/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 13:42:39,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 13:42:39,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 13:42:39,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 13:42:39,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 13:42:39,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 13:42:39,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 13:42:39,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 13:42:39,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 13:42:39,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 13:42:39,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 13:42:39,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 13:42:39,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 13:42:39,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 13:42:39,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 13:42:39,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 13:42:39,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 13:42:39,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 13:42:39,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 13:42:39,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 13:42:39,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 13:42:39,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 13:42:39,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 13:42:39,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 13:42:39,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 13:42:39,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 13:42:39,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 13:42:39,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 13:42:39,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 13:42:39,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 13:42:39,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 13:42:39,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 13:42:39,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 13:42:39,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 13:42:39,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 13:42:39,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 13:42:39,154 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-10 13:42:39,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 13:42:39,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 13:42:39,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 13:42:39,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 13:42:39,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 13:42:39,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 13:42:39,189 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 13:42:39,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 13:42:39,189 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 13:42:39,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 13:42:39,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 13:42:39,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 13:42:39,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 13:42:39,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 13:42:39,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 13:42:39,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 13:42:39,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 13:42:39,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 13:42:39,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 13:42:39,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 13:42:39,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 13:42:39,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 13:42:39,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 13:42:39,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:42:39,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 13:42:39,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 13:42:39,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 13:42:39,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 13:42:39,192 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 13:42:39,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 13:42:39,192 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 13:42:39,192 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 13:42:39,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 13:42:39,193 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 13:42:39,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 13:42:39,193 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 13:42:39,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 13:42:39,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 13:42:39,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 13:42:39,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 13:42:39,452 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 13:42:39,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2021-07-10 13:42:39,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57fb5eff/9a9609c1fb50409fbb993a74a1e99c6c/FLAGd34ad6589 [2021-07-10 13:42:39,862 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 13:42:39,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2021-07-10 13:42:39,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57fb5eff/9a9609c1fb50409fbb993a74a1e99c6c/FLAGd34ad6589 [2021-07-10 13:42:40,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57fb5eff/9a9609c1fb50409fbb993a74a1e99c6c [2021-07-10 13:42:40,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 13:42:40,223 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 13:42:40,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 13:42:40,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 13:42:40,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 13:42:40,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790f31c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40, skipping insertion in model container [2021-07-10 13:42:40,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 13:42:40,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 13:42:40,555 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/sync01.i[42004,42017] [2021-07-10 13:42:40,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 13:42:40,565 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 13:42:40,606 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/sync01.i[42004,42017] [2021-07-10 13:42:40,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 13:42:40,662 INFO L208 MainTranslator]: Completed translation [2021-07-10 13:42:40,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40 WrapperNode [2021-07-10 13:42:40,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 13:42:40,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 13:42:40,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 13:42:40,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 13:42:40,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 13:42:40,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 13:42:40,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 13:42:40,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 13:42:40,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 13:42:40,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 13:42:40,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 13:42:40,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 13:42:40,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (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 13:42:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 13:42:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 13:42:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-10 13:42:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 13:42:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 13:42:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 13:42:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 13:42:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 13:42:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-10 13:42:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 13:42:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 13:42:40,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 13:42:40,776 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 13:42:41,186 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 13:42:41,186 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-10 13:42:41,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:42:41 BoogieIcfgContainer [2021-07-10 13:42:41,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 13:42:41,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 13:42:41,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 13:42:41,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 13:42:41,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 01:42:40" (1/3) ... [2021-07-10 13:42:41,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7971af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:42:41, skipping insertion in model container [2021-07-10 13:42:41,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (2/3) ... [2021-07-10 13:42:41,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7971af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:42:41, skipping insertion in model container [2021-07-10 13:42:41,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:42:41" (3/3) ... [2021-07-10 13:42:41,194 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-07-10 13:42:41,200 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 13:42:41,200 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 13:42:41,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 13:42:41,201 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 