/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 11:39:57,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 11:39:57,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 11:39:57,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 11:39:57,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 11:39:57,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 11:39:57,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 11:39:57,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 11:39:57,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 11:39:57,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 11:39:57,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 11:39:57,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 11:39:57,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 11:39:57,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 11:39:57,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 11:39:57,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 11:39:57,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 11:39:57,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 11:39:57,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 11:39:57,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 11:39:57,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 11:39:57,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 11:39:57,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 11:39:58,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 11:39:58,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 11:39:58,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 11:39:58,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 11:39:58,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 11:39:58,008 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 11:39:58,035 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 11:39:58,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 11:39:58,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 11:39:58,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 11:39:58,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 11:39:58,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 11:39:58,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 11:39:58,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 11:39:58,038 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 11:39:58,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 11:39:58,038 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 11:39:58,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 11:39:58,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 11:39:58,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 11:39:58,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 11:39:58,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 11:39:58,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 11:39:58,039 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 11:39:58,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 11:39:58,039 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 11:39:58,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 11:39:58,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 11:39:58,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 11:39:58,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 11:39:58,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 11:39:58,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 11:39:58,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 11:39:58,040 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 11:39:58,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 11:39:58,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 11:39:58,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 11:39:58,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 11:39:58,041 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 11:39:58,041 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 11:39:58,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 11:39:58,041 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 11:39:58,041 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 11:39:58,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 11:39:58,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 11:39:58,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 11:39:58,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 11:39:58,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 11:39:58,266 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 11:39:58,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-02-09 11:39:58,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e05aa1e/d55c448767224c409c73c730d1ef97ef/FLAG8540a4ab8 [2022-02-09 11:39:58,806 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 11:39:58,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-02-09 11:39:58,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e05aa1e/d55c448767224c409c73c730d1ef97ef/FLAG8540a4ab8 [2022-02-09 11:39:58,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e05aa1e/d55c448767224c409c73c730d1ef97ef [2022-02-09 11:39:58,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 11:39:58,831 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 11:39:58,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 11:39:58,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 11:39:58,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 11:39:58,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 11:39:58" (1/1) ... [2022-02-09 11:39:58,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2bdea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:58, skipping insertion in model container [2022-02-09 11:39:58,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 11:39:58" (1/1) ... [2022-02-09 11:39:58,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 11:39:58,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 11:39:59,041 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_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-02-09 11:39:59,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 11:39:59,166 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 11:39:59,178 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_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-02-09 11:39:59,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 11:39:59,245 INFO L208 MainTranslator]: Completed translation [2022-02-09 11:39:59,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59 WrapperNode [2022-02-09 11:39:59,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 11:39:59,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 11:39:59,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 11:39:59,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 11:39:59,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59" (1/1) ... [2022-02-09 11:39:59,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59" (1/1) ... [2022-02-09 11:39:59,298 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-02-09 11:39:59,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 11:39:59,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 11:39:59,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 11:39:59,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 11:39:59,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59" (1/1) ... [2022-02-09 11:39:59,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59" (1/1) ... [2022-02-09 11:39:59,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59" (1/1) ... [2022-02-09 11:39:59,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59" (1/1) ... [2022-02-09 11:39:59,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59" (1/1) ... [2022-02-09 11:39:59,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59" (1/1) ... [2022-02-09 11:39:59,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59" (1/1) ... [2022-02-09 11:39:59,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 11:39:59,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 11:39:59,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 11:39:59,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 11:39:59,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59" (1/1) ... [2022-02-09 11:39:59,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 11:39:59,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 11:39:59,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 11:39:59,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 11:39:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 11:39:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 11:39:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 11:39:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 11:39:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 11:39:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 11:39:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 11:39:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 11:39:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 11:39:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 11:39:59,419 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 