/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-Random7777.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 15:11:09,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 15:11:09,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 15:11:09,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 15:11:09,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 15:11:09,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 15:11:09,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 15:11:09,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 15:11:09,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 15:11:09,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 15:11:09,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 15:11:09,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 15:11:09,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 15:11:09,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 15:11:09,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 15:11:09,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 15:11:09,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 15:11:09,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 15:11:09,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 15:11:09,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 15:11:09,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 15:11:09,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 15:11:09,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 15:11:09,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 15:11:09,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 15:11:09,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 15:11:09,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 15:11:09,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 15:11:09,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 15:11:09,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 15:11:09,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 15:11:09,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 15:11:09,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 15:11:09,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 15:11:09,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 15:11:09,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 15:11:09,419 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-Random7777.epf [2021-07-10 15:11:09,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 15:11:09,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 15:11:09,448 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 15:11:09,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 15:11:09,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 15:11:09,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 15:11:09,450 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 15:11:09,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 15:11:09,450 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 15:11:09,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 15:11:09,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 15:11:09,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 15:11:09,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 15:11:09,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 15:11:09,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 15:11:09,452 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 15:11:09,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 15:11:09,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 15:11:09,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 15:11:09,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 15:11:09,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 15:11:09,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 15:11:09,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 15:11:09,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:11:09,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 15:11:09,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 15:11:09,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 15:11:09,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 15:11:09,462 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 15:11:09,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 15:11:09,462 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 15:11:09,462 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 15:11:09,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 15:11:09,462 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 15:11:09,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 15:11:09,463 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 15:11:09,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 15:11:09,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 15:11:09,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 15:11:09,772 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 15:11:09,772 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 15:11:09,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2021-07-10 15:11:09,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ff16f29/545eed3b05a84600befb4e2ad67d3c9b/FLAG690d45901 [2021-07-10 15:11:10,231 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 15:11:10,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2021-07-10 15:11:10,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ff16f29/545eed3b05a84600befb4e2ad67d3c9b/FLAG690d45901 [2021-07-10 15:11:10,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ff16f29/545eed3b05a84600befb4e2ad67d3c9b [2021-07-10 15:11:10,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 15:11:10,253 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 15:11:10,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 15:11:10,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 15:11:10,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 15:11:10,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:11:10" (1/1) ... [2021-07-10 15:11:10,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dbd49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10, skipping insertion in model container [2021-07-10 15:11:10,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:11:10" (1/1) ... [2021-07-10 15:11:10,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 15:11:10,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 15:11:10,678 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 15:11:10,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 15:11:10,691 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 15:11:10,722 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 15:11:10,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 15:11:10,767 INFO L208 MainTranslator]: Completed translation [2021-07-10 15:11:10,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10 WrapperNode [2021-07-10 15:11:10,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 15:11:10,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 15:11:10,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 15:11:10,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 15:11:10,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10" (1/1) ... [2021-07-10 15:11:10,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10" (1/1) ... [2021-07-10 15:11:10,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 15:11:10,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 15:11:10,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 15:11:10,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 15:11:10,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10" (1/1) ... [2021-07-10 15:11:10,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10" (1/1) ... [2021-07-10 15:11:10,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10" (1/1) ... [2021-07-10 15:11:10,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10" (1/1) ... [2021-07-10 15:11:10,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10" (1/1) ... [2021-07-10 15:11:10,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10" (1/1) ... [2021-07-10 15:11:10,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10" (1/1) ... [2021-07-10 15:11:10,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 15:11:10,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 15:11:10,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 15:11:10,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 15:11:10,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10" (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 15:11:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 15:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 15:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-10 15:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 15:11:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 15:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 15:11:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 15:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 15:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-10 15:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 15:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 15:11:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 15:11:10,873 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 15:11:11,216 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 15:11:11,216 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-10 15:11:11,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:11:11 BoogieIcfgContainer [2021-07-10 15:11:11,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 15:11:11,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 15:11:11,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 15:11:11,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 15:11:11,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 03:11:10" (1/3) ... [2021-07-10 15:11:11,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5930167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:11:11, skipping insertion in model container [2021-07-10 15:11:11,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:10" (2/3) ... [2021-07-10 