/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/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 22:14:00,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 22:14:00,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 22:14:00,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 22:14:00,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 22:14:00,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 22:14:00,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 22:14:00,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 22:14:00,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 22:14:00,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 22:14:00,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 22:14:00,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 22:14:00,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 22:14:00,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 22:14:00,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 22:14:00,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 22:14:00,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 22:14:00,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 22:14:00,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 22:14:00,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 22:14:00,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 22:14:00,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 22:14:00,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 22:14:00,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 22:14:00,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 22:14:00,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 22:14:00,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 22:14:00,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 22:14:00,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 22:14:00,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 22:14:00,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 22:14:00,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 22:14:00,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 22:14:00,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 22:14:00,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 22:14:00,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 22:14:00,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 22:14:00,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 22:14:00,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 22:14:00,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 22:14:00,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 22:14:00,992 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 [2021-07-09 22:14:01,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 22:14:01,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 22:14:01,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 22:14:01,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 22:14:01,013 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 22:14:01,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 22:14:01,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 22:14:01,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 22:14:01,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 22:14:01,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 22:14:01,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 22:14:01,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 22:14:01,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 22:14:01,014 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 22:14:01,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 22:14:01,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 22:14:01,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 22:14:01,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 22:14:01,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 22:14:01,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 22:14:01,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 22:14:01,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:14:01,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 22:14:01,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 22:14:01,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 22:14:01,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 22:14:01,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 22:14:01,016 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 22:14:01,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 22:14:01,016 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-09 22:14:01,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 22:14:01,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 22:14:01,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 22:14:01,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 22:14:01,274 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 22:14:01,275 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 22:14:01,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-07-09 22:14:01,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1b7c4353/8167121119d84e04aeacd8d0e9e5c39b/FLAG6b4b8933e [2021-07-09 22:14:01,789 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 22:14:01,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-07-09 22:14:01,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1b7c4353/8167121119d84e04aeacd8d0e9e5c39b/FLAG6b4b8933e [2021-07-09 22:14:02,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1b7c4353/8167121119d84e04aeacd8d0e9e5c39b [2021-07-09 22:14:02,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 22:14:02,106 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 22:14:02,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 22:14:02,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 22:14:02,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 22:14:02,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:14:02" (1/1) ... [2021-07-09 22:14:02,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5819a647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02, skipping insertion in model container [2021-07-09 22:14:02,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:14:02" (1/1) ... [2021-07-09 22:14:02,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 22:14:02,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 22:14:02,562 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-07-09 22:14:02,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:14:02,578 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 22:14:02,603 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-07-09 22:14:02,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:14:02,677 INFO L208 MainTranslator]: Completed translation [2021-07-09 22:14:02,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02 WrapperNode [2021-07-09 22:14:02,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 22:14:02,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 22:14:02,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 22:14:02,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 22:14:02,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02" (1/1) ... [2021-07-09 22:14:02,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02" (1/1) ... [2021-07-09 22:14:02,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 22:14:02,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 22:14:02,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 22:14:02,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 22:14:02,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02" (1/1) ... [2021-07-09 22:14:02,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02" (1/1) ... [2021-07-09 22:14:02,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02" (1/1) ... [2021-07-09 22:14:02,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02" (1/1) ... [2021-07-09 22:14:02,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02" (1/1) ... [2021-07-09 22:14:02,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02" (1/1) ... [2021-07-09 22:14:02,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02" (1/1) ... [2021-07-09 22:14:02,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 22:14:02,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 22:14:02,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 22:14:02,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 22:14:02,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:14:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 