/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 15:55:39,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 15:55:39,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 15:55:39,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 15:55:39,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 15:55:39,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 15:55:39,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 15:55:39,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 15:55:39,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 15:55:39,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 15:55:39,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 15:55:39,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 15:55:39,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 15:55:39,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 15:55:39,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 15:55:39,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 15:55:39,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 15:55:39,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 15:55:39,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 15:55:39,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 15:55:39,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 15:55:39,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 15:55:39,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 15:55:39,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 15:55:39,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 15:55:39,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 15:55:39,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 15:55:39,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 15:55:39,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 15:55:39,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 15:55:39,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 15:55:39,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 15:55:39,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 15:55:39,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 15:55:39,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 15:55:39,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 15:55:39,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 15:55:39,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 15:55:39,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 15:55:39,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 15:55:39,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 15:55:39,191 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-FA-NoLbe-Delay.epf [2021-06-16 15:55:39,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 15:55:39,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 15:55:39,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 15:55:39,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 15:55:39,229 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 15:55:39,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 15:55:39,229 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 15:55:39,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 15:55:39,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 15:55:39,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 15:55:39,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 15:55:39,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 15:55:39,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 15:55:39,239 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 15:55:39,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 15:55:39,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 15:55:39,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 15:55:39,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 15:55:39,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 15:55:39,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 15:55:39,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 15:55:39,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 15:55:39,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 15:55:39,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 15:55:39,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 15:55:39,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 15:55:39,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 15:55:39,243 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 15:55:39,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 15:55:39,244 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 15:55:39,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 15:55:39,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 15:55:39,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 15:55:39,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 15:55:39,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 15:55:39,568 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 15:55:39,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2021-06-16 15:55:39,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/827aaecf7/d90a52c219ce417b9b64ba07d0343e85/FLAGfb7861783 [2021-06-16 15:55:40,129 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 15:55:40,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2021-06-16 15:55:40,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/827aaecf7/d90a52c219ce417b9b64ba07d0343e85/FLAGfb7861783 [2021-06-16 15:55:40,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/827aaecf7/d90a52c219ce417b9b64ba07d0343e85 [2021-06-16 15:55:40,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 15:55:40,615 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 15:55:40,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 15:55:40,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 15:55:40,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 15:55:40,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 03:55:40" (1/1) ... [2021-06-16 15:55:40,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cea028a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:40, skipping insertion in model container [2021-06-16 15:55:40,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 03:55:40" (1/1) ... [2021-06-16 15:55:40,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 15:55:40,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 15:55:40,785 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-16 15:55:40,995 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-divine/condvar_spurious_wakeup.i[30416,30429] [2021-06-16 15:55:41,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 15:55:41,018 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 15:55:41,032 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-16 15:55:41,058 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-divine/condvar_spurious_wakeup.i[30416,30429] [2021-06-16 15:55:41,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 15:55:41,147 INFO L208 MainTranslator]: Completed translation [2021-06-16 15:55:41,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41 WrapperNode [2021-06-16 15:55:41,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 15:55:41,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 15:55:41,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 15:55:41,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 15:55:41,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41" (1/1) ... [2021-06-16 15:55:41,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41" (1/1) ... [2021-06-16 15:55:41,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 15:55:41,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 15:55:41,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 15:55:41,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 15:55:41,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41" (1/1) ... [2021-06-16 15:55:41,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41" (1/1) ... [2021-06-16 15:55:41,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41" (1/1) ... [2021-06-16 15:55:41,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41" (1/1) ... [2021-06-16 15:55:41,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41" (1/1) ... [2021-06-16 15:55:41,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41" (1/1) ... [2021-06-16 15:55:41,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41" (1/1) ... [2021-06-16 15:55:41,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 15:55:41,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 15:55:41,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 15:55:41,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 15:55:41,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41" (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 [2021-06-16 15:55:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-16 15:55:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 15:55:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-16 15:55:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 15:55:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 15:55:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 15:55:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-06-16 15:55:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-06-16 15:55:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 15:55:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 15:55:41,324 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 15:55:41,738 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 15:55:41,739 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-06-16 15:55:41,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 03:55:41 BoogieIcfgContainer [2021-06-16 15:55:41,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 15:55:41,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 15:55:41,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 15:55:41,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 15:55:41,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 03:55:40" (1/3) ... [2021-06-16 15:55:41,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b627d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 03:55:41, skipping insertion in model container [2021-06-16 15:55:41,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:55:41" (2/3) ... [2021-06-16 15:55:41,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b627d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 03:55:41, skipping insertion in model container [2021-06-16 15:55:41,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 03:55:41" (3/3) ... [2021-06-16 15:55:41,749 INFO L111 eAbstractionObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2021-06-16 15:55:41,756 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 15:55:41,756 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 15:55:41,757 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 15:55:41,757 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 15:55:41,785 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,786 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,786 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,786 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,786 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,786 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,786 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,786 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,787 