13:42:41,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,231 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,231 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,233 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,233 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,233 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,234 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,234 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,234 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,234 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,234 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,234 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,234 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,235 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,235 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,235 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,235 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,235 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,236 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,236 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,236 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,236 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,236 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,236 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,237 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,237 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,237 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,238 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,238 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,238 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,238 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,239 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,239 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,239 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,243 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,244 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,244 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,249 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,249 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,249 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,249 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,249 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,249 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,249 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,283 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-10 13:42:41,315 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 13:42:41,347 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 13:42:41,347 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 13:42:41,347 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 13:42:41,347 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 13:42:41,347 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 13:42:41,347 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 13:42:41,347 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 13:42:41,348 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 13:42:41,510 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 13:42:41,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:41,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1794947244, now seen corresponding path program 1 times [2021-07-10 13:42:41,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:41,518 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097597753] [2021-07-10 13:42:41,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 13:42:41,707 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:42:41,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097597753] [2021-07-10 13:42:41,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097597753] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 13:42:41,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 13:42:41,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 13:42:41,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998704715] [2021-07-10 13:42:41,716 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 13:42:41,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:42:41,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 13:42:41,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 13:42:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:41,731 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:42:41,733 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 13:42:41,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:41,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 13:42:41,800 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 13:42:41,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:41,800 INFO L82 PathProgramCache]: Analyzing trace with hash 2099138162, now seen corresponding path program 2 times [2021-07-10 13:42:41,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:41,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226831210] [2021-07-10 13:42:41,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 13:42:41,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:42:41,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226831210] [2021-07-10 13:42:41,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226831210] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:42:41,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31998059] [2021-07-10 13:42:41,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:42:42,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 13:42:42,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:42:42,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-10 13:42:42,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:42:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 13:42:42,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31998059] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 13:42:42,268 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 13:42:42,268 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-10 13:42:42,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803843513] [2021-07-10 13:42:42,269 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 13:42:42,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:42:42,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 13:42:42,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-10 13:42:42,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:42,270 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:42:42,270 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 13:42:42,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:42,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:42,522 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:42:42,523 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 13:42:42,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:42,523 INFO L82 PathProgramCache]: Analyzing trace with hash 285632790, now seen corresponding path program 3 times [2021-07-10 13:42:42,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:42,524 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564488885] [2021-07-10 13:42:42,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 13:42:42,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:42:42,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564488885] [2021-07-10 13:42:42,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564488885] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:42:42,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253181380] [2021-07-10 13:42:42,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:42:42,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-10 13:42:42,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:42:42,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 13:42:43,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:42:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 13:42:43,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253181380] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:42:43,243 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:42:43,243 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2021-07-10 13:42:43,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914414467] [2021-07-10 13:42:43,244 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 13:42:43,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:42:43,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 13:42:43,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2021-07-10 13:42:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:43,247 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:42:43,247 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 8.3125) internal successors, (133), 16 states have internal predecessors, (133), 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 13:42:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:44,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:42:44,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:42:44,433 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 13:42:44,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 01:42:44 BasicIcfg [2021-07-10 13:42:44,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 13:42:44,434 INFO L168 Benchmark]: Toolchain (without parser) took 4211.13 ms. Allocated memory was 203.4 MB in the beginning and 244.3 MB in the end (delta: 40.9 MB). Free memory was 166.5 MB in the beginning and 165.9 MB in the end (delta: 614.5 kB). Peak memory consumption was 42.2 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:44,434 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 203.4 MB. Free memory is still 184.