/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-PN-NoLbe-Before.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-dev-bf34d27 [2022-01-19 06:37:05,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 06:37:05,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 06:37:05,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 06:37:05,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 06:37:05,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 06:37:05,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 06:37:05,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 06:37:05,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 06:37:05,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 06:37:05,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 06:37:05,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 06:37:05,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 06:37:05,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 06:37:05,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 06:37:05,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 06:37:05,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 06:37:05,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 06:37:05,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 06:37:05,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 06:37:05,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 06:37:05,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 06:37:05,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 06:37:05,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 06:37:05,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-19 06:37:05,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 06:37:05,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 06:37:05,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 06:37:05,974 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-PN-NoLbe-Before.epf [2022-01-19 06:37:06,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 06:37:06,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 06:37:06,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 06:37:06,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 06:37:06,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 06:37:06,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 06:37:06,017 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 06:37:06,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 06:37:06,017 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 06:37:06,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 06:37:06,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 06:37:06,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 06:37:06,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 06:37:06,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 06:37:06,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 06:37:06,028 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 06:37:06,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 06:37:06,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 06:37:06,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 06:37:06,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 06:37:06,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 06:37:06,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 06:37:06,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 06:37:06,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 06:37:06,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 06:37:06,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 06:37:06,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 06:37:06,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 06:37:06,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 06:37:06,030 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 06:37:06,030 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 06:37:06,030 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=BEFORE [2022-01-19 06:37:06,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 06:37:06,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 06:37:06,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 06:37:06,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 06:37:06,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 06:37:06,241 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 06:37:06,242 INFO L432 ainManager$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 [2022-01-19 06:37:06,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beec705dc/35885e23bb374971ad3837328330c7dd/FLAG8c0dff1b8 [2022-01-19 06:37:06,680 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 06:37:06,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-01-19 06:37:06,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beec705dc/35885e23bb374971ad3837328330c7dd/FLAG8c0dff1b8 [2022-01-19 06:37:07,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beec705dc/35885e23bb374971ad3837328330c7dd [2022-01-19 06:37:07,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 06:37:07,053 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 06:37:07,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 06:37:07,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 06:37:07,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 06:37:07,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2415b4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07, skipping insertion in model container [2022-01-19 06:37:07,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 06:37:07,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 06:37:07,279 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] [2022-01-19 06:37:07,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 06:37:07,396 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 06:37:07,403 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] [2022-01-19 06:37:07,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 06:37:07,447 INFO L208 MainTranslator]: Completed translation [2022-01-19 06:37:07,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07 WrapperNode [2022-01-19 06:37:07,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 06:37:07,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 06:37:07,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 06:37:07,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 06:37:07,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,480 INFO L137 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-01-19 06:37:07,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 06:37:07,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 06:37:07,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 06:37:07,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 06:37:07,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 06:37:07,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 06:37:07,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 06:37:07,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 06:37:07,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07" (1/1) ... [2022-01-19 06:37:07,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 06:37:07,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:37:07,524 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) [2022-01-19 06:37:07,529 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 [2022-01-19 06:37:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 06:37:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 06:37:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 06:37:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-19 06:37:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-19 06:37:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 06:37:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 06:37:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 06:37:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 06:37:07,552 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 06:37:07,649 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 06:37:07,650 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 06:37:07,730 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 06:37:07,734 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 06:37:07,734 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 06:37:07,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 06:37:07 BoogieIcfgContainer [2022-01-19 06:37:07,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 06:37:07,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 06:37:07,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 06:37:07,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 06:37:07,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 06:37:07" (1/3) ... [2022-01-19 06:37:07,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af272d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 06:37:07, skipping insertion in model container [2022-01-19 06:37:07,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:37:07" (2/3) ... [2022-01-19 06:37:07,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af272d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 06:37:07, skipping insertion in model container [2022-01-19 06:37:07,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 06:37:07" (3/3) ... [2022-01-19 06:37:07,742 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-01-19 06:37:07,745 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 06:37:07,746 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 06:37:07,746 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 06:37:07,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:37:07,773 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-19 06:37:07,803 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 06:37:07,807 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=false, mAutomataTypeConcurrency=PETRI_NET, 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 [2022-01-19 06:37:07,807 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-19 06:37:07,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 43 transitions, 91 flow [2022-01-19 06:37:07,845 INFO L129 PetriNetUnfolder]: 1/42 cut-off events. [2022-01-19 06:37:07,845 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 06:37:07,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 42 events. 1/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-01-19 06:37:07,847 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 43 transitions, 91 flow [2022-01-19 06:37:07,850 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 36 transitions, 75 flow [2022-01-19 06:37:07,863 INFO L129 PetriNetUnfolder]: 0/35 cut-off events. [2022-01-19 06:37:07,863 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 06:37:07,864 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:37:07,864 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 06:37:07,865 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-19 06:37:07,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:37:07,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1764370604, now seen corresponding path program 1 times [2022-01-19 06:37:07,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:37:07,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663553091] [2022-01-19 06:37:07,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:37:07,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:37:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 06:37:07,979 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-19 06:37:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 06:37:08,021 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-19 06:37:08,022 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-19 06:37:08,023 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-19 06:37:08,024 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-19 06:37:08,024 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-19 06:37:08,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 06:37:08,028 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-19 06:37:08,031 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 06:37:08,031 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 06:37:08,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 06:37:08 BasicIcfg [2022-01-19 06:37:08,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 06:37:08,056 INFO L158 Benchmark]: Toolchain (without parser) took 1003.12ms. Allocated memory is still 335.5MB. Free memory was 284.1MB in the beginning and 263.3MB in the end (delta: 20.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.0GB. [2022-01-19 06:37:08,057 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 335.5MB. Free memory is still 301.5MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 06:37:08,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.14ms. Allocated memory is still 335.5MB. Free memory was 283.9MB in the beginning and 299.5MB in the end (delta: -15.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.0GB. [2022-01-19 06:37:08,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.49ms. Allocated memory is still 335.5MB. Free memory was 299.5MB in the beginning and 297.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 06:37:08,061 INFO L158 Benchmark]: Boogie Preprocessor took 22.73ms. Allocated memory is still 335.5MB. Free memory was 297.4MB in the beginning and 296.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 06:37:08,061 INFO L158 Benchmark]: RCFGBuilder took 231.40ms. Allocated memory is still 335.5MB. Free memory was 296.3MB in the beginning and 285.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2022-01-19 06:37:08,062 INFO L158 Benchmark]: TraceAbstraction took 319.07ms. Allocated memory is still 335.5MB. Free memory was 285.8MB in the beginning and 263.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2022-01-19 06:37:08,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 335.5MB. Free memory is still 301.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 388.14ms. Allocated memory is still 335.5MB. Free memory was 283.9MB in the beginning and 299.5MB in the end (delta: -15.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 32.49ms. Allocated memory is still 335.5MB. Free memory was 299.5MB in the beginning and 297.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 22.73ms. Allocated memory is still 335.5MB. Free memory was 297.4MB in the beginning and 296.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 231.40ms. Allocated memory is still 335.5MB. Free memory was 296.3MB in the beginning and 285.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * TraceAbstraction took 319.07ms. Allocated memory is still 335.5MB. Free memory was 285.8MB in the beginning and 263.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. 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]: 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] [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. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 28 NumberOfCodeBlocks, 28 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! [2022-01-19 06:37:08,097 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...