/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 11:37:54,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 11:37:54,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 11:37:55,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-29 11:37:55,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-29 11:37:55,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-29 11:37:55,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-29 11:37:55,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-29 11:37:55,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-29 11:37:55,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-29 11:37:55,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-29 11:37:55,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-29 11:37:55,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 11:37:55,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 11:37:55,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 11:37:55,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 11:37:55,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 11:37:55,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 11:37:55,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 11:37:55,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 11:37:55,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 11:37:55,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 11:37:55,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 11:37:55,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 11:37:55,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 11:37:55,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 11:37:55,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 11:37:55,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 11:37:55,087 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.epf [2022-01-29 11:37:55,120 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 11:37:55,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 11:37:55,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 11:37:55,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 11:37:55,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 11:37:55,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 11:37:55,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 11:37:55,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 11:37:55,122 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 11:37:55,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 11:37:55,123 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 11:37:55,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 11:37:55,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 11:37:55,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 11:37:55,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 11:37:55,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 11:37:55,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 11:37:55,124 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 11:37:55,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 11:37:55,124 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 11:37:55,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 11:37:55,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 11:37:55,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 11:37:55,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 11:37:55,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 11:37:55,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 11:37:55,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 11:37:55,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 11:37:55,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 11:37:55,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 11:37:55,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 11:37:55,125 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 11:37:55,126 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 11:37:55,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 11:37:55,126 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-01-29 11:37:55,126 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 11:37:55,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 11:37:55,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 11:37:55,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 11:37:55,313 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-29 11:37:55,313 INFO L275 PluginConnector]: CDTParser initialized [2022-01-29 11:37:55,314 INFO L432 ainManager$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_pos.i [2022-01-29 11:37:55,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf1f59b2/49fbd0f2f2374acb8422d34936b03c67/FLAG824d6d34e [2022-01-29 11:37:55,753 INFO L306 CDTParser]: Found 1 translation units. [2022-01-29 11:37:55,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i [2022-01-29 11:37:55,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf1f59b2/49fbd0f2f2374acb8422d34936b03c67/FLAG824d6d34e [2022-01-29 11:37:55,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf1f59b2/49fbd0f2f2374acb8422d34936b03c67 [2022-01-29 11:37:55,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 11:37:55,773 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-29 11:37:55,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-29 11:37:55,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-29 11:37:55,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-29 11:37:55,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:37:55" (1/1) ... [2022-01-29 11:37:55,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c60c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:55, skipping insertion in model container [2022-01-29 11:37:55,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:37:55" (1/1) ... [2022-01-29 11:37:55,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-29 11:37:55,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-29 11:37:55,963 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_pos.i[1102,1115] [2022-01-29 11:37:56,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 11:37:56,079 INFO L203 MainTranslator]: Completed pre-run [2022-01-29 11:37:56,090 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_pos.i[1102,1115] [2022-01-29 11:37:56,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 11:37:56,156 INFO L208 MainTranslator]: Completed translation [2022-01-29 11:37:56,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56 WrapperNode [2022-01-29 11:37:56,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-29 11:37:56,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 11:37:56,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 11:37:56,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 11:37:56,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56" (1/1) ... [2022-01-29 11:37:56,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56" (1/1) ... [2022-01-29 11:37:56,200 INFO L137 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-01-29 11:37:56,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 11:37:56,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 11:37:56,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 11:37:56,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 11:37:56,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56" (1/1) ... [2022-01-29 11:37:56,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56" (1/1) ... [2022-01-29 11:37:56,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56" (1/1) ... [2022-01-29 11:37:56,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56" (1/1) ... [2022-01-29 11:37:56,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56" (1/1) ... [2022-01-29 11:37:56,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56" (1/1) ... [2022-01-29 11:37:56,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56" (1/1) ... [2022-01-29 11:37:56,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 