/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:57:36,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:57:36,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:57:36,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 23:57:36,553 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.epf [2022-02-10 23:57:36,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:57:36,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:57:36,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:57:36,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:57:36,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:57:36,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:57:36,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:57:36,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:57:36,574 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:57:36,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:57:36,574 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:57:36,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:57:36,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:57:36,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:57:36,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:57:36,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:57:36,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:57:36,575 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:57:36,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:57:36,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:57:36,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:57:36,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:57:36,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:57:36,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:57:36,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:57:36,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:57:36,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:57:36,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:57:36,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:57:36,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:57:36,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:57:36,576 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:57:36,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:57:36,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 23:57:36,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:57:36,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:57:36,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:57:36,722 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:57:36,722 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:57:36,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest1.c [2022-02-10 23:57:36,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa11d5d19/9ecd4b9be5134505a9f0bc6134a8c63d/FLAG31ba29691 [2022-02-10 23:57:37,122 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:57:37,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ThreadIdTest1.c [2022-02-10 23:57:37,123 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-10 23:57:37,123 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-10 23:57:37,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa11d5d19/9ecd4b9be5134505a9f0bc6134a8c63d/FLAG31ba29691 [2022-02-10 23:57:37,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa11d5d19/9ecd4b9be5134505a9f0bc6134a8c63d [2022-02-10 23:57:37,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:57:37,162 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:57:37,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:57:37,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:57:37,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:57:37,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3b10ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37, skipping insertion in model container [2022-02-10 23:57:37,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:57:37,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:57:37,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:57:37,333 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:57:37,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:57:37,350 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:57:37,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37 WrapperNode [2022-02-10 23:57:37,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:57:37,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:57:37,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:57:37,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:57:37,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,372 INFO L137 Inliner]: procedures = 9, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2022-02-10 23:57:37,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:57:37,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:57:37,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:57:37,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:57:37,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:57:37,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:57:37,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:57:37,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:57:37,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37" (1/1) ... [2022-02-10 23:57:37,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:57:37,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:57:37,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 23:57:37,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 23:57:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:57:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2022-02-10 23:57:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2022-02-10 23:57:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:57:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:57:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 23:57:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:57:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:57:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2022-02-10 23:57:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2022-02-10 23:57:37,478 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:57:37,530 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:57:37,531 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:57:37,689 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:57:37,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:57:37,693 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 23:57:37,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:57:37 BoogieIcfgContainer [2022-02-10 23:57:37,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:57:37,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:57:37,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:57:37,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:57:37,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:57:37" (1/3) ... [2022-02-10 23:57:37,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30edcb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:57:37, skipping insertion in model container [2022-02-10 23:57:37,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:37" (2/3) ... [2022-02-10 23:57:37,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30edcb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:57:37, skipping insertion in model container [2022-02-10 23:57:37,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:57:37" (3/3) ... [2022-02-10 23:57:37,700 INFO L112 eAbstractionObserver]: Analyzing ICFG ThreadIdTest1.c [2022-02-10 23:57:37,703 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:57:37,703 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:57:37,703 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 23:57:37,703 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:57:37,741 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,741 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,741 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,741 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,741 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,741 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,742 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,742 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,742 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,742 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,742 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,742 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,743 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,743 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,743 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,743 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,743 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,743 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,744 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,744 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,744 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,744 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,744 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,744 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,744 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,744 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,745 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,745 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,745 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,745 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,745 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,745 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,746 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,746 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,746 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,746 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,748 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,748 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,748 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,748 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,748 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,750 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,750 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,750 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,751 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,751 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:37,761 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 23:57:37,795 