/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 17:05:36,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 17:05:36,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 17:05:36,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 17:05:36,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 17:05:36,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 17:05:36,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 17:05:36,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 17:05:36,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 17:05:36,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 17:05:36,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 17:05:36,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 17:05:36,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 17:05:36,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 17:05:36,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 17:05:36,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 17:05:36,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 17:05:36,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 17:05:36,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 17:05:36,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 17:05:36,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 17:05:36,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 17:05:36,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 17:05:36,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 17:05:36,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 17:05:36,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 17:05:36,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 17:05:36,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 17:05:36,259 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-MCRwithoutDepranks-Lazy.epf [2022-03-16 17:05:36,286 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 17:05:36,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 17:05:36,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 17:05:36,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 17:05:36,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 17:05:36,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 17:05:36,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 17:05:36,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 17:05:36,288 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 17:05:36,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 17:05:36,288 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 17:05:36,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 17:05:36,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 17:05:36,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 17:05:36,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 17:05:36,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 17:05:36,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 17:05:36,289 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 17:05:36,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 17:05:36,289 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 17:05:36,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 17:05:36,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 17:05:36,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 17:05:36,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 17:05:36,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 17:05:36,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 17:05:36,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 17:05:36,290 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 17:05:36,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 17:05:36,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 17:05:36,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 17:05:36,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 17:05:36,290 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 17:05:36,290 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 17:05:36,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 17:05:36,291 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 17:05:36,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 17:05:36,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 17:05:36,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 17:05:36,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 17:05:36,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 17:05:36,481 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 17:05:36,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-03-16 17:05:36,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62bfaca22/95eb27a53f674e18ad2004df235bb557/FLAG3ab0323aa [2022-03-16 17:05:36,938 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 17:05:36,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-03-16 17:05:36,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62bfaca22/95eb27a53f674e18ad2004df235bb557/FLAG3ab0323aa [2022-03-16 17:05:36,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62bfaca22/95eb27a53f674e18ad2004df235bb557 [2022-03-16 17:05:36,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 17:05:36,966 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 17:05:36,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 17:05:36,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 17:05:36,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 17:05:36,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 05:05:36" (1/1) ... [2022-03-16 17:05:36,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575d9c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:36, skipping insertion in model container [2022-03-16 17:05:36,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 05:05:36" (1/1) ... [2022-03-16 17:05:36,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 17:05:37,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 17:05:37,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2022-03-16 17:05:37,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 17:05:37,259 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 17:05:37,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2022-03-16 17:05:37,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 17:05:37,307 INFO L208 MainTranslator]: Completed translation [2022-03-16 17:05:37,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37 WrapperNode [2022-03-16 17:05:37,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 17:05:37,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 17:05:37,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 17:05:37,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 17:05:37,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37" (1/1) ... [2022-03-16 17:05:37,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37" (1/1) ... [2022-03-16 17:05:37,347 INFO L137 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-03-16 17:05:37,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 17:05:37,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 17:05:37,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 17:05:37,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 17:05:37,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37" (1/1) ... [2022-03-16 17:05:37,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37" (1/1) ... [2022-03-16 17:05:37,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37" (1/1) ... [2022-03-16 17:05:37,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37" (1/1) ... [2022-03-16 17:05:37,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37" (1/1) ... [2022-03-16 17:05:37,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37" (1/1) ... [2022-03-16 17:05:37,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37" (1/1) ... [2022-03-16 17:05:37,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 17:05:37,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 17:05:37,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 17:05:37,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 