11:37:56,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 11:37:56,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 11:37:56,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 11:37:56,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56" (1/1) ... [2022-01-29 11:37:56,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 11:37:56,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 11:37:56,244 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) [2022-01-29 11:37:56,246 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 [2022-01-29 11:37:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-29 11:37:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-29 11:37:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-29 11:37:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-29 11:37:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-29 11:37:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-29 11:37:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-29 11:37:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 11:37:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 11:37:56,277 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 11:37:56,347 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 11:37:56,349 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 11:37:56,415 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 11:37:56,419 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 11:37:56,420 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 11:37:56,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:37:56 BoogieIcfgContainer [2022-01-29 11:37:56,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 11:37:56,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 11:37:56,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 11:37:56,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 11:37:56,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:37:55" (1/3) ... [2022-01-29 11:37:56,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acf7ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:37:56, skipping insertion in model container [2022-01-29 11:37:56,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:56" (2/3) ... [2022-01-29 11:37:56,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acf7ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:37:56, skipping insertion in model container [2022-01-29 11:37:56,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:37:56" (3/3) ... [2022-01-29 11:37:56,446 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_pos.i [2022-01-29 11:37:56,449 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 11:37:56,450 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 11:37:56,450 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 11:37:56,450 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 11:37:56,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:56,495 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-29 11:37:56,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 11:37:56,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 11:37:56,540 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) [2022-01-29 11:37:56,540 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 [2022-01-29 11:37:56,566 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 11:37:56,575 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, 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 [2022-01-29 11:37:56,575 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-29 11:37:56,662 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-29 11:37:56,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 11:37:56,666 INFO L85 PathProgramCache]: Analyzing trace with hash 698079731, now seen corresponding path program 1 times [2022-01-29 11:37:56,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 11:37:56,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568597751] [2022-01-29 11:37:56,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 11:37:56,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 11:37:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-29 11:37:56,758 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-29 11:37:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-29 11:37:56,814 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-29 11:37:56,815 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-29 11:37:56,816 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-29 11:37:56,817 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-29 11:37:56,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-29 11:37:56,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 11:37:56,824 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-29 11:37:56,828 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 11:37:56,828 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 11:37:56,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 11:37:56 BasicIcfg [2022-01-29 11:37:56,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 11:37:56,861 INFO L158 Benchmark]: Toolchain (without parser) took 1087.56ms. Allocated memory was 208.7MB in the beginning and 332.4MB in the end (delta: 123.7MB). Free memory was 148.7MB in the beginning and 250.7MB in the end (delta: -102.0MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2022-01-29 11:37:56,861 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory is still 166.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 11:37:56,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.41ms. Allocated memory was 208.7MB in the beginning and 332.4MB in the end (delta: 123.7MB). Free memory was 148.5MB in the beginning and 295.8MB in the end (delta: -147.2MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. [2022-01-29 11:37:56,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.95ms. Allocated memory is still 332.4MB. Free memory was 295.8MB in the beginning and 294.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-29 11:37:56,862 INFO L158 Benchmark]: Boogie Preprocessor took 18.33ms. Allocated memory is still 332.4MB. Free memory was 294.2MB in the beginning and 293.2MB in the end (delta: 997.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 11:37:56,862 INFO L158 Benchmark]: RCFGBuilder took 219.97ms. Allocated memory is still 332.4MB. Free memory was 292.6MB in the beginning and 281.6MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-29 11:37:56,863 INFO L158 Benchmark]: TraceAbstraction took 418.21ms. Allocated memory is still 332.4MB. Free memory was 281.1MB in the beginning and 250.7MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-01-29 11:37:56,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory is still 166.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 383.41ms. Allocated memory was 208.7MB in the beginning and 332.4MB in the end (delta: 123.7MB). Free memory was 148.5MB in the beginning and 295.8MB in the end (delta: -147.2MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.95ms. Allocated memory is still 332.4MB. Free memory was 295.8MB in the beginning and 294.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.33ms. Allocated memory is still 332.4MB. Free memory was 294.2MB in the beginning and 293.2MB in the end (delta: 997.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 219.97ms. Allocated memory is still 332.4MB. Free memory was 292.6MB in the beginning and 281.6MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 418.21ms. Allocated memory is still 332.4MB. Free memory was 281.1MB in the beginning and 250.7MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. 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()=0, arg={0:0}, arg={0:0}, x=0] [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! [2022-01-29 11:37:56,892 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 [2022-01-29 11:37:57,107 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...