15:11:11,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5930167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:11:11, skipping insertion in model container [2021-07-10 15:11:11,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:11:11" (3/3) ... [2021-07-10 15:11:11,224 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-07-10 15:11:11,228 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 15:11:11,228 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 15:11:11,228 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 15:11:11,228 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 15:11:11,254 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,255 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,255 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,256 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,256 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,256 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,256 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,256 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,257 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,257 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,257 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,257 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,257 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,258 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,258 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,258 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,258 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,258 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,259 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,259 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,259 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,260 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,260 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,260 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,260 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,260 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,262 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,262 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,262 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,263 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,263 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,264 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,269 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,269 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,274 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,274 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:11,286 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-10 15:11:11,334 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 15:11:11,372 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 15:11:11,373 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 15:11:11,373 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 15:11:11,373 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 15:11:11,374 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 15:11:11,374 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 15:11:11,374 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 15:11:11,374 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 15:11:11,565 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 15:11:11,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:11:11,569 INFO L82 PathProgramCache]: Analyzing trace with hash 2011059444, now seen corresponding path program 1 times [2021-07-10 15:11:11,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:11:11,575 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357619468] [2021-07-10 15:11:11,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:11:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:11:11,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 15:11:11,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:11:11,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357619468] [2021-07-10 15:11:11,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357619468] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:11:11,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913919534] [2021-07-10 15:11:11,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 15:11:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:11:11,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-10 15:11:11,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:11:12,116 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-10 15:11:12,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913919534] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:11:12,117 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 15:11:12,117 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-10 15:11:12,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765267977] [2021-07-10 15:11:12,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 15:11:12,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:11:12,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 15:11:12,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-10 15:11:12,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:12,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:11:12,132 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 15:11:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:12,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-10 15:11:12,402 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 15:11:12,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:11:12,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1562121670, now seen corresponding path program 2 times [2021-07-10 15:11:12,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:11:12,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875500182] [2021-07-10 15:11:12,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:11:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:11:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 15:11:12,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:11:12,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875500182] [2021-07-10 15:11:12,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875500182] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:11:12,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:11:12,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 15:11:12,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577381027] [2021-07-10 15:11:12,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 15:11:12,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:11:12,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 15:11:12,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 15:11:12,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:12,472 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:11:12,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 15:11:12,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:12,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:12,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 15:11:12,532 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 15:11:12,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:11:12,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1030712892, now seen corresponding path program 3 times [2021-07-10 15:11:12,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:11:12,532 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103460641] [2021-07-10 15:11:12,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:11:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:11:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 15:11:12,778 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:11:12,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103460641] [2021-07-10 15:11:12,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103460641] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:11:12,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353801275] [2021-07-10 15:11:12,778 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 15:11:12,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-10 15:11:12,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:11:12,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 15:11:12,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:11:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-10 15:11:13,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353801275] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:11:13,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:11:13,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 14 [2021-07-10 15:11:13,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992687732] [2021-07-10 15:11:13,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 15:11:13,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:11:13,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 15:11:13,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-07-10 15:11:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:13,102 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:11:13,103 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 9.642857142857142) internal successors, (135), 14 states have internal predecessors, (135), 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 15:11:13,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:13,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:13,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:13,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:13,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:13,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 15:11:13,967 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:11:13,972 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 15:11:13,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 03:11:13 BasicIcfg [2021-07-10 15:11:13,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 15:11:13,974 INFO L168 Benchmark]: Toolchain (without parser) took 3721.00 ms. Allocated memory was 216.0 MB in the beginning and 298.8 MB in the end (delta: 82.8 MB). Free memory was 178.8 MB in the beginning and 203.3 MB in the end (delta: -24.5 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:13,974 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 216.0 MB. Free memory is still 197.