17:05:37,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37" (1/1) ... [2022-03-16 17:05:37,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 17:05:37,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 17:05:37,409 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) [2022-03-16 17:05:37,415 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 [2022-03-16 17:05:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 17:05:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 17:05:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 17:05:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-16 17:05:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-16 17:05:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 17:05:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 17:05:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 17:05:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 17:05:37,463 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 17:05:37,551 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 17:05:37,553 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 17:05:37,647 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 17:05:37,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 17:05:37,651 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 17:05:37,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 05:05:37 BoogieIcfgContainer [2022-03-16 17:05:37,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 17:05:37,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 17:05:37,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 17:05:37,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 17:05:37,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 05:05:36" (1/3) ... [2022-03-16 17:05:37,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7427c379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 05:05:37, skipping insertion in model container [2022-03-16 17:05:37,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:05:37" (2/3) ... [2022-03-16 17:05:37,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7427c379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 05:05:37, skipping insertion in model container [2022-03-16 17:05:37,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 05:05:37" (3/3) ... [2022-03-16 17:05:37,659 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-03-16 17:05:37,662 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 17:05:37,662 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 17:05:37,663 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 17:05:37,663 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 17:05:37,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 17:05:37,718 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-16 17:05:37,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 17:05:37,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 17:05:37,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 17:05:37,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 17:05:37,810 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 17:05:37,818 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 17:05:37,818 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 17:05:37,964 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 44 transitions and produced 45 states. [2022-03-16 17:05:37,967 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 17:05:37,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 17:05:37,975 INFO L85 PathProgramCache]: Analyzing trace with hash 698079731, now seen corresponding path program 1 times [2022-03-16 17:05:37,983 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 17:05:37,983 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100988134] [2022-03-16 17:05:37,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 17:05:37,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 17:05:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 17:05:38,068 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 17:05:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 17:05:38,097 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 17:05:38,098 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 17:05:38,099 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-16 17:05:38,100 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-16 17:05:38,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-16 17:05:38,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 17:05:38,106 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-16 17:05:38,109 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 17:05:38,109 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 17:05:38,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 05:05:38 BasicIcfg [2022-03-16 17:05:38,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 17:05:38,128 INFO L158 Benchmark]: Toolchain (without parser) took 1161.23ms. Allocated memory was 186.6MB in the beginning and 278.9MB in the end (delta: 92.3MB). Free memory was 127.6MB in the beginning and 171.0MB in the end (delta: -43.4MB). Peak memory consumption was 48.6MB. Max. memory is 8.0GB. [2022-03-16 17:05:38,128 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 17:05:38,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.23ms. Allocated memory was 186.6MB in the beginning and 278.9MB in the end (delta: 92.3MB). Free memory was 127.4MB in the beginning and 241.8MB in the end (delta: -114.4MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. [2022-03-16 17:05:38,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.40ms. Allocated memory is still 278.9MB. Free memory was 241.8MB in the beginning and 240.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 17:05:38,129 INFO L158 Benchmark]: Boogie Preprocessor took 23.26ms. Allocated memory is still 278.9MB. Free memory was 240.2MB in the beginning and 239.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 17:05:38,129 INFO L158 Benchmark]: RCFGBuilder took 281.15ms. Allocated memory is still 278.9MB. Free memory was 239.2MB in the beginning and 227.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-16 17:05:38,130 INFO L158 Benchmark]: TraceAbstraction took 472.76ms. Allocated memory is still 278.9MB. Free memory was 226.6MB in the beginning and 171.0MB in the end (delta: 55.6MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. [2022-03-16 17:05:38,131 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 186.6MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 337.23ms. Allocated memory was 186.6MB in the beginning and 278.9MB in the end (delta: 92.3MB). Free memory was 127.4MB in the beginning and 241.8MB in the end (delta: -114.4MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.40ms. Allocated memory is still 278.9MB. Free memory was 241.8MB in the beginning and 240.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.26ms. Allocated memory is still 278.9MB. Free memory was 240.2MB in the beginning and 239.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 281.15ms. Allocated memory is still 278.9MB. Free memory was 239.2MB in the beginning and 227.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 472.76ms. Allocated memory is still 278.9MB. Free memory was 226.6MB in the beginning and 171.0MB in the end (delta: 55.6MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L688] 0 int x = 3; VAL [x=3] [L689] 0 pthread_t id; VAL [id={3:0}, x=3] [L690] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x=3] [L691] 0 return 0; VAL [\result=0, id={3:0}, x=3] [L691] 0 return 0; VAL [\result=0, x=3] [L683] 1 int x = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=3, arg={0:0}, arg={0:0}, x=3] [L684] CALL 1 __VERIFIER_assert(!(x == 3)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0] - UnprovableResult [Line: 690]: 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, 60 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-03-16 17:05:38,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-16 17:05:38,372 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...