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:57:37,800 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 23:57:37,800 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-10 23:57:37,809 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 51 transitions, 115 flow [2022-02-10 23:57:37,863 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 281 states, 280 states have (on average 2.242857142857143) internal successors, (628), 280 states have internal predecessors, (628), 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) [2022-02-10 23:57:37,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 281 states, 280 states have (on average 2.242857142857143) internal successors, (628), 280 states have internal predecessors, (628), 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) [2022-02-10 23:57:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-10 23:57:37,878 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:57:37,879 INFO L515 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] [2022-02-10 23:57:37,880 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:57:37,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:57:37,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1666838025, now seen corresponding path program 1 times [2022-02-10 23:57:37,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:57:37,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43055092] [2022-02-10 23:57:37,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:57:37,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:57:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:57:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:57:38,078 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:57:38,078 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43055092] [2022-02-10 23:57:38,079 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43055092] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:57:38,079 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:57:38,080 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:57:38,081 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415964326] [2022-02-10 23:57:38,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:57:38,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:57:38,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:57:38,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:57:38,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:57:38,113 INFO L87 Difference]: Start difference. First operand has 281 states, 280 states have (on average 2.242857142857143) internal successors, (628), 280 states have internal predecessors, (628), 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 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-02-10 23:57:38,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:57:38,166 INFO L93 Difference]: Finished difference Result 282 states and 625 transitions. [2022-02-10 23:57:38,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:57:38,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2022-02-10 23:57:38,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:57:38,177 INFO L225 Difference]: With dead ends: 282 [2022-02-10 23:57:38,178 INFO L226 Difference]: Without dead ends: 158 [2022-02-10 23:57:38,179 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:57:38,182 INFO L934 BasicCegarLoop]: 42 mSDtfsCounter, 5 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:57:38,184 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 71 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:57:38,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-02-10 23:57:38,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2022-02-10 23:57:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.9745222929936306) internal successors, (310), 157 states have internal predecessors, (310), 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) [2022-02-10 23:57:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 310 transitions. [2022-02-10 23:57:38,224 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 310 transitions. Word has length 34 [2022-02-10 23:57:38,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:57:38,225 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 310 transitions. [2022-02-10 23:57:38,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-02-10 23:57:38,229 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 310 transitions. [2022-02-10 23:57:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-10 23:57:38,230 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:57:38,230 INFO L515 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] [2022-02-10 23:57:38,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:57:38,230 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:57:38,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:57:38,231 INFO L85 PathProgramCache]: Analyzing trace with hash 331475090, now seen corresponding path program 1 times [2022-02-10 23:57:38,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:57:38,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373636918] [2022-02-10 23:57:38,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:57:38,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:57:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:57:38,278 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 23:57:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:57:38,328 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 23:57:38,329 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 23:57:38,330 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-10 23:57:38,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-10 23:57:38,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-10 23:57:38,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:57:38,334 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-10 23:57:38,337 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:57:38,337 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:57:38,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:57:38 BasicIcfg [2022-02-10 23:57:38,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:57:38,382 INFO L158 Benchmark]: Toolchain (without parser) took 1219.32ms. Allocated memory was 210.8MB in the beginning and 280.0MB in the end (delta: 69.2MB). Free memory was 152.3MB in the beginning and 195.2MB in the end (delta: -42.9MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-02-10 23:57:38,382 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory is still 170.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:57:38,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.79ms. Allocated memory was 210.8MB in the beginning and 280.0MB in the end (delta: 69.2MB). Free memory was 152.2MB in the beginning and 250.8MB in the end (delta: -98.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-10 23:57:38,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.17ms. Allocated memory is still 280.0MB. Free memory was 250.8MB in the beginning and 249.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 23:57:38,383 INFO L158 Benchmark]: Boogie Preprocessor took 23.38ms. Allocated memory is still 280.0MB. Free memory was 249.2MB in the beginning and 248.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 23:57:38,383 INFO L158 Benchmark]: RCFGBuilder took 296.34ms. Allocated memory is still 280.0MB. Free memory was 248.2MB in the beginning and 237.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-10 23:57:38,384 INFO L158 Benchmark]: TraceAbstraction took 685.44ms. Allocated memory is still 280.0MB. Free memory was 236.7MB in the beginning and 195.2MB in the end (delta: 41.4MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2022-02-10 23:57:38,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory is still 170.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 187.79ms. Allocated memory was 210.8MB in the beginning and 280.0MB in the end (delta: 69.2MB). Free memory was 152.2MB in the beginning and 250.8MB in the end (delta: -98.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.17ms. Allocated memory is still 280.0MB. Free memory was 250.8MB in the beginning and 249.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.38ms. Allocated memory is still 280.0MB. Free memory was 249.2MB in the beginning and 248.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 296.34ms. Allocated memory is still 280.0MB. Free memory was 248.2MB in the beginning and 237.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 685.44ms. Allocated memory is still 280.0MB. Free memory was 236.7MB in the beginning and 195.2MB in the end (delta: 41.4MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 36]: assertion can be violated assertion can be violated We found a FailurePath: [L13] 0 int x = 0; VAL [x=0] [L27] 0 pthread_t first_th_id; VAL [first_th_id={3:0}, x=0] [L28] 0 pthread_t second_th_id; VAL [first_th_id={3:0}, second_th_id={2:0}, x=0] [L30] FCALL, FORK 0 pthread_create(&first_th_id, NULL, inc, NULL) VAL [first_th_id={3:0}, n={0:0}, pthread_create(&first_th_id, NULL, inc, NULL)=5, second_th_id={2:0}, x=0] [L17] 1 x++ VAL [n={0:0}, n={0:0}, x=1] [L18] 1 return NULL; VAL [\result={0:0}, n={0:0}, n={0:0}, x=1] [L31] FCALL, FORK 0 pthread_create(&second_th_id, NULL, dec, NULL) VAL [\result={0:0}, first_th_id={3:0}, n={0:0}, n={0:0}, n={0:0}, pthread_create(&second_th_id, NULL, dec, NULL)=6, second_th_id={2:0}, x=1] [L22] 2 x-- VAL [\result={0:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, x=1, x--=1] [L33] 0 \read(first_th_id) VAL [\read(first_th_id)=5, \result={0:0}, first_th_id={3:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, second_th_id={2:0}, x=1, x--=1] [L33] FCALL, JOIN 1 pthread_join(first_th_id, NULL) VAL [\read(first_th_id)=5, \result={0:0}, first_th_id={3:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, second_th_id={2:0}, x=1, x--=1] [L34] 0 int y = x; VAL [\result={0:0}, first_th_id={3:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, second_th_id={2:0}, x=1, x--=1, y=1] [L22] 2 x-- VAL [\result={0:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, x=0, x--=1] [L36] 0 CodeAnnotStmt[Assertion] VAL [\result={0:0}, first_th_id={3:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, second_th_id={2:0}, x=0, x--=1, y=1] - UnprovableResult [Line: 31]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 68 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 42 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 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 RESULT: Ultimate proved your program to be incorrect! [2022-02-10 23:57:38,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...