22:14:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-09 22:14:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-09 22:14:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-09 22:14:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 22:14:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 22:14:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 22:14:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 22:14:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 22:14:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 22:14:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 22:14:02,803 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 22:14:03,172 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 22:14:03,172 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-07-09 22:14:03,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:14:03 BoogieIcfgContainer [2021-07-09 22:14:03,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 22:14:03,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 22:14:03,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 22:14:03,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 22:14:03,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 10:14:02" (1/3) ... [2021-07-09 22:14:03,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a88fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:14:03, skipping insertion in model container [2021-07-09 22:14:03,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:02" (2/3) ... [2021-07-09 22:14:03,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a88fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:14:03, skipping insertion in model container [2021-07-09 22:14:03,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:14:03" (3/3) ... [2021-07-09 22:14:03,178 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2021-07-09 22:14:03,182 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 22:14:03,183 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 22:14:03,183 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-07-09 22:14:03,183 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 22:14:03,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,200 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,200 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,201 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,201 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,202 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,202 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,202 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,202 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,202 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,203 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,203 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,203 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,205 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,205 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,205 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:03,211 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-07-09 22:14:03,227 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-09 22:14:03,243 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 22:14:03,244 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 22:14:03,244 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 22:14:03,244 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 22:14:03,244 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 22:14:03,244 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 22:14:03,244 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 22:14:03,244 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork0======== [2021-07-09 22:14:03,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 175 states have (on average 1.1142857142857143) internal successors, (195), 194 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-09 22:14:03,359 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:14:03,359 INFO L508 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] [2021-07-09 22:14:03,360 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:14:03,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:14:03,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1446939762, now seen corresponding path program 1 times [2021-07-09 22:14:03,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:14:03,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477922072] [2021-07-09 22:14:03,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:14:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:14:03,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:03,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:14:03,631 INFO L142 QuantifierPusher]: treesize reduction 6, result has 33.3 percent of original size [2021-07-09 22:14:03,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:14:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:03,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:14:03,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:03,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:14:03,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:03,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:14:03,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:14:03,655 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:14:03,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477922072] [2021-07-09 22:14:03,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477922072] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:14:03,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:14:03,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 22:14:03,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130311993] [2021-07-09 22:14:03,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 22:14:03,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:14:03,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 22:14:03,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 22:14:03,674 INFO L87 Difference]: Start difference. First operand has 195 states, 175 states have (on average 1.1142857142857143) internal successors, (195), 194 states have internal predecessors, (195), 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) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:03,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:14:03,728 INFO L93 Difference]: Finished difference Result 162 states and 161 transitions. [2021-07-09 22:14:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 22:14:03,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) Word has length 42 [2021-07-09 22:14:03,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:14:03,733 INFO L225 Difference]: With dead ends: 162 [2021-07-09 22:14:03,733 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 22:14:03,734 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-09 22:14:03,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 22:14:03,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 22:14:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:03,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 22:14:03,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-07-09 22:14:03,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:14:03,751 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 22:14:03,751 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:03,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 22:14:03,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 22:14:03,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 22:14:03,752 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (1/2) [2021-07-09 22:14:03,753 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-07-09 22:14:03,763 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 22:14:03,764 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 22:14:03,765 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 22:14:03,765 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 22:14:03,765 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 22:14:03,765 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 22:14:03,765 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 22:14:03,765 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 22:14:03,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 299 states, 269 states have (on average 1.174721189591078) internal