/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-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 11:18:37,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 11:18:37,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 11:18:37,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 11:18:37,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 11:18:37,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 11:18:37,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 11:18:37,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 11:18:37,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 11:18:37,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 11:18:37,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 11:18:37,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 11:18:37,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 11:18:37,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 11:18:37,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 11:18:37,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 11:18:37,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 11:18:37,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 11:18:37,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 11:18:37,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 11:18:37,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 11:18:37,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 11:18:37,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 11:18:37,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 11:18:37,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 11:18:37,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 11:18:37,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 11:18:37,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 11:18:37,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 11:18:37,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 11:18:37,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 11:18:37,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 11:18:37,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 11:18:37,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 11:18:37,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 11:18:37,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 11:18:37,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 11:18:37,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 11:18:37,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 11:18:37,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 11:18:37,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 11:18:37,277 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-Sleep-NoLbe-New_States.epf [2021-03-12 11:18:37,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 11:18:37,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 11:18:37,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 11:18:37,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 11:18:37,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 11:18:37,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 11:18:37,316 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 11:18:37,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 11:18:37,317 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 11:18:37,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 11:18:37,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 11:18:37,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 11:18:37,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 11:18:37,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 11:18:37,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 11:18:37,318 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 11:18:37,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 11:18:37,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 11:18:37,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 11:18:37,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 11:18:37,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 11:18:37,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 11:18:37,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 11:18:37,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 11:18:37,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 11:18:37,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 11:18:37,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 11:18:37,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 11:18:37,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 11:18:37,320 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 11:18:37,320 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 11:18:37,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 11:18:37,321 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 11:18:37,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 11:18:38,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 11:18:38,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 11:18:38,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 11:18:38,196 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 11:18:38,196 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 11:18:38,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2021-03-12 11:18:38,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/559b871ad/670461d3961740f7ad4943be4e9f3942/FLAGbdf692b71 [2021-03-12 11:18:38,756 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 11:18:38,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2021-03-12 11:18:38,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/559b871ad/670461d3961740f7ad4943be4e9f3942/FLAGbdf692b71 [2021-03-12 11:18:39,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/559b871ad/670461d3961740f7ad4943be4e9f3942 [2021-03-12 11:18:39,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 11:18:39,471 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 11:18:39,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 11:18:39,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 11:18:39,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 11:18:39,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 11:18:39" (1/1) ... [2021-03-12 11:18:39,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49af048a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:39, skipping insertion in model container [2021-03-12 11:18:39,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 11:18:39" (1/1) ... [2021-03-12 11:18:39,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 11:18:39,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 11:18:39,873 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i[31042,31055] [2021-03-12 11:18:39,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 11:18:39,888 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 11:18:39,922 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i[31042,31055] [2021-03-12 11:18:39,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 11:18:39,999 INFO L208 MainTranslator]: Completed translation [2021-03-12 11:18:40,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40 WrapperNode [2021-03-12 11:18:40,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 11:18:40,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 11:18:40,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 11:18:40,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 11:18:40,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40" (1/1) ... [2021-03-12 11:18:40,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40" (1/1) ... [2021-03-12 11:18:40,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 11:18:40,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 11:18:40,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 11:18:40,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 11:18:40,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40" (1/1) ... [2021-03-12 11:18:40,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40" (1/1) ... [2021-03-12 11:18:40,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40" (1/1) ... [2021-03-12 11:18:40,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40" (1/1) ... [2021-03-12 11:18:40,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40" (1/1) ... [2021-03-12 11:18:40,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40" (1/1) ... [2021-03-12 11:18:40,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40" (1/1) ... [2021-03-12 11:18:40,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 11:18:40,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 11:18:40,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 11:18:40,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 11:18:40,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 11:18:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-12 11:18:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 11:18:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 11:18:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 11:18:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 11:18:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 11:18:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 11:18:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 11:18:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-12 11:18:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 11:18:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 11:18:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 11:18:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 11:18:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 11:18:40,174 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 11:18:40,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 11:18:40,558 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-12 11:18:40,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 11:18:40 BoogieIcfgContainer [2021-03-12 11:18:40,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 11:18:40,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 11:18:40,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 11:18:40,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 11:18:40,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 