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 13:42:44,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.52 ms. Allocated memory is still 203.4 MB. Free memory was 166.2 MB in the beginning and 168.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:44,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.61 ms. Allocated memory is still 203.4 MB. Free memory was 168.4 MB in the beginning and 165.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:44,435 INFO L168 Benchmark]: Boogie Preprocessor took 16.88 ms. Allocated memory is still 203.4 MB. Free memory was 165.9 MB in the beginning and 164.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:44,435 INFO L168 Benchmark]: RCFGBuilder took 462.67 ms. Allocated memory is still 203.4 MB. Free memory was 164.5 MB in the beginning and 137.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:44,435 INFO L168 Benchmark]: TraceAbstraction took 3244.57 ms. Allocated memory was 203.4 MB in the beginning and 244.3 MB in the end (delta: 40.9 MB). Free memory was 136.6 MB in the beginning and 165.9 MB in the end (delta: -29.3 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:44,435 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 203.4 MB. Free memory is still 184.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 435.52 ms. Allocated memory is still 203.4 MB. Free memory was 166.2 MB in the beginning and 168.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.61 ms. Allocated memory is still 203.4 MB. Free memory was 168.4 MB in the beginning and 165.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.88 ms. Allocated memory is still 203.4 MB. Free memory was 165.9 MB in the beginning and 164.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 462.67 ms. Allocated memory is still 203.4 MB. Free memory was 164.5 MB in the beginning and 137.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3244.57 ms. Allocated memory was 203.4 MB in the beginning and 244.3 MB in the end (delta: 40.9 MB). Free memory was 136.6 MB in the beginning and 165.9 MB in the end (delta: -29.3 MB). Peak memory consumption was 12.0 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: 5082, positive: 4794, positive conditional: 1028, positive unconditional: 3766, negative: 288, negative conditional: 242, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4860, positive: 4794, positive conditional: 1028, positive unconditional: 3766, negative: 66, negative conditional: 20, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4860, positive: 4792, positive conditional: 0, positive unconditional: 4792, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1374, positive: 1351, positive conditional: 0, positive unconditional: 1351, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1374, positive: 1344, positive conditional: 0, positive unconditional: 1344, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 52, positive conditional: 1, positive unconditional: 51, negative: 51, negative conditional: 10, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4860, positive: 3441, positive conditional: 0, positive unconditional: 3441, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 1374, unknown conditional: 0, unknown unconditional: 1374] , Statistics on independence cache: Total cache size (in pairs): 1379, Positive cache size: 1352, Positive conditional cache size: 1, Positive unconditional cache size: 1351, Negative cache size: 27, Negative conditional cache size: 4, Negative unconditional cache size: 23, SemanticConditionEliminator.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 52, positive conditional: 1, positive unconditional: 51, negative: 51, negative conditional: 10, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 102, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 96, negative conditional: 13, negative unconditional: 83, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1379, Positive cache size: 1352, Positive conditional cache size: 1, Positive unconditional cache size: 1351, Negative cache size: 27, Negative conditional cache size: 4, Negative unconditional cache size: 23, Eliminated conditions: 28, SemanticConditionEliminator.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 52, positive conditional: 1, positive unconditional: 51, negative: 51, negative conditional: 10, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 102, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 96, negative conditional: 13, negative unconditional: 83, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1379, Positive cache size: 1352, Positive conditional cache size: 1, Positive unconditional cache size: 1351, Negative cache size: 27, Negative conditional cache size: 4, Negative unconditional cache size: 23, Eliminated conditions: 28, SemanticConditionEliminator.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 52, positive conditional: 1, positive unconditional: 51, negative: 51, negative conditional: 10, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 102, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 96, negative conditional: 13, negative unconditional: 83, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1379, Positive cache size: 1352, Positive conditional cache size: 1, Positive unconditional cache size: 1351, Negative cache size: 27, Negative conditional cache size: 4, Negative unconditional cache size: 23, Eliminated conditions: 28 ], Maximal queried relation: 3, Independence queries for same thread: 222 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 164, Number of persistent set computation: 395, Number of trivial persistent sets: 395, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5082, positive: 4794, positive conditional: 1028, positive unconditional: 3766, negative: 288, negative conditional: 242, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4860, positive: 4794, positive conditional: 1028, positive unconditional: 3766, negative: 66, negative conditional: 20, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4860, positive: 4792, positive conditional: 0, positive unconditional: 4792, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1374, positive: 1351, positive conditional: 0, positive unconditional: 1351, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1374, positive: 1344, positive conditional: 0, positive unconditional: 1344, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 52, positive conditional: 1, positive unconditional: 51, negative: 51, negative conditional: 10, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4860, positive: 3441, positive conditional: 0, positive unconditional: 3441, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 1374, unknown conditional: 0, unknown unconditional: 1374] , Statistics on independence cache: Total cache size (in pairs): 1379, Positive cache size: 1352, Positive conditional cache size: 1, Positive unconditional cache size: 1351, Negative cache size: 27, Negative conditional cache size: 4, Negative unconditional cache size: 23, SemanticConditionEliminator.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 52, positive conditional: 1, positive unconditional: 51, negative: 51, negative conditional: 10, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 102, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 96, negative conditional: 13, negative unconditional: 83, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1379, Positive cache size: 1352, Positive conditional cache size: 1, Positive unconditional cache size: 1351, Negative cache size: 27, Negative conditional cache size: 4, Negative unconditional cache size: 23, Eliminated conditions: 28, SemanticConditionEliminator.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 52, positive conditional: 1, positive unconditional: 51, negative: 51, negative conditional: 10, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 102, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 96, negative conditional: 13, negative unconditional: 83, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1379, Positive cache size: 1352, Positive conditional cache size: 1, Positive unconditional cache size: 1351, Negative cache size: 27, Negative conditional cache size: 4, Negative unconditional cache size: 23, Eliminated conditions: 28, SemanticConditionEliminator.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 100, negative conditional: 17, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 52, positive conditional: 1, positive unconditional: 51, negative: 51, negative conditional: 10, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 102, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 96, negative conditional: 13, negative unconditional: 83, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1379, Positive cache size: 1352, Positive conditional cache size: 1, Positive unconditional cache size: 1351, Negative cache size: 27, Negative conditional cache size: 4, Negative unconditional cache size: 23, Eliminated conditions: 28 ], Maximal queried relation: 3, Independence queries for same thread: 222 - PositiveResult [Line: 966]: 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, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3106.1ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.6ms, PartialOrderReductionTime: 1204.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 37, 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: 47.4ms SsaConstructionTime, 150.6ms SatisfiabilityAnalysisTime, 1014.0ms InterpolantComputationTime, 442 NumberOfCodeBlocks, 431 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 2973 SizeOfPredicates, 5 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 46/57 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...