/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-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/predecessorInAtomicBlockBug.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 13:57:09,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 13:57:09,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 13:57:09,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 13:57:09,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 13:57:09,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 13:57:09,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 13:57:09,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 13:57:09,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 13:57:09,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 13:57:09,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 13:57:09,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 13:57:09,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 13:57:09,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 13:57:09,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 13:57:09,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 13:57:09,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 13:57:09,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 13:57:09,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 13:57:09,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 13:57:09,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 13:57:09,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 13:57:09,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 13:57:09,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 13:57:09,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 13:57:09,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 13:57:09,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 13:57:09,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 13:57:09,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 13:57:09,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 13:57:09,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 13:57:09,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 13:57:09,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 13:57:09,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 13:57:09,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 13:57:09,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 13:57:09,649 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-Separate.epf [2022-01-18 13:57:09,674 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 13:57:09,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 13:57:09,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 13:57:09,675 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 13:57:09,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 13:57:09,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 13:57:09,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 13:57:09,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 13:57:09,676 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 13:57:09,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 13:57:09,677 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 13:57:09,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 13:57:09,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 13:57:09,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 13:57:09,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 13:57:09,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 13:57:09,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 13:57:09,678 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 13:57:09,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 13:57:09,678 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 13:57:09,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 13:57:09,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 13:57:09,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 13:57:09,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 13:57:09,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 13:57:09,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 13:57:09,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 13:57:09,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 13:57:09,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 13:57:09,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 13:57:09,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 13:57:09,680 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 13:57:09,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 13:57:09,680 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 13:57:09,680 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 13:57:09,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 13:57:09,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 13:57:09,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 13:57:09,907 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 13:57:09,908 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 13:57:09,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/predecessorInAtomicBlockBug.c [2022-01-18 13:57:09,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b993d5a/88008febb5d44a128a0ebc7b6e738087/FLAG28f55dd92 [2022-01-18 13:57:10,275 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 13:57:10,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/predecessorInAtomicBlockBug.c [2022-01-18 13:57:10,276 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-01-18 13:57:10,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b993d5a/88008febb5d44a128a0ebc7b6e738087/FLAG28f55dd92 [2022-01-18 13:57:10,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b993d5a/88008febb5d44a128a0ebc7b6e738087 [2022-01-18 13:57:10,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 13:57:10,318 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 13:57:10,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 13:57:10,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 13:57:10,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 13:57:10,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69da4ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10, skipping insertion in model container [2022-01-18 13:57:10,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 13:57:10,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 13:57:10,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 13:57:10,504 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 13:57:10,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 13:57:10,520 INFO L208 MainTranslator]: Completed translation [2022-01-18 13:57:10,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10 WrapperNode [2022-01-18 13:57:10,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 13:57:10,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 13:57:10,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 13:57:10,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 13:57:10,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,539 INFO L137 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-01-18 13:57:10,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 13:57:10,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 13:57:10,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 13:57:10,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 13:57:10,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 13:57:10,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 13:57:10,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 13:57:10,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 13:57:10,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10" (1/1) ... [2022-01-18 13:57:10,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 13:57:10,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 13:57:10,575 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) [2022-01-18 13:57:10,595 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 [2022-01-18 13:57:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 13:57:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 13:57:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 13:57:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-01-18 13:57:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-01-18 13:57:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 13:57:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 13:57:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 13:57:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 13:57:10,607 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 13:57:10,654 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 13:57:10,655 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 13:57:10,720 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 13:57:10,723 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 13:57:10,724 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 13:57:10,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:57:10 BoogieIcfgContainer [2022-01-18 13:57:10,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 13:57:10,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 13:57:10,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 13:57:10,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 13:57:10,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 01:57:10" (1/3) ... [2022-01-18 13:57:10,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efc8fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:57:10, skipping insertion in model container [2022-01-18 13:57:10,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:10" (2/3) ... [2022-01-18 13:57:10,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efc8fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:57:10, skipping insertion in model container [2022-01-18 13:57:10,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:57:10" (3/3) ... [2022-01-18 13:57:10,730 INFO L111 eAbstractionObserver]: Analyzing ICFG predecessorInAtomicBlockBug.c [2022-01-18 13:57:10,733 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 13:57:10,733 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 13:57:10,734 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 13:57:10,734 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 13:57:10,748 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,748 