/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 06:58:12,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 06:58:12,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 06:58:12,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 06:58:12,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 06:58:12,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 06:58:12,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 06:58:12,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 06:58:12,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 06:58:12,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 06:58:12,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 06:58:12,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 06:58:12,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 06:58:12,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 06:58:12,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 06:58:12,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 06:58:12,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 06:58:12,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 06:58:12,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 06:58:12,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 06:58:12,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 06:58:12,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 06:58:12,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 06:58:12,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 06:58:12,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 06:58:12,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 06:58:12,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 06:58:12,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 06:58:12,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 06:58:12,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 06:58:12,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 06:58:12,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 06:58:12,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 06:58:12,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 06:58:12,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 06:58:12,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 06:58:12,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 06:58:12,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 06:58:12,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 06:58:12,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 06:58:12,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 06:58:12,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf [2021-06-02 06:58:12,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 06:58:12,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 06:58:12,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 06:58:12,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 06:58:12,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 06:58:12,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 06:58:12,241 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 06:58:12,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 06:58:12,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 06:58:12,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 06:58:12,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 06:58:12,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 06:58:12,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 06:58:12,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 06:58:12,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 06:58:12,242 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 06:58:12,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 06:58:12,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 06:58:12,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 06:58:12,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 06:58:12,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 06:58:12,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 06:58:12,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 06:58:12,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:58:12,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 06:58:12,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 06:58:12,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 06:58:12,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 06:58:12,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 06:58:12,243 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 06:58:12,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 06:58:12,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 06:58:12,243 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 06:58:12,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 06:58:12,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 06:58:12,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 06:58:12,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 06:58:12,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 06:58:12,488 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 06:58:12,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2021-06-02 06:58:12,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc174502/02f844ddbf7e4b9c842cd6e9a60653b2/FLAGbb30e7ed1 [2021-06-02 06:58:12,908 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 06:58:12,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2021-06-02 06:58:12,909 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-02 06:58:12,909 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-02 06:58:12,909 WARN L117 ultiparseSymbolTable]: System include stdbool.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-02 06:58:12,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc174502/02f844ddbf7e4b9c842cd6e9a60653b2/FLAGbb30e7ed1 [2021-06-02 06:58:12,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc174502/02f844ddbf7e4b9c842cd6e9a60653b2 [2021-06-02 06:58:12,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 06:58:12,951 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 06:58:12,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 06:58:12,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 06:58:12,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 06:58:12,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:58:12" (1/1) ... [2021-06-02 06:58:12,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184f5949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:12, skipping insertion in model container [2021-06-02 06:58:12,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:58:12" (1/1) ... [2021-06-02 06:58:12,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 06:58:12,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 06:58:13,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:58:13,116 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 06:58:13,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:58:13,138 INFO L208 MainTranslator]: Completed translation [2021-06-02 06:58:13,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13 WrapperNode [2021-06-02 06:58:13,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 06:58:13,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 06:58:13,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 06:58:13,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 06:58:13,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13" (1/1) ... [2021-06-02 06:58:13,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13" (1/1) ... [2021-06-02 06:58:13,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 06:58:13,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 06:58:13,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 06:58:13,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 06:58:13,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13" (1/1) ... [2021-06-02 06:58:13,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13" (1/1) ... [2021-06-02 06:58:13,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13" (1/1) ... [2021-06-02 06:58:13,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13" (1/1) ... [2021-06-02 06:58:13,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13" (1/1) ... [2021-06-02 06:58:13,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13" (1/1) ... [2021-06-02 06:58:13,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13" (1/1) ... [2021-06-02 06:58:13,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 06:58:13,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 06:58:13,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 06:58:13,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 06:58:13,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13" (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 [2021-06-02 06:58:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 06:58:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 06:58:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 06:58:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-02 06:58:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrement [2021-06-02 06:58:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrement [2021-06-02 06:58:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure firstIncrement [2021-06-02 06:58:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure firstIncrement [2021-06-02 06:58:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 06:58:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 06:58:13,253 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 06:58:13,461 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 06:58:13,461 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-02 06:58:13,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:58:13 BoogieIcfgContainer [2021-06-02 06:58:13,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 06:58:13,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 