07:45:25,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 07:45:25,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 07:45:25,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 07:45:25,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 07:45:25,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 07:45:25,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 07:45:25,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 07:45:25,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 07:45:25,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 07:45:25,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 07:45:25,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 07:45:25,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 07:45:25,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 07:45:25,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 07:45:25,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 07:45:25,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 07:45:25,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 07:45:25,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 07:45:25,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 07:45:25,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 07:45:25,474 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 07:45:25,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 07:45:25,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 07:45:25,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 07:45:25,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 07:45:25,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 07:45:25,476 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 07:45:25,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 07:45:25,476 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 07:45:25,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 07:45:25,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 07:45:25,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 07:45:25,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 07:45:25,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 07:45:25,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 07:45:25,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 07:45:25,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 07:45:25,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 07:45:25,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 07:45:25,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 07:45:25,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 07:45:25,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 07:45:25,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 07:45:25,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 07:45:25,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 07:45:25,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 07:45:25,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 07:45:25,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 07:45:25,479 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 07:45:25,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 07:45:25,479 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 07:45:25,479 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 07:45:25,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 07:45:25,479 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 07:45:25,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 07:45:25,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 07:45:25,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 07:45:25,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 07:45:25,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 07:45:25,725 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 07:45:25,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i [2021-07-10 07:45:25,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9b9e3c2/05044a6c00e54c3fbdf1db5f44576988/FLAG37ff256f3 [2021-07-10 07:45:26,154 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 07:45:26,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i [2021-07-10 07:45:26,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9b9e3c2/05044a6c00e54c3fbdf1db5f44576988/FLAG37ff256f3 [2021-07-10 07:45:26,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9b9e3c2/05044a6c00e54c3fbdf1db5f44576988 [2021-07-10 07:45:26,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 07:45:26,526 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 07:45:26,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 07:45:26,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 07:45:26,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 07:45:26,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:45:26" (1/1) ... [2021-07-10 07:45:26,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd992fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26, skipping insertion in model container [2021-07-10 07:45:26,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:45:26" (1/1) ... [2021-07-10 07:45:26,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 07:45:26,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 07:45:26,707 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i[952,965] [2021-07-10 07:45:26,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 07:45:26,889 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 07:45:26,898 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i[952,965] [2021-07-10 07:45:26,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 07:45:26,956 INFO L208 MainTranslator]: Completed translation [2021-07-10 07:45:26,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26 WrapperNode [2021-07-10 07:45:26,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 07:45:26,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 07:45:26,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 07:45:26,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 07:45:26,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26" (1/1) ... [2021-07-10 07:45:26,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26" (1/1) ... [2021-07-10 07:45:27,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 07:45:27,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 07:45:27,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 07:45:27,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 07:45:27,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26" (1/1) ... [2021-07-10 07:45:27,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26" (1/1) ... [2021-07-10 07:45:27,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26" (1/1) ... [2021-07-10 07:45:27,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26" (1/1) ... [2021-07-10 07:45:27,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26" (1/1) ... [2021-07-10 07:45:27,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26" (1/1) ... [2021-07-10 07:45:27,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26" (1/1) ... [2021-07-10 07:45:27,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 07:45:27,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 07:45:27,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 07:45:27,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 07:45:27,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26" (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 [2021-07-10 07:45:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 07:45:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 07:45:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 07:45:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 07:45:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-10 07:45:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-10 07:45:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-10 07:45:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-10 07:45:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 07:45:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 07:45:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 07:45:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 07:45:27,097 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 07:45:27,307 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 07:45:27,307 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-10 07:45:27,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:45:27 BoogieIcfgContainer [2021-07-10 07:45:27,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 07:45:27,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 07:45:27,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 07:45:27,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 07:45:27,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:45:26" (1/3) ... [2021-07-10 07:45:27,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e57840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:45:27, skipping