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 15:11:13,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.11 ms. Allocated memory is still 216.0 MB. Free memory was 178.5 MB in the beginning and 180.9 MB in the end (delta: -2.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:13,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.25 ms. Allocated memory is still 216.0 MB. Free memory was 180.9 MB in the beginning and 178.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:13,974 INFO L168 Benchmark]: Boogie Preprocessor took 15.55 ms. Allocated memory is still 216.0 MB. Free memory was 178.8 MB in the beginning and 177.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:13,974 INFO L168 Benchmark]: RCFGBuilder took 393.03 ms. Allocated memory is still 216.0 MB. Free memory was 177.4 MB in the beginning and 149.9 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:13,974 INFO L168 Benchmark]: TraceAbstraction took 2753.92 ms. Allocated memory was 216.0 MB in the beginning and 298.8 MB in the end (delta: 82.8 MB). Free memory was 149.5 MB in the beginning and 203.3 MB in the end (delta: -53.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:13,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 216.0 MB. Free memory is still 197.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 514.11 ms. Allocated memory is still 216.0 MB. Free memory was 178.5 MB in the beginning and 180.9 MB in the end (delta: -2.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 40.25 ms. Allocated memory is still 216.0 MB. Free memory was 180.9 MB in the beginning and 178.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.55 ms. Allocated memory is still 216.0 MB. Free memory was 178.8 MB in the beginning and 177.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 393.03 ms. Allocated memory is still 216.0 MB. Free memory was 177.4 MB in the beginning and 149.9 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2753.92 ms. Allocated memory was 216.0 MB in the beginning and 298.8 MB in the end (delta: 82.8 MB). Free memory was 149.5 MB in the beginning and 203.3 MB in the end (delta: -53.8 MB). Peak memory consumption was 30.0 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: 5538, positive: 5190, positive conditional: 1147, positive unconditional: 4043, negative: 348, negative conditional: 304, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5249, positive: 5190, positive conditional: 1147, positive unconditional: 4043, negative: 59, negative conditional: 15, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5249, positive: 5186, positive conditional: 0, positive unconditional: 5186, 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: 1365, positive: 1343, positive conditional: 0, positive unconditional: 1343, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1365, positive: 1337, positive conditional: 0, positive unconditional: 1337, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 25, negative conditional: 3, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 70, positive conditional: 1, positive unconditional: 69, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5249, positive: 3843, positive conditional: 0, positive unconditional: 3843, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 1365, unknown conditional: 0, unknown unconditional: 1365] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1344, Positive conditional cache size: 1, Positive unconditional cache size: 1343, Negative cache size: 25, Negative conditional cache size: 3, Negative unconditional cache size: 22, SemanticConditionEliminator.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 25, negative conditional: 3, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 70, positive conditional: 1, positive unconditional: 69, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 126, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 119, negative conditional: 11, negative unconditional: 108, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1344, Positive conditional cache size: 1, Positive unconditional cache size: 1343, Negative cache size: 25, Negative conditional cache size: 3, Negative unconditional cache size: 22, Eliminated conditions: 33, SemanticConditionEliminator.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 25, negative conditional: 3, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 70, positive conditional: 1, positive unconditional: 69, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 126, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 119, negative conditional: 11, negative unconditional: 108, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1344, Positive conditional cache size: 1, Positive unconditional cache size: 1343, Negative cache size: 25, Negative conditional cache size: 3, Negative unconditional cache size: 22, Eliminated conditions: 33, SemanticConditionEliminator.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 25, negative conditional: 3, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 70, positive conditional: 1, positive unconditional: 69, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 126, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 119, negative conditional: 11, negative unconditional: 108, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1344, Positive conditional cache size: 1, Positive unconditional cache size: 1343, Negative cache size: 25, Negative conditional cache size: 3, Negative unconditional cache size: 22, Eliminated conditions: 33 ], Maximal queried relation: 3, Independence queries for same thread: 289 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 199, Number of persistent set computation: 410, Number of trivial persistent sets: 410, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5538, positive: 5190, positive conditional: 1147, positive unconditional: 4043, negative: 348, negative conditional: 304, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5249, positive: 5190, positive conditional: 1147, positive unconditional: 4043, negative: 59, negative conditional: 15, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5249, positive: 5186, positive conditional: 0, positive unconditional: 5186, 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: 1365, positive: 1343, positive conditional: 0, positive unconditional: 1343, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1365, positive: 1337, positive conditional: 0, positive unconditional: 1337, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 25, negative conditional: 3, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 70, positive conditional: 1, positive unconditional: 69, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5249, positive: 3843, positive conditional: 0, positive unconditional: 3843, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 1365, unknown conditional: 0, unknown unconditional: 1365] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1344, Positive conditional cache size: 1, Positive unconditional cache size: 1343, Negative cache size: 25, Negative conditional cache size: 3, Negative unconditional cache size: 22, SemanticConditionEliminator.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 25, negative conditional: 3, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 70, positive conditional: 1, positive unconditional: 69, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 126, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 119, negative conditional: 11, negative unconditional: 108, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1344, Positive conditional cache size: 1, Positive unconditional cache size: 1343, Negative cache size: 25, Negative conditional cache size: 3, Negative unconditional cache size: 22, Eliminated conditions: 33, SemanticConditionEliminator.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 25, negative conditional: 3, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 70, positive conditional: 1, positive unconditional: 69, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 126, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 119, negative conditional: 11, negative unconditional: 108, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1344, Positive conditional cache size: 1, Positive unconditional cache size: 1343, Negative cache size: 25, Negative conditional cache size: 3, Negative unconditional cache size: 22, Eliminated conditions: 33, SemanticConditionEliminator.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 122, negative conditional: 14, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 25, negative conditional: 3, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 70, positive conditional: 1, positive unconditional: 69, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 126, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 119, negative conditional: 11, negative unconditional: 108, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1344, Positive conditional cache size: 1, Positive unconditional cache size: 1343, Negative cache size: 25, Negative conditional cache size: 3, Negative unconditional cache size: 22, Eliminated conditions: 33 ], Maximal queried relation: 3, Independence queries for same thread: 289 - 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: 2620.7ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.8ms, PartialOrderReductionTime: 933.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, 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: 45.6ms SsaConstructionTime, 173.5ms SatisfiabilityAnalysisTime, 798.4ms InterpolantComputationTime, 466 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 461 ConstructedInterpolants, 0 QuantifiedInterpolants, 1905 SizeOfPredicates, 5 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 95/127 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...