/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 07:36:25,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 07:36:25,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 07:36:25,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 07:36:25,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 07:36:25,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 07:36:25,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 07:36:25,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 07:36:25,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 07:36:25,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 07:36:25,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 07:36:25,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 07:36:25,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 07:36:25,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 07:36:25,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 07:36:25,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 07:36:25,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 07:36:25,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 07:36:25,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 07:36:25,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 07:36:25,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 07:36:25,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 07:36:25,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 07:36:25,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 07:36:25,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 07:36:25,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 07:36:25,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 07:36:25,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 07:36:25,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 07:36:25,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 07:36:25,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 07:36:25,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 07:36:25,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 07:36:25,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 07:36:25,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 07:36:25,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 07:36:25,522 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-02-20 07:36:25,538 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 07:36:25,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 07:36:25,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 07:36:25,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 07:36:25,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 07:36:25,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 07:36:25,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 07:36:25,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 07:36:25,543 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 07:36:25,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 07:36:25,544 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 07:36:25,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 07:36:25,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 07:36:25,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 07:36:25,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 07:36:25,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 07:36:25,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 07:36:25,544 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 07:36:25,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 07:36:25,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 07:36:25,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 07:36:25,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 07:36:25,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 07:36:25,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 07:36:25,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 07:36:25,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 07:36:25,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 07:36:25,547 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 07:36:25,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 07:36:25,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 07:36:25,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 07:36:25,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 07:36:25,547 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 07:36:25,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 07:36:25,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 07:36:25,547 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-20 07:36:25,548 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 07:36:25,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 07:36:25,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 07:36:25,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 07:36:25,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 07:36:25,765 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 07:36:25,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2022-02-20 07:36:25,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c0ac655/35dbc53f805a4b1f829b3425b8f6f5c7/FLAGf353ba601 [2022-02-20 07:36:26,171 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 07:36:26,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2022-02-20 07:36:26,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c0ac655/35dbc53f805a4b1f829b3425b8f6f5c7/FLAGf353ba601 [2022-02-20 07:36:26,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c0ac655/35dbc53f805a4b1f829b3425b8f6f5c7 [2022-02-20 07:36:26,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 07:36:26,543 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-20 07:36:26,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 07:36:26,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 07:36:26,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 07:36:26,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6000b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26, skipping insertion in model container [2022-02-20 07:36:26,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 07:36:26,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 07:36:26,727 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/13-privatized_36-traces-ex-3_true.i[1088,1101] [2022-02-20 07:36:26,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 07:36:26,851 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 07:36:26,859 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/13-privatized_36-traces-ex-3_true.i[1088,1101] [2022-02-20 07:36:26,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 07:36:26,901 INFO L208 MainTranslator]: Completed translation [2022-02-20 07:36:26,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26 WrapperNode [2022-02-20 07:36:26,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 07:36:26,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 07:36:26,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 07:36:26,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 07:36:26,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,930 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-02-20 07:36:26,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 07:36:26,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 07:36:26,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 07:36:26,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 07:36:26,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 07:36:26,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 07:36:26,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 07:36:26,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 07:36:26,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26" (1/1) ... [2022-02-20 07:36:26,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 07:36:26,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 07:36:26,982 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) [2022-02-20 07:36:27,012 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 [2022-02-20 07:36:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 07:36:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-20 07:36:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 07:36:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 07:36:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-20 07:36:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-20 07:36:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 07:36:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 07:36:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 07:36:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 07:36:27,044 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 07:36:27,123 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 07:36:27,124 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 07:36:27,297 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 07:36:27,302 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 07:36:27,302 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 07:36:27,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:36:27 BoogieIcfgContainer [2022-02-20 07:36:27,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 07:36:27,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 07:36:27,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 07:36:27,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 07:36:27,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 07:36:26" (1/3) ... [2022-02-20 07:36:27,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1840547c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:36:27, skipping insertion in model container [2022-02-20 07:36:27,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:26" (2/3) ... [2022-02-20 07:36:27,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1840547c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:36:27, skipping insertion in model container [2022-02-20 07:36:27,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:36:27" (3/3) ... [2022-02-20 07:36:27,313 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2022-02-20 07:36:27,317 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 07:36:27,317 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 07:36:27,317 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 07:36:27,317 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 07:36:27,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,340 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,340 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,340 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,340 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,345 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,345 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:27,347 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-20 07:36:27,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 07:36:27,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 07:36:27,378 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) [2022-02-20 07:36:27,379 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 [2022-02-20 07:36:27,401 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 07:36:27,405 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 07:36:27,405 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-20 07:36:27,477 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 58 transitions and produced 59 states. [2022-02-20 07:36:27,483 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-20 07:36:27,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 07:36:27,487 INFO L85 PathProgramCache]: Analyzing trace with hash 2081940106, now seen corresponding path program 1 times [2022-02-20 07:36:27,494 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 07:36:27,494 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564544160] [2022-02-20 07:36:27,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 07:36:27,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 07:36:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 07:36:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 07:36:27,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 07:36:27,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564544160] [2022-02-20 07:36:27,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564544160] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 07:36:27,773 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 07:36:27,773 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 07:36:27,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238488287] [2022-02-20 07:36:27,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 07:36:27,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 07:36:27,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 07:36:27,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 07:36:27,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 07:36:27,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:36:27,816 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 07:36:27,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 07:36:27,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:36:32,378 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2418 transitions and produced 2419 states. [2022-02-20 07:36:32,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:36:32,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 07:36:32,380 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-20 07:36:32,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 07:36:32,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1933159800, now seen corresponding path program 1 times [2022-02-20 07:36:32,380 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 07:36:32,381 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066344204] [2022-02-20 07:36:32,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 07:36:32,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 07:36:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 07:36:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 07:36:32,430 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 07:36:32,430 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066344204] [2022-02-20 07:36:32,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066344204] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 07:36:32,431 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 07:36:32,431 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 07:36:32,431 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032916798] [2022-02-20 07:36:32,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 07:36:32,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 07:36:32,432 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 07:36:32,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 07:36:32,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 07:36:32,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:36:32,433 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 07:36:32,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 07:36:32,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:36:32,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:36:32,484 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 138 transitions and produced 139 states. [2022-02-20 07:36:32,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:36:32,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 07:36:32,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 07:36:32,485 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-20 07:36:32,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 07:36:32,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1305661904, now seen corresponding path program 1 times [2022-02-20 07:36:32,486 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 07:36:32,486 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017904182] [2022-02-20 07:36:32,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 07:36:32,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 07:36:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 07:36:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 07:36:32,611 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 07:36:32,612 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017904182] [2022-02-20 07:36:32,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017904182] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 07:36:32,612 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 07:36:32,613 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 07:36:32,613 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642082673] [2022-02-20 07:36:32,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 07:36:32,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 07:36:32,614 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 07:36:32,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 07:36:32,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 07:36:32,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:36:32,615 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 07:36:32,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 07:36:32,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:36:32,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 07:36:32,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.