insertion in model container [2021-07-10 07:45:27,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:45:26" (2/3) ... [2021-07-10 07:45:27,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e57840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:45:27, skipping insertion in model container [2021-07-10 07:45:27,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:45:27" (3/3) ... [2021-07-10 07:45:27,313 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_power.oepc.i [2021-07-10 07:45:27,316 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 07:45:27,317 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 07:45:27,317 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 07:45:27,317 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 07:45:27,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,336 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,336 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,337 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,348 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,350 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,350 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,350 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,351 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,364 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,364 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:45:27,366 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 07:45:27,380 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 07:45:27,429 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:45:27,430 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:45:27,430 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:45:27,430 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:45:27,430 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:45:27,430 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:45:27,430 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:45:27,430 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 07:45:27,591 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:45:27,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:45:27,595 INFO L82 PathProgramCache]: Analyzing trace with hash 2126114836, now seen corresponding path program 1 times [2021-07-10 07:45:27,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:45:27,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480556414] [2021-07-10 07:45:27,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:45:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:45:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:45:27,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:45:27,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480556414] [2021-07-10 07:45:27,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480556414] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:45:27,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:45:27,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 07:45:27,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34001862] [2021-07-10 07:45:27,786 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 07:45:27,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:45:27,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 07:45:27,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 07:45:27,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:27,801 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:45:27,803 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:45:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:27,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 07:45:27,816 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:45:27,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:45:27,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1186657722, now seen corresponding path program 1 times [2021-07-10 07:45:27,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:45:27,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693356207] [2021-07-10 07:45:27,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:45:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:45:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:45:27,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:45:27,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693356207] [2021-07-10 07:45:27,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693356207] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:45:27,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:45:27,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 07:45:27,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959441329] [2021-07-10 07:45:27,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 07:45:27,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:45:27,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 07:45:27,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 07:45:27,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:27,985 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:45:27,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:45:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:28,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:45:28,130 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 07:45:28,131 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:45:28,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:45:28,136 INFO L82 PathProgramCache]: Analyzing trace with hash -220323646, now seen corresponding path program 1 times [2021-07-10 07:45:28,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:45:28,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497219123] [2021-07-10 07:45:28,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:45:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:45:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:45:28,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:45:28,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497219123] [2021-07-10 07:45:28,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497219123] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:45:28,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:45:28,238 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 07:45:28,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558743264] [2021-07-10 07:45:28,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 07:45:28,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:45:28,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 07:45:28,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-10 07:45:28,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:28,239 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:45:28,239 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:45:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:45:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:45:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:45:28,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 07:45:28,321 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:45:28,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:45:28,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1954017514, now seen corresponding path program 2 times [2021-07-10 07:45:28,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:45:28,321 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692084188] [2021-07-10 07:45:28,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:45:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:45:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:45:28,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:45:28,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692084188] [2021-07-10 07:45:28,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692084188] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:45:28,390 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:45:28,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-10 07:45:28,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153329565] [2021-07-10 07:45:28,391 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 07:45:28,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:45:28,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 07:45:28,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-10 07:45:28,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:28,392 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:45:28,392 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:45:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:45:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:45:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:28,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:45:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:45:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:45:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:45:28,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 07:45:28,522 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 07:45:28,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 07:45:28 BasicIcfg [2021-07-10 07:45:28,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 07:45:28,524 INFO L168 Benchmark]: Toolchain (without parser) took 1998.26 ms. Allocated memory was 194.0 MB in the beginning and 263.2 MB in the end (delta: 69.2 MB). Free memory was 156.4 MB in the beginning and 186.8 MB in the end (delta: -30.4 MB). Peak memory consumption was 39.5 MB. Max. memory is 8.0 GB. [2021-07-10 07:45:28,524 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 194.0 MB. Free memory was 174.0 MB in the beginning and 173.9 MB in the end (delta: 81.