06:58:13,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 06:58:13,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 06:58:13,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:58:12" (1/3) ... [2021-06-02 06:58:13,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5f7b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:58:13, skipping insertion in model container [2021-06-02 06:58:13,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:58:13" (2/3) ... [2021-06-02 06:58:13,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5f7b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:58:13, skipping insertion in model container [2021-06-02 06:58:13,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:58:13" (3/3) ... [2021-06-02 06:58:13,467 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads.c [2021-06-02 06:58:13,471 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 06:58:13,471 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 06:58:13,471 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 06:58:13,471 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 06:58:13,498 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,498 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,498 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,498 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,499 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,499 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,499 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,499 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,499 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,499 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,499 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,500 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,500 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,500 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,500 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,500 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,500 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,500 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,500 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,501 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,501 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,501 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,501 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,501 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,501 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,502 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,502 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,502 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,502 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,502 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,502 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,503 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,503 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,503 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,503 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,503 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,503 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,503 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,503 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,504 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,504 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,504 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,504 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,504 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,505 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,506 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,506 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,506 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,506 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,511 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,512 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,512 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,512 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,512 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:58:13,519 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-02 06:58:13,537 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 06:58:13,594 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 06:58:13,594 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 06:58:13,594 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 06:58:13,594 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 06:58:13,594 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 06:58:13,594 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 06:58:13,594 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 06:58:13,595 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 06:58:13,983 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 06:58:13,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:58:13 BasicIcfg [2021-06-02 06:58:13,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 06:58:13,986 INFO L168 Benchmark]: Toolchain (without parser) took 1034.25 ms. Allocated memory is still 383.8 MB. Free memory was 345.7 MB in the beginning and 242.1 MB in the end (delta: 103.6 MB). Peak memory consumption was 103.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:58:13,987 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 383.8 MB. Free memory was 364.2 MB in the beginning and 364.1 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:58:13,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.97 ms. Allocated memory is still 383.8 MB. Free memory was 345.5 MB in the beginning and 366.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. [2021-06-02 06:58:13,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.95 ms. Allocated memory is still 383.8 MB. Free memory was 366.9 MB in the beginning and 364.8 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:58:13,989 INFO L168 Benchmark]: Boogie Preprocessor took 26.07 ms. Allocated memory is still 383.8 MB. Free memory was 364.8 MB in the beginning and 363.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:58:13,989 INFO L168 Benchmark]: RCFGBuilder took 272.84 ms. Allocated memory is still 383.8 MB. Free memory was 363.8 MB in the beginning and 345.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-02 06:58:13,990 INFO L168 Benchmark]: TraceAbstraction took 521.00 ms. Allocated memory is still 383.8 MB. Free memory was 344.9 MB in the beginning and 242.1 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 16.0 GB. [2021-06-02 06:58:13,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 383.8 MB. Free memory was 364.2 MB in the beginning and 364.1 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 185.97 ms. Allocated memory is still 383.8 MB. Free memory was 345.5 MB in the beginning and 366.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.95 ms. Allocated memory is still 383.8 MB. Free memory was 366.9 MB in the beginning and 364.8 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.07 ms. Allocated memory is still 383.8 MB. Free memory was 364.8 MB in the beginning and 363.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 272.84 ms. Allocated memory is still 383.8 MB. Free memory was 363.8 MB in the beginning and 345.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 521.00 ms. Allocated memory is still 383.8 MB. Free memory was 344.9 MB in the beginning and 242.1 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 312, positive: 270, positive conditional: 270, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 273, positive: 270, positive conditional: 270, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5276, positive: 5208, positive conditional: 0, positive unconditional: 5208, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1883, positive: 1862, positive conditional: 0, positive unconditional: 1862, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1883, positive: 1860, positive conditional: 0, positive unconditional: 1860, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5276, positive: 3346, positive conditional: 0, positive unconditional: 3346, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 1883, unknown conditional: 0, unknown unconditional: 1883] , Statistics on independence cache: Total cache size (in pairs): 1883, Positive cache size: 1862, Positive conditional cache size: 0, Positive unconditional cache size: 1862, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 ], Maximal queried relation: 0, Independence queries for same thread: 39 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 332, Number of persistent set computation: 437, Number of trivial persistent sets: 428, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 5276, positive: 5208, positive conditional: 0, positive unconditional: 5208, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1883, positive: 1862, positive conditional: 0, positive unconditional: 1862, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1883, positive: 1860, positive conditional: 0, positive unconditional: 1860, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5276, positive: 3346, positive conditional: 0, positive unconditional: 3346, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 1883, unknown conditional: 0, unknown unconditional: 1883] , Statistics on independence cache: Total cache size (in pairs): 1883, Positive cache size: 1862, Positive conditional cache size: 0, Positive unconditional cache size: 1862, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - PositiveResult [Line: 46]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 435.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.3ms, PartialOrderReductionTime: 373.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...