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,787 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,787 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,787 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,788 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,788 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,788 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,788 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,789 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,789 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,789 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,789 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,791 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,791 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,791 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,792 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,792 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,792 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:55:41,801 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-16 15:55:41,819 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 15:55:41,843 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 15:55:41,844 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 15:55:41,844 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 15:55:41,844 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 15:55:41,844 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 15:55:41,844 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 15:55:41,845 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 15:55:41,845 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == threadThread1of1ForFork0======== [2021-06-16 15:55:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 153 states have (on average 1.2549019607843137) internal successors, (192), 172 states have internal predecessors, (192), 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) [2021-06-16 15:55:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-06-16 15:55:41,967 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:55:41,968 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:55:41,968 INFO L430 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:55:41,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:55:41,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1483348482, now seen corresponding path program 1 times [2021-06-16 15:55:41,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:55:41,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868871373] [2021-06-16 15:55:41,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:55:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-16 15:55:42,158 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-16 15:55:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-16 15:55:42,217 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-16 15:55:42,248 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-16 15:55:42,248 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-16 15:55:42,249 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 15:55:42,249 INFO L301 ceAbstractionStarter]: Result for error location threadThread1of1ForFork0 was UNSAFE (1/3) [2021-06-16 15:55:42,252 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 15:55:42,262 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 15:55:42,262 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 15:55:42,262 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 15:55:42,262 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 15:55:42,262 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 15:55:42,262 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 15:55:42,262 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 15:55:42,262 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 15:55:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 153 states have (on average 1.2549019607843137) internal successors, (192), 172 states have internal predecessors, (192), 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) [2021-06-16 15:55:42,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 15:55:42,288 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-06-16 15:55:42,288 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 15:55:42,289 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 15:55:42,289 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 15:55:42,289 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 15:55:42,289 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 15:55:42,290 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 15:55:42,290 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 15:55:42,290 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 15:55:42,290 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread======== [2021-06-16 15:55:42,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 153 states have (on average 1.2549019607843137) internal successors, (192), 172 states have internal predecessors, (192), 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) [2021-06-16 15:55:42,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 15:55:42,313 INFO L301 ceAbstractionStarter]: Result for error location thread was SAFE (3/3) [2021-06-16 15:55:42,314 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 15:55:42,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 03:55:42 BasicIcfg [2021-06-16 15:55:42,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 15:55:42,344 INFO L168 Benchmark]: Toolchain (without parser) took 1728.60 ms. Allocated memory is still 164.6 MB. Free memory was 128.4 MB in the beginning and 122.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. [2021-06-16 15:55:42,344 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 164.6 MB. Free memory is still 146.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 15:55:42,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.55 ms. Allocated memory is still 164.6 MB. Free memory was 128.2 MB in the beginning and 127.5 MB in the end (delta: 739.7 kB). Peak memory consumption was 13.3 MB. Max. memory is 8.0 GB. [2021-06-16 15:55:42,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.10 ms. Allocated memory is still 164.6 MB. Free memory was 127.5 MB in the beginning and 125.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 15:55:42,346 INFO L168 Benchmark]: Boogie Preprocessor took 32.87 ms. Allocated memory is still 164.6 MB. Free memory was 125.4 MB in the beginning and 124.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 15:55:42,346 INFO L168 Benchmark]: RCFGBuilder took 494.14 ms. Allocated memory is still 164.6 MB. Free memory was 124.0 MB in the beginning and 102.3 MB in the end (delta: 21.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-06-16 15:55:42,347 INFO L168 Benchmark]: TraceAbstraction took 599.38 ms. Allocated memory is still 164.6 MB. Free memory was 101.9 MB in the beginning and 122.5 MB in the end (delta: -20.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 15:55:42,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 164.6 MB. Free memory is still 146.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 532.55 ms. Allocated memory is still 164.6 MB. Free memory was 128.2 MB in the beginning and 127.5 MB in the end (delta: 739.7 kB). Peak memory consumption was 13.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 63.10 ms. Allocated memory is still 164.6 MB. Free memory was 127.5 MB in the beginning and 125.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.87 ms. Allocated memory is still 164.6 MB. Free memory was 125.4 MB in the beginning and 124.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 494.14 ms. Allocated memory is still 164.6 MB. Free memory was 124.0 MB in the beginning and 102.3 MB in the end (delta: 21.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 599.38 ms. Allocated memory is still 164.6 MB. Free memory was 101.9 MB in the beginning and 122.5 MB in the end (delta: -20.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 169, positive: 141, positive conditional: 141, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 143, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 143, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 143, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 143, unknown conditional: 0, unknown unconditional: 143] , Statistics on independence cache: Total cache size (in pairs): 143, Positive cache size: 141, Positive conditional cache size: 0, Positive unconditional cache size: 141, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 26 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 169, positive: 141, positive conditional: 141, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 143, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 143, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 143, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 143, unknown conditional: 0, unknown unconditional: 143] , Statistics on independence cache: Total cache size (in pairs): 143, Positive cache size: 141, Positive conditional cache size: 0, Positive unconditional cache size: 141, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 26 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 169, positive: 141, positive conditional: 141, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 143, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 143, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 143, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 143, unknown conditional: 0, unknown unconditional: 143] , Statistics on independence cache: Total cache size (in pairs): 143, Positive cache size: 141, Positive conditional cache size: 0, Positive unconditional cache size: 141, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 26 - CounterExampleResult [Line: 704]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L697] 0 pthread_mutex_t lock; VAL [lock={11:0}] [L698] 0 pthread_cond_t cond; VAL [cond={13:0}, lock={11:0}] [L699] 0 int x; VAL [cond={13:0}, lock={11:0}, x=0] [L709] 0 pthread_t t; VAL [cond={13:0}, lock={11:0}, x=0] [L712] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [arg={0:0}, cond={13:0}, lock={11:0}, x=0] [L704] 1 !(x == 42) ? reach_error() : (void)0 VAL [arg={0:0}, arg={0:0}, cond={13:0}, lock={11:0}, x=0] [L704] 1 reach_error() VAL [arg={0:0}, arg={0:0}, cond={13:0}, lock={11:0}, x=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: threadThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 407.9ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 11.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 110.7ms, PartialOrderReductionTime: 96.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred 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: 9.4ms SsaConstructionTime, 96.2ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 3.5ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.4ms, PartialOrderReductionTime: 20.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread with 1 thread instances CFG has 3 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 3.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.2ms, PartialOrderReductionTime: 18.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred 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: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...