/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 13:00:30,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 13:00:30,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 13:00:30,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 13:00:30,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 13:00:30,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 13:00:30,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 13:00:30,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 13:00:30,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 13:00:30,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 13:00:30,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 13:00:30,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 13:00:30,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 13:00:30,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 13:00:30,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 13:00:30,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 13:00:30,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 13:00:30,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 13:00:30,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 13:00:30,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 13:00:30,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 13:00:30,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 13:00:30,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 13:00:30,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 13:00:30,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 13:00:30,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 13:00:30,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 13:00:30,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 13:00:30,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 13:00:30,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 13:00:30,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 13:00:30,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 13:00:30,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 13:00:30,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 13:00:30,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 13:00:30,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 13:00:30,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 13:00:30,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 13:00:30,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 13:00:30,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 13:00:30,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 13:00:30,107 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-DelaySleep-NoLbe-Random42.epf [2021-06-06 13:00:30,138 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 13:00:30,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 13:00:30,139 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 13:00:30,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 13:00:30,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 13:00:30,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 13:00:30,141 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 13:00:30,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 13:00:30,141 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 13:00:30,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 13:00:30,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 13:00:30,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 13:00:30,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 13:00:30,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 13:00:30,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 13:00:30,142 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 13:00:30,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 13:00:30,142 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 13:00:30,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 13:00:30,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 13:00:30,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 13:00:30,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 13:00:30,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 13:00:30,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 13:00:30,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 13:00:30,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 13:00:30,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 13:00:30,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 13:00:30,143 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 13:00:30,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 13:00:30,144 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 13:00:30,144 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 13:00:30,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 13:00:30,144 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 13:00:30,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 13:00:30,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 13:00:30,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 13:00:30,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 13:00:30,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 13:00:30,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 13:00:30,403 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 13:00:30,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2021-06-06 13:00:30,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257314de3/060e94c7544248ada39ec3412fa590ec/FLAG696642c6f [2021-06-06 13:00:30,884 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 13:00:30,885 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2021-06-06 13:00:30,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257314de3/060e94c7544248ada39ec3412fa590ec/FLAG696642c6f [2021-06-06 13:00:30,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257314de3/060e94c7544248ada39ec3412fa590ec [2021-06-06 13:00:30,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 13:00:30,912 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 13:00:30,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 13:00:30,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 13:00:30,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 13:00:30,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:00:30" (1/1) ... [2021-06-06 13:00:30,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d081c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:30, skipping insertion in model container [2021-06-06 13:00:30,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:00:30" (1/1) ... [2021-06-06 13:00:30,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 13:00:30,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 13:00:31,222 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] [2021-06-06 13:00:31,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 13:00:31,237 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 13:00:31,268 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] [2021-06-06 13:00:31,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 13:00:31,348 INFO L208 MainTranslator]: Completed translation [2021-06-06 13:00:31,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31 WrapperNode [2021-06-06 13:00:31,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 13:00:31,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 13:00:31,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 13:00:31,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 13:00:31,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31" (1/1) ... [2021-06-06 13:00:31,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31" (1/1) ... [2021-06-06 13:00:31,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 13:00:31,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 13:00:31,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 13:00:31,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 13:00:31,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31" (1/1) ... [2021-06-06 13:00:31,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31" (1/1) ... [2021-06-06 13:00:31,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31" (1/1) ... [2021-06-06 13:00:31,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31" (1/1) ... [2021-06-06 13:00:31,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31" (1/1) ... [2021-06-06 13:00:31,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31" (1/1) ... [2021-06-06 13:00:31,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31" (1/1) ... [2021-06-06 13:00:31,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 13:00:31,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 13:00:31,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 13:00:31,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 13:00:31,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31" (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 [2021-06-06 13:00:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 13:00:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 13:00:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-06 13:00:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 13:00:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 13:00:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 13:00:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 13:00:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 13:00:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-06 13:00:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 13:00:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 13:00:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 13:00:31,518 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 13:00:31,944 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 13:00:31,945 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-06 13:00:31,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:00:31 BoogieIcfgContainer [2021-06-06 13:00:31,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 13:00:31,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 13:00:31,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 13:00:31,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 13:00:31,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 01:00:30" (1/3) ... [2021-06-06 13:00:31,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0d0d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:00:31, skipping insertion in model container [2021-06-06 13:00:31,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:31" (2/3) ... [2021-06-06 13:00:31,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0d0d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:00:31, skipping insertion in model container [2021-06-06 13:00:31,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:00:31" (3/3) ... [2021-06-06 