successors, (316), 298 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:03,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-07-09 22:14:03,799 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:14:03,799 INFO L508 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] [2021-07-09 22:14:03,800 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:14:03,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:14:03,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1654812270, now seen corresponding path program 1 times [2021-07-09 22:14:03,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:14:03,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615482381] [2021-07-09 22:14:03,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:14:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:14:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:03,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:14:03,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:03,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:14:03,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:03,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:14:03,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:03,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:14:03,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:03,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:14:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:14:03,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:14:03,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615482381] [2021-07-09 22:14:03,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615482381] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:14:03,892 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:14:03,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 22:14:03,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634707523] [2021-07-09 22:14:03,893 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 22:14:03,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:14:03,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 22:14:03,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 22:14:03,894 INFO L87 Difference]: Start difference. First operand has 299 states, 269 states have (on average 1.174721189591078) internal successors, (316), 298 states have internal predecessors, (316), 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) Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:03,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:14:03,951 INFO L93 Difference]: Finished difference Result 279 states and 278 transitions. [2021-07-09 22:14:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 22:14:03,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) Word has length 27 [2021-07-09 22:14:03,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:14:03,955 INFO L225 Difference]: With dead ends: 279 [2021-07-09 22:14:03,955 INFO L226 Difference]: Without dead ends: 73 [2021-07-09 22:14:03,955 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 29.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-09 22:14:03,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-07-09 22:14:03,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-07-09 22:14:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 71 states have (on average 1.0140845070422535) internal successors, (72), 72 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:03,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 72 transitions. [2021-07-09 22:14:03,965 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 72 transitions. Word has length 27 [2021-07-09 22:14:03,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:14:03,966 INFO L482 AbstractCegarLoop]: Abstraction has 73 states and 72 transitions. [2021-07-09 22:14:03,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:03,966 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 72 transitions. [2021-07-09 22:14:03,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 22:14:03,967 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:14:03,967 INFO L508 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] [2021-07-09 22:14:03,967 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 22:14:03,967 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:14:03,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:14:03,969 INFO L82 PathProgramCache]: Analyzing trace with hash -10744082, now seen corresponding path program 1 times [2021-07-09 22:14:03,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:14:03,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262581070] [2021-07-09 22:14:03,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:14:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:14:04,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:04,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:14:04,037 INFO L142 QuantifierPusher]: treesize reduction 11, result has 21.4 percent of original size [2021-07-09 22:14:04,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:14:04,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:04,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:14:04,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:04,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:14:04,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:04,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:14:04,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:14:04,049 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:14:04,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262581070] [2021-07-09 22:14:04,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262581070] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:14:04,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:14:04,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 22:14:04,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630134729] [2021-07-09 22:14:04,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 22:14:04,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:14:04,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 22:14:04,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 22:14:04,057 INFO L87 Difference]: Start difference. First operand 73 states and 72 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:04,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:14:04,096 INFO L93 Difference]: Finished difference Result 71 states and 70 transitions. [2021-07-09 22:14:04,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 22:14:04,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) Word has length 35 [2021-07-09 22:14:04,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:14:04,099 INFO L225 Difference]: With dead ends: 71 [2021-07-09 22:14:04,099 INFO L226 Difference]: Without dead ends: 65 [2021-07-09 22:14:04,099 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-09 22:14:04,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-07-09 22:14:04,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-07-09 22:14:04,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.0) internal successors, (64), 64 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 64 transitions. [2021-07-09 22:14:04,108 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 64 transitions. Word has length 35 [2021-07-09 22:14:04,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:14:04,109 INFO L482 AbstractCegarLoop]: Abstraction has 65 states and 64 transitions. [2021-07-09 22:14:04,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:04,109 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 64 transitions. [2021-07-09 22:14:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-07-09 22:14:04,111 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:14:04,112 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:14:04,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 22:14:04,112 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:14:04,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:14:04,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1000374871, now seen corresponding path program 1 times [2021-07-09 22:14:04,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:14:04,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764362405] [2021-07-09 22:14:04,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:14:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:14:04,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:04,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:14:04,195 