11:39:59,511 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 11:39:59,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 11:39:59,674 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 11:39:59,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 11:39:59,679 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 11:39:59,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:39:59 BoogieIcfgContainer [2022-02-09 11:39:59,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 11:39:59,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 11:39:59,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 11:39:59,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 11:39:59,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 11:39:58" (1/3) ... [2022-02-09 11:39:59,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fa0301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 11:39:59, skipping insertion in model container [2022-02-09 11:39:59,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:39:59" (2/3) ... [2022-02-09 11:39:59,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fa0301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 11:39:59, skipping insertion in model container [2022-02-09 11:39:59,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:39:59" (3/3) ... [2022-02-09 11:39:59,687 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-02-09 11:39:59,690 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 11:39:59,690 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 11:39:59,691 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 11:39:59,691 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 11:39:59,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,712 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,712 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,712 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,717 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,717 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:39:59,719 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 11:39:59,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 11:39:59,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 11:39:59,758 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) [2022-02-09 11:39:59,759 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 [2022-02-09 11:39:59,783 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 11:39:59,788 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 [2022-02-09 11:39:59,788 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-09 11:39:59,963 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 11:39:59,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 11:39:59,966 INFO L85 PathProgramCache]: Analyzing trace with hash 687613271, now seen corresponding path program 1 times [2022-02-09 11:39:59,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 11:39:59,976 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180313416] [2022-02-09 11:39:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 11:39:59,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 11:40:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 11:40:00,127 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 11:40:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 11:40:00,210 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 11:40:00,211 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 11:40:00,212 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-09 11:40:00,214 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-09 11:40:00,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 11:40:00,228 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-09 11:40:00,232 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 11:40:00,232 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 11:40:00,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 11:40:00 BasicIcfg [2022-02-09 11:40:00,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 11:40:00,280 INFO L158 Benchmark]: Toolchain (without parser) took 1448.63ms. Allocated memory is still 219.2MB. Free memory was 165.9MB in the beginning and 137.6MB in the end (delta: 28.3MB). Peak memory consumption was 28.0MB. Max. memory is 8.0GB. [2022-02-09 11:40:00,280 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 219.2MB. Free memory is still 184.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 11:40:00,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.14ms. Allocated memory is still 219.2MB. Free memory was 165.7MB in the beginning and 185.7MB in the end (delta: -20.0MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-02-09 11:40:00,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.80ms. Allocated memory is still 219.2MB. Free memory was 185.7MB in the beginning and 183.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 11:40:00,281 INFO L158 Benchmark]: Boogie Preprocessor took 24.28ms. Allocated memory is still 219.2MB. Free memory was 183.8MB in the beginning and 182.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 11:40:00,281 INFO L158 Benchmark]: RCFGBuilder took 356.22ms. Allocated memory is still 219.2MB. Free memory was 182.7MB in the beginning and 170.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-09 11:40:00,281 INFO L158 Benchmark]: TraceAbstraction took 597.12ms. Allocated memory is still 219.2MB. Free memory was 169.6MB in the beginning and 137.6MB in the end (delta: 32.0MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-02-09 11:40:00,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 219.2MB. Free memory is still 184.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 413.14ms. Allocated memory is still 219.2MB. Free memory was 165.7MB in the beginning and 185.7MB in the end (delta: -20.0MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.80ms. Allocated memory is still 219.2MB. Free memory was 185.7MB in the beginning and 183.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.28ms. Allocated memory is still 219.2MB. Free memory was 183.8MB in the beginning and 182.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 356.22ms. Allocated memory is still 219.2MB. Free memory was 182.7MB in the beginning and 170.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 597.12ms. Allocated memory is still 219.2MB. Free memory was 169.6MB in the beginning and 137.6MB in the end (delta: 32.0MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 238, positive: 231, positive conditional: 21, positive unconditional: 210, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 237, positive: 231, positive conditional: 21, positive unconditional: 210, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 237, positive: 231, positive conditional: 21, positive unconditional: 210, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 237, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 237, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 237, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, positive: 204, positive conditional: 0, positive unconditional: 204, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 237, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 210, Positive conditional cache size: 0, Positive unconditional cache size: 210, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 54, Number of trivial persistent sets: 42, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 238, positive: 231, positive conditional: 21, positive unconditional: 210, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 237, positive: 231, positive conditional: 21, positive unconditional: 210, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 237, positive: 231, positive conditional: 21, positive unconditional: 210, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 237, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 237, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 237, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, positive: 204, positive conditional: 0, positive unconditional: 204, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 237, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 210, Positive conditional cache size: 0, Positive unconditional cache size: 210, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - 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: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, A={3:0}, B={4:0}, g=42, r=1] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=1] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=1] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=1] [L700] COND TRUE 0 \read(r) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=1] [L701] 0 g = 17 VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1, t=17] [L706] CALL 0 __VERIFIER_assert(!(t == 17)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] - UnprovableResult [Line: 697]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 89 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 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! [2022-02-09 11:40:00,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-09 11:40:00,544 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...