13:00:31,955 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-06-06 13:00:31,962 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 13:00:31,962 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 13:00:31,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 13:00:31,963 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 13:00:31,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,997 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,998 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,998 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,998 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:31,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,000 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,000 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,000 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,000 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,002 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,002 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,002 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,003 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,003 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,003 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,003 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,003 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,003 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,005 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,005 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,005 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,005 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,005 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,005 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,005 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,008 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,008 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,008 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,008 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,013 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,013 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,013 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:32,033 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-06 13:00:32,049 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 [2021-06-06 13:00:32,079 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 13:00:32,080 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 13:00:32,080 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 13:00:32,080 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 13:00:32,080 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 13:00:32,080 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 13:00:32,080 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 13:00:32,080 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 13:00:32,151 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:32,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:32,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1893784422, now seen corresponding path program 1 times [2021-06-06 13:00:32,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:32,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382442980] [2021-06-06 13:00:32,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 13:00:32,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:32,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382442980] [2021-06-06 13:00:32,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382442980] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:00:32,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:00:32,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 13:00:32,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389784838] [2021-06-06 13:00:32,348 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-06 13:00:32,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:32,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-06 13:00:32,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-06 13:00:32,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:32,359 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:32,361 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 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) [2021-06-06 13:00:32,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:32,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 13:00:32,372 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:32,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:32,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1629723514, now seen corresponding path program 1 times [2021-06-06 13:00:32,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:32,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569038851] [2021-06-06 13:00:32,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 13:00:32,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:32,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569038851] [2021-06-06 13:00:32,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569038851] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:00:32,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:00:32,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 13:00:32,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829166175] [2021-06-06 13:00:32,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 13:00:32,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:32,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 13:00:32,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 13:00:32,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:32,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:32,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-06-06 13:00:32,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:32,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:32,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:32,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 13:00:32,597 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:32,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:32,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1831080002, now seen corresponding path program 1 times [2021-06-06 13:00:32,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:32,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327163770] [2021-06-06 13:00:32,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:32,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:32,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:32,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327163770] [2021-06-06 13:00:32,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327163770] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:00:32,684 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:00:32,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 13:00:32,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035611668] [2021-06-06 13:00:32,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 13:00:32,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:32,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 13:00:32,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 13:00:32,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:32,685 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:32,685 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-06-06 13:00:32,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:32,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:32,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:32,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:32,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:32,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:32,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 13:00:32,757 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:32,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:32,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1980245058, now seen corresponding path program 2 times [2021-06-06 13:00:32,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:32,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771382146] [2021-06-06 13:00:32,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 13:00:33,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:33,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771382146] [2021-06-06 13:00:33,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771382146] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:00:33,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:00:33,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-06 13:00:33,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163908224] [2021-06-06 13:00:33,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 13:00:33,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:33,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 13:00:33,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-06-06 13:00:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:33,128 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:33,128 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 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) [2021-06-06 13:00:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:33,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:33,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:33,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:33,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 13:00:33,250 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 13:00:33,251 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:33,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:33,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1019035064, now seen corresponding path program 1 times [2021-06-06 13:00:33,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:33,251 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548669156] [2021-06-06 13:00:33,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:33,351 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:33,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548669156] [2021-06-06 13:00:33,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548669156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:33,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267411432] [2021-06-06 13:00:33,351 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 [2021-06-06 13:00:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:33,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 