11:18:39" (1/3) ... [2021-03-12 11:18:40,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116d6b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 11:18:40, skipping insertion in model container [2021-03-12 11:18:40,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 11:18:40" (2/3) ... [2021-03-12 11:18:40,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116d6b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 11:18:40, skipping insertion in model container [2021-03-12 11:18:40,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 11:18:40" (3/3) ... [2021-03-12 11:18:40,565 INFO L111 eAbstractionObserver]: Analyzing ICFG lazy01.i [2021-03-12 11:18:40,572 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 11:18:40,573 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 11:18:40,576 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 11:18:40,576 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 11:18:40,608 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,609 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,609 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,609 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,609 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,609 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,610 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,610 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,610 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,610 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,610 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,610 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,611 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,611 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,612 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,612 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,612 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,612 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,613 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,613 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,613 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,614 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,614 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,615 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,615 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,615 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,615 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,615 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,615 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,616 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,616 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,616 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,616 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,616 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,617 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,617 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,617 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,617 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,618 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,618 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,618 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,618 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,619 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,619 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,619 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,619 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,619 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,619 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,620 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,620 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,623 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,624 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,624 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,624 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,626 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,626 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,627 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,627 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,632 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,633 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,633 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,633 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,633 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,636 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,636 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,636 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,636 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,636 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 11:18:40,650 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-03-12 11:18:40,665 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 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) [2021-03-12 11:18:40,717 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 11:18:40,717 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 11:18:40,717 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 11:18:40,717 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 11:18:40,717 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 11:18:40,717 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 11:18:40,718 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 11:18:40,718 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 11:18:40,782 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 11:18:40,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 11:18:40,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1309617537, now seen corresponding path program 1 times [2021-03-12 11:18:40,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 11:18:40,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001784073] [2021-03-12 11:18:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 11:18:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 11:18:40,974 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 11:18:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 11:18:41,024 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 11:18:41,047 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-12 11:18:41,048 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-12 11:18:41,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 11:18:41,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 11:18:41 BasicIcfg [2021-03-12 11:18:41,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 11:18:41,090 INFO L168 Benchmark]: Toolchain (without parser) took 1814.10 ms. Allocated memory was 255.9 MB in the beginning and 331.4 MB in the end (delta: 75.5 MB). Free memory was 234.8 MB in the beginning and 295.3 MB in the end (delta: -60.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.0 GB. [2021-03-12 11:18:41,090 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 11:18:41,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.47 ms. Allocated memory was 255.9 MB in the beginning and 331.4 MB in the end (delta: 75.5 MB). Free memory was 233.9 MB in the beginning and 295.3 MB in the end (delta: -61.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-12 11:18:41,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.67 ms. Allocated memory is still 331.4 MB. Free memory was 295.3 MB in the beginning and 293.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 11:18:41,091 INFO L168 Benchmark]: Boogie Preprocessor took 30.71 ms. Allocated memory is still 331.4 MB. Free memory was 293.2 MB in the beginning and 292.2 MB in the end (delta: 978.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 11:18:41,092 INFO L168 Benchmark]: RCFGBuilder took 468.97 ms. Allocated memory is still 331.4 MB. Free memory was 292.2 MB in the beginning and 268.9 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-12 11:18:41,092 INFO L168 Benchmark]: TraceAbstraction took 527.29 ms. Allocated memory is still 331.4 MB. Free memory was 268.5 MB in the beginning and 295.3 MB in the end (delta: -26.8 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 11:18:41,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 528.47 ms. Allocated memory was 255.9 MB in the beginning and 331.4 MB in the end (delta: 75.5 MB). Free memory was 233.9 MB in the beginning and 295.3 MB in the end (delta: -61.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.67 ms. Allocated memory is still 331.4 MB. Free memory was 295.3 MB in the beginning and 293.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.71 ms. Allocated memory is still 331.4 MB. Free memory was 293.2 MB in the beginning and 292.2 MB in the end (delta: 978.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 468.97 ms. Allocated memory is still 331.4 MB. Free memory was 292.2 MB in the beginning and 268.9 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 527.29 ms. Allocated memory is still 331.4 MB. Free memory was 268.5 MB in the beginning and 295.3 MB in the end (delta: -26.8 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 1 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L702] 0 pthread_mutex_t mutex; VAL [mutex={7:0}] [L703] 0 int data = 0; VAL [data=0, mutex={7:0}] [L731] 0 pthread_t t1, t2, t3; VAL [data=0, mutex={7:0}] [L732] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data=0, mutex={7:0}] [L707] 1 data++ VAL [arg={0:0}, arg={0:0}, data=1, mutex={7:0}] [L709] 1 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={7:0}] [L733] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={7:0}] [L714] 2 data+=2 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L716] 2 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L734] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L721] COND TRUE 3 data >= 3 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L722] 3 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 366.5ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 50.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: 9.2ms SsaConstructionTime, 90.0ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...