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 07:45:28,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.25 ms. Allocated memory is still 194.0 MB. Free memory was 156.2 MB in the beginning and 168.0 MB in the end (delta: -11.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 8.0 GB. [2021-07-10 07:45:28,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.16 ms. Allocated memory is still 194.0 MB. Free memory was 168.0 MB in the beginning and 166.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 07:45:28,525 INFO L168 Benchmark]: Boogie Preprocessor took 25.91 ms. Allocated memory is still 194.0 MB. Free memory was 166.2 MB in the beginning and 164.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 07:45:28,525 INFO L168 Benchmark]: RCFGBuilder took 279.55 ms. Allocated memory is still 194.0 MB. Free memory was 164.9 MB in the beginning and 143.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-10 07:45:28,525 INFO L168 Benchmark]: TraceAbstraction took 1214.23 ms. Allocated memory was 194.0 MB in the beginning and 263.2 MB in the end (delta: 69.2 MB). Free memory was 143.5 MB in the beginning and 186.8 MB in the end (delta: -43.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-07-10 07:45:28,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 194.0 MB. Free memory was 174.0 MB in the beginning and 173.9 MB in the end (delta: 81.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 430.25 ms. Allocated memory is still 194.0 MB. Free memory was 156.2 MB in the beginning and 168.0 MB in the end (delta: -11.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.16 ms. Allocated memory is still 194.0 MB. Free memory was 168.0 MB in the beginning and 166.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.91 ms. Allocated memory is still 194.0 MB. Free memory was 166.2 MB in the beginning and 164.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 279.55 ms. Allocated memory is still 194.0 MB. Free memory was 164.9 MB in the beginning and 143.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1214.23 ms. Allocated memory was 194.0 MB in the beginning and 263.2 MB in the end (delta: 69.2 MB). Free memory was 143.5 MB in the beginning and 186.8 MB in the end (delta: -43.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2667, positive: 2611, positive conditional: 601, positive unconditional: 2010, negative: 56, negative conditional: 32, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2653, positive: 2611, positive conditional: 601, positive unconditional: 2010, negative: 42, negative conditional: 18, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2653, positive: 2590, positive conditional: 0, positive unconditional: 2590, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 531, positive: 518, positive conditional: 0, positive unconditional: 518, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 531, positive: 516, positive conditional: 0, positive unconditional: 516, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 13, positive conditional: 5, positive unconditional: 9, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2653, positive: 2072, positive conditional: 0, positive unconditional: 2072, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 531, unknown conditional: 0, unknown unconditional: 531] , Statistics on independence cache: Total cache size (in pairs): 533, Positive cache size: 520, Positive conditional cache size: 2, Positive unconditional cache size: 518, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 13, positive conditional: 5, positive unconditional: 9, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 533, Positive cache size: 520, Positive conditional cache size: 2, Positive unconditional cache size: 518, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 58, SemanticConditionEliminator.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 13, positive conditional: 5, positive unconditional: 9, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 533, Positive cache size: 520, Positive conditional cache size: 2, Positive unconditional cache size: 518, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 58, SemanticConditionEliminator.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 13, positive conditional: 5, positive unconditional: 9, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 533, Positive cache size: 520, Positive conditional cache size: 2, Positive unconditional cache size: 518, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 58, SemanticConditionEliminator.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 13, positive conditional: 5, positive unconditional: 9, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 533, Positive cache size: 520, Positive conditional cache size: 2, Positive unconditional cache size: 518, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 58 ], Maximal queried relation: 4, Independence queries for same thread: 14 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 154, Number of persistent set computation: 94, Number of trivial persistent sets: 40, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2667, positive: 2611, positive conditional: 601, positive unconditional: 2010, negative: 56, negative conditional: 32, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2653, positive: 2611, positive conditional: 601, positive unconditional: 2010, negative: 42, negative conditional: 18, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2653, positive: 2590, positive conditional: 0, positive unconditional: 2590, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 531, positive: 518, positive conditional: 0, positive unconditional: 518, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 531, positive: 516, positive conditional: 0, positive unconditional: 516, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 13, positive conditional: 5, positive unconditional: 9, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2653, positive: 2072, positive conditional: 0, positive unconditional: 2072, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 531, unknown conditional: 0, unknown unconditional: 531] , Statistics on independence cache: Total cache size (in pairs): 533, Positive cache size: 520, Positive conditional cache size: 2, Positive unconditional cache size: 518, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 13, positive conditional: 5, positive unconditional: 9, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 533, Positive cache size: 520, Positive conditional cache size: 2, Positive unconditional cache size: 518, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 58, SemanticConditionEliminator.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 13, positive conditional: 5, positive unconditional: 9, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 533, Positive cache size: 520, Positive conditional cache size: 2, Positive unconditional cache size: 518, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 58, SemanticConditionEliminator.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 13, positive conditional: 5, positive unconditional: 9, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 533, Positive cache size: 520, Positive conditional cache size: 2, Positive unconditional cache size: 518, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 58, SemanticConditionEliminator.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 13, positive conditional: 5, positive unconditional: 9, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 533, Positive cache size: 520, Positive conditional cache size: 2, Positive unconditional cache size: 518, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 58 ], Maximal queried relation: 4, Independence queries for same thread: 14 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1129.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 496.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.3ms SsaConstructionTime, 101.0ms SatisfiabilityAnalysisTime, 314.7ms InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...