13:00:33,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:00:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:33,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267411432] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:00:33,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 13:00:33,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 9 [2021-06-06 13:00:33,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384310849] [2021-06-06 13:00:33,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 13:00:33,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:33,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 13:00:33,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-06 13:00:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:33,646 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:33,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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) [2021-06-06 13:00:33,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:33,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:33,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:33,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 13:00:33,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:33,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:33,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:33,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:00:33,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 13:00:33,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:34,041 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:34,046 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 13:00:34,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 01:00:34 BasicIcfg [2021-06-06 13:00:34,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 13:00:34,048 INFO L168 Benchmark]: Toolchain (without parser) took 3136.72 ms. Allocated memory was 360.7 MB in the beginning and 453.0 MB in the end (delta: 92.3 MB). Free memory was 322.8 MB in the beginning and 424.8 MB in the end (delta: -101.9 MB). Peak memory consumption was 148.4 MB. Max. memory is 16.0 GB. [2021-06-06 13:00:34,048 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 360.7 MB. Free memory is still 341.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 13:00:34,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.83 ms. Allocated memory is still 360.7 MB. Free memory was 322.6 MB in the beginning and 299.5 MB in the end (delta: 23.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.0 GB. [2021-06-06 13:00:34,049 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.87 ms. Allocated memory is still 360.7 MB. Free memory was 299.5 MB in the beginning and 297.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 13:00:34,049 INFO L168 Benchmark]: Boogie Preprocessor took 26.71 ms. Allocated memory is still 360.7 MB. Free memory was 297.4 MB in the beginning and 296.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 13:00:34,049 INFO L168 Benchmark]: RCFGBuilder took 513.86 ms. Allocated memory is still 360.7 MB. Free memory was 296.2 MB in the beginning and 267.8 MB in the end (delta: 28.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-06 13:00:34,049 INFO L168 Benchmark]: TraceAbstraction took 2098.17 ms. Allocated memory was 360.7 MB in the beginning and 453.0 MB in the end (delta: 92.3 MB). Free memory was 266.8 MB in the beginning and 424.8 MB in the end (delta: -157.9 MB). Peak memory consumption was 92.6 MB. Max. memory is 16.0 GB. [2021-06-06 13:00:34,049 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 360.7 MB. Free memory is still 341.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 434.83 ms. Allocated memory is still 360.7 MB. Free memory was 322.6 MB in the beginning and 299.5 MB in the end (delta: 23.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.87 ms. Allocated memory is still 360.7 MB. Free memory was 299.5 MB in the beginning and 297.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.71 ms. Allocated memory is still 360.7 MB. Free memory was 297.4 MB in the beginning and 296.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 513.86 ms. Allocated memory is still 360.7 MB. Free memory was 296.2 MB in the beginning and 267.8 MB in the end (delta: 28.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2098.17 ms. Allocated memory was 360.7 MB in the beginning and 453.0 MB in the end (delta: 92.3 MB). Free memory was 266.8 MB in the beginning and 424.8 MB in the end (delta: -157.9 MB). Peak memory consumption was 92.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1475, positive: 1194, positive conditional: 1194, positive unconditional: 0, negative: 281, negative conditional: 281, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1227, positive: 1194, positive conditional: 1194, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1227, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 369, positive: 362, positive conditional: 0, positive unconditional: 362, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 369, positive: 358, positive conditional: 0, positive unconditional: 358, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 11, negative conditional: 4, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 35, positive conditional: 1, positive unconditional: 34, negative: 27, negative conditional: 11, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1227, positive: 831, positive conditional: 0, positive unconditional: 831, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 369, unknown conditional: 0, unknown unconditional: 369] , Statistics on independence cache: Total cache size (in pairs): 374, Positive cache size: 363, Positive conditional cache size: 1, Positive unconditional cache size: 362, Negative cache size: 11, Negative conditional cache size: 4, Negative unconditional cache size: 7, SemanticConditionEliminator.Independence Queries: [ total: 118, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 117, negative conditional: 23, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 117, negative conditional: 23, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 11, negative conditional: 4, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 35, positive conditional: 1, positive unconditional: 34, negative: 27, negative conditional: 11, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 113, negative conditional: 19, negative unconditional: 94, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 374, Positive cache size: 363, Positive conditional cache size: 1, Positive unconditional cache size: 362, Negative cache size: 11, Negative conditional cache size: 4, Negative unconditional cache size: 7, Eliminated conditions: 94, SemanticConditionEliminator.Independence Queries: [ total: 118, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 117, negative conditional: 23, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 117, negative conditional: 23, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 11, negative conditional: 4, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 35, positive conditional: 1, positive unconditional: 34, negative: 27, negative conditional: 11, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 113, negative conditional: 19, negative unconditional: 94, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 374, Positive cache size: 363, Positive conditional cache size: 1, Positive unconditional cache size: 362, Negative cache size: 11, Negative conditional cache size: 4, Negative unconditional cache size: 7, Eliminated conditions: 94, SemanticConditionEliminator.Independence Queries: [ total: 118, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 117, negative conditional: 23, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 117, negative conditional: 23, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 11, negative conditional: 4, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 35, positive conditional: 1, positive unconditional: 34, negative: 27, negative conditional: 11, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 113, negative conditional: 19, negative unconditional: 94, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 374, Positive cache size: 363, Positive conditional cache size: 1, Positive unconditional cache size: 362, Negative cache size: 11, Negative conditional cache size: 4, Negative unconditional cache size: 7, Eliminated conditions: 94, SemanticConditionEliminator.Independence Queries: [ total: 118, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 117, negative conditional: 23, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 117, negative conditional: 23, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 11, negative conditional: 4, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 35, positive conditional: 1, positive unconditional: 34, negative: 27, negative conditional: 11, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 113, negative conditional: 19, negative unconditional: 94, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 374, Positive cache size: 363, Positive conditional cache size: 1, Positive unconditional cache size: 362, Negative cache size: 11, Negative conditional cache size: 4, Negative unconditional cache size: 7, Eliminated conditions: 94, SemanticConditionEliminator.Independence Queries: [ total: 118, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 117, negative conditional: 23, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 117, negative conditional: 23, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 11, negative conditional: 4, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 35, positive conditional: 1, positive unconditional: 34, negative: 27, negative conditional: 11, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 113, negative conditional: 19, negative unconditional: 94, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 374, Positive cache size: 363, Positive conditional cache size: 1, Positive unconditional cache size: 362, Negative cache size: 11, Negative conditional cache size: 4, Negative unconditional cache size: 7, Eliminated conditions: 94 ], Maximal queried relation: 5, Independence queries for same thread: 248 - 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: 1984.3ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.8ms, PartialOrderReductionTime: 507.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 29, 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: 32.0ms SsaConstructionTime, 230.7ms SatisfiabilityAnalysisTime, 793.0ms InterpolantComputationTime, 500 NumberOfCodeBlocks, 500 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 494 ConstructedInterpolants, 0 QuantifiedInterpolants, 1408 SizeOfPredicates, 4 NumberOfNonLiveVariables, 207 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 15/16 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...