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,748 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,748 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,748 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,749 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,749 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,749 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,749 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,749 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,749 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,750 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,752 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,752 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,752 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,752 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:10,753 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 13:57:10,780 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 13:57:10,784 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 [2022-01-18 13:57:10,785 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 13:57:10,790 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 29 transitions, 63 flow [2022-01-18 13:57:10,802 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 44 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 43 states have internal predecessors, (61), 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) [2022-01-18 13:57:10,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 43 states have internal predecessors, (61), 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) [2022-01-18 13:57:10,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-18 13:57:10,807 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:57:10,808 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:57:10,808 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] === [2022-01-18 13:57:10,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:57:10,811 INFO L85 PathProgramCache]: Analyzing trace with hash -757389383, now seen corresponding path program 1 times [2022-01-18 13:57:10,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:57:10,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659314932] [2022-01-18 13:57:10,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:57:10,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:57:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:57:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:57:10,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:57:10,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659314932] [2022-01-18 13:57:10,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659314932] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:57:10,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:57:10,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 13:57:10,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707891651] [2022-01-18 13:57:10,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:57:10,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 13:57:10,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:57:10,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 13:57:10,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 13:57:10,963 INFO L87 Difference]: Start difference. First operand has 44 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 43 states have internal predecessors, (61), 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 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-01-18 13:57:10,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:57:10,994 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2022-01-18 13:57:10,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 13:57:10,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2022-01-18 13:57:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:57:11,001 INFO L225 Difference]: With dead ends: 41 [2022-01-18 13:57:11,001 INFO L226 Difference]: Without dead ends: 41 [2022-01-18 13:57:11,004 INFO L932 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 [2022-01-18 13:57:11,006 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 13:57:11,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 33 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 13:57:11,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-01-18 13:57:11,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-01-18 13:57:11,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.375) internal successors, (55), 40 states have internal predecessors, (55), 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) [2022-01-18 13:57:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2022-01-18 13:57:11,040 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 16 [2022-01-18 13:57:11,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:57:11,041 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2022-01-18 13:57:11,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-01-18 13:57:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2022-01-18 13:57:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-18 13:57:11,043 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:57:11,043 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:57:11,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 13:57:11,043 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] === [2022-01-18 13:57:11,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:57:11,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1933200216, now seen corresponding path program 1 times [2022-01-18 13:57:11,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:57:11,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476098111] [2022-01-18 13:57:11,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:57:11,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:57:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 13:57:11,058 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 13:57:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 13:57:11,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 13:57:11,084 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 13:57:11,085 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location fooErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-01-18 13:57:11,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fooErr0ASSERT_VIOLATIONASSERT (1 of 3 remaining) [2022-01-18 13:57:11,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 13:57:11,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 13:57:11,089 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-18 13:57:11,094 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 13:57:11,094 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 13:57:11,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 01:57:11 BasicIcfg [2022-01-18 13:57:11,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 13:57:11,121 INFO L158 Benchmark]: Toolchain (without parser) took 802.09ms. Allocated memory was 415.2MB in the beginning and 589.3MB in the end (delta: 174.1MB). Free memory was 355.0MB in the beginning and 516.7MB in the end (delta: -161.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.0GB. [2022-01-18 13:57:11,121 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 415.2MB. Free memory is still 373.6MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 13:57:11,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.23ms. Allocated memory was 415.2MB in the beginning and 589.3MB in the end (delta: 174.1MB). Free memory was 385.7MB in the beginning and 558.6MB in the end (delta: -172.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2022-01-18 13:57:11,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.90ms. Allocated memory is still 589.3MB. Free memory was 558.6MB in the beginning and 556.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 13:57:11,122 INFO L158 Benchmark]: Boogie Preprocessor took 14.28ms. Allocated memory is still 589.3MB. Free memory was 556.5MB in the beginning and 555.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 13:57:11,122 INFO L158 Benchmark]: RCFGBuilder took 169.27ms. Allocated memory is still 589.3MB. Free memory was 555.5MB in the beginning and 543.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2022-01-18 13:57:11,123 INFO L158 Benchmark]: TraceAbstraction took 393.75ms. Allocated memory is still 589.3MB. Free memory was 543.9MB in the beginning and 516.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2022-01-18 13:57:11,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 415.2MB. Free memory is still 373.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 187.23ms. Allocated memory was 415.2MB in the beginning and 589.3MB in the end (delta: 174.1MB). Free memory was 385.7MB in the beginning and 558.6MB in the end (delta: -172.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 17.90ms. Allocated memory is still 589.3MB. Free memory was 558.6MB in the beginning and 556.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 14.28ms. Allocated memory is still 589.3MB. Free memory was 556.5MB in the beginning and 555.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 169.27ms. Allocated memory is still 589.3MB. Free memory was 555.5MB in the beginning and 543.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * TraceAbstraction took 393.75ms. Allocated memory is still 589.3MB. Free memory was 543.9MB in the beginning and 516.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * 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: 19]: assertion can be violated assertion can be violated We found a FailurePath: [L16] 0 int x = 0; VAL [x=0] [L24] 0 pthread_t threadId; VAL [threadId={2:0}, x=0] [L25] FCALL, FORK 0 pthread_create(&threadId, NULL, & foo, NULL) VAL [arg={0:0}, pthread_create(&threadId, NULL, & foo, NULL)=-1, threadId={2:0}, x=0] [L27] 0 x = x - 1 VAL [arg={0:0}, arg={0:0}, threadId={2:0}, x=-1] [L19] 1 CodeAnnotStmt[Assertion] VAL [arg={0:0}, arg={0:0}, x=-1] - UnprovableResult [Line: 25]: 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 3 procedures, 37 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 5 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=44occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 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! [2022-01-18 13:57:11,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...