INFO L142 QuantifierPusher]: treesize reduction 6, result has 33.3 percent of original size [2021-07-09 22:14:04,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:14:04,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:04,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:14:04,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:04,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:14:04,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:14:04,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:14:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:14:04,215 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:14:04,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764362405] [2021-07-09 22:14:04,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764362405] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:14:04,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:14:04,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 22:14:04,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339109489] [2021-07-09 22:14:04,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 22:14:04,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:14:04,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 22:14:04,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 22:14:04,221 INFO L87 Difference]: Start difference. First operand 65 states and 64 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:04,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:14:04,247 INFO L93 Difference]: Finished difference Result 63 states and 62 transitions. [2021-07-09 22:14:04,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 22:14:04,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) Word has length 64 [2021-07-09 22:14:04,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:14:04,248 INFO L225 Difference]: With dead ends: 63 [2021-07-09 22:14:04,248 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 22:14:04,249 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-09 22:14:04,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 22:14:04,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 22:14:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 22:14:04,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2021-07-09 22:14:04,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:14:04,249 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 22:14:04,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:14:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 22:14:04,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 22:14:04,250 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 22:14:04,250 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-09 22:14:04,250 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 22:14:04,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 10:14:04 BasicIcfg [2021-07-09 22:14:04,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 22:14:04,252 INFO L168 Benchmark]: Toolchain (without parser) took 2145.99 ms. Allocated memory was 183.5 MB in the beginning and 220.2 MB in the end (delta: 36.7 MB). Free memory was 143.5 MB in the beginning and 77.8 MB in the end (delta: 65.7 MB). Peak memory consumption was 103.4 MB. Max. memory is 8.0 GB. [2021-07-09 22:14:04,252 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 183.5 MB. Free memory is still 163.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 22:14:04,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.73 ms. Allocated memory is still 183.5 MB. Free memory was 143.3 MB in the beginning and 123.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:14:04,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.91 ms. Allocated memory is still 183.5 MB. Free memory was 122.9 MB in the beginning and 120.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:14:04,253 INFO L168 Benchmark]: Boogie Preprocessor took 23.82 ms. Allocated memory is still 183.5 MB. Free memory was 120.3 MB in the beginning and 117.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:14:04,253 INFO L168 Benchmark]: RCFGBuilder took 430.27 ms. Allocated memory is still 183.5 MB. Free memory was 117.7 MB in the beginning and 79.4 MB in the end (delta: 38.3 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. [2021-07-09 22:14:04,254 INFO L168 Benchmark]: TraceAbstraction took 1077.04 ms. Allocated memory was 183.5 MB in the beginning and 220.2 MB in the end (delta: 36.7 MB). Free memory was 78.9 MB in the beginning and 77.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 38.9 MB. Max. memory is 8.0 GB. [2021-07-09 22:14:04,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 183.5 MB. Free memory is still 163.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 570.73 ms. Allocated memory is still 183.5 MB. Free memory was 143.3 MB in the beginning and 123.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.91 ms. Allocated memory is still 183.5 MB. Free memory was 122.9 MB in the beginning and 120.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.82 ms. Allocated memory is still 183.5 MB. Free memory was 120.3 MB in the beginning and 117.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 430.27 ms. Allocated memory is still 183.5 MB. Free memory was 117.7 MB in the beginning and 79.4 MB in the end (delta: 38.3 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1077.04 ms. Allocated memory was 183.5 MB in the beginning and 220.2 MB in the end (delta: 36.7 MB). Free memory was 78.9 MB in the beginning and 77.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 38.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 146, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 135, positive: 135, positive conditional: 0, positive unconditional: 135, 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: 135, positive: 135, positive conditional: 0, positive unconditional: 135, 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: 135, positive: 135, positive conditional: 0, positive unconditional: 135, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 135, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 135, unknown conditional: 0, unknown unconditional: 135] , Statistics on independence cache: Total cache size (in pairs): 135, Positive cache size: 135, Positive conditional cache size: 0, Positive unconditional cache size: 135, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 11 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 254, positive: 221, positive conditional: 221, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 221, positive: 221, positive conditional: 0, positive unconditional: 221, 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: 221, positive: 221, positive conditional: 0, positive unconditional: 221, 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: 221, positive: 221, positive conditional: 0, positive unconditional: 221, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 221, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 221, unknown conditional: 0, unknown unconditional: 221] , Statistics on independence cache: Total cache size (in pairs): 221, Positive cache size: 221, Positive conditional cache size: 0, Positive unconditional cache size: 221, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 33 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 106 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 510.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 22.0ms, AutomataDifference: 74.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 92.5ms, PartialOrderReductionTime: 80.4ms, HoareTripleCheckerStatistics: 99 SDtfs, 49 SDslu, 198 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.4ms SsaConstructionTime, 33.7ms SatisfiabilityAnalysisTime, 141.5ms InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, 106 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 486.4ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 6.9ms, AutomataDifference: 137.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 30.7ms, PartialOrderReductionTime: 29.0ms, HoareTripleCheckerStatistics: 213 SDtfs, 203 SDslu, 389 SDs, 0 SdLazy, 53 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 78.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 18.8ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.4ms SsaConstructionTime, 38.6ms SatisfiabilityAnalysisTime, 178.6ms InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...