/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_14-idxunknown_access.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:13:14,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:13:14,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:13:14,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:13:14,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:13:14,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:13:14,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:13:14,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:13:14,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:13:14,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:13:14,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:13:14,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:13:14,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:13:14,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:13:14,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:13:14,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:13:14,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:13:14,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:13:14,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:13:14,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:13:14,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:13:14,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:13:14,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:13:14,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:13:14,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:13:14,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:13:14,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:13:14,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:13:14,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:13:14,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 20:13:14,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 20:13:14,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 20:13:14,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 20:13:14,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 20:13:14,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 20:13:14,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 20:13:14,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 20:13:14,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 20:13:14,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:13:14,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:13:14,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:13:14,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:13:14,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:13:14,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:13:14,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:13:14,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:13:14,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:13:14,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:13:14,547 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:13:14,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:13:14,556 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:13:14,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:13:14,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:13:14,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:13:14,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:13:14,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:13:14,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:13:14,558 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:13:14,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:13:14,558 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:13:14,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:13:14,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:13:14,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:13:14,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:13:14,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:13:14,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:14,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:13:14,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:13:14,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:13:14,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:13:14,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:13:14,560 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:13:14,560 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:13:14,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:13:14,560 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 20:13:14,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:13:14,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:13:14,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:13:14,819 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:13:14,820 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:13:14,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_14-idxunknown_access.i [2022-03-15 20:13:14,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7feb6415/21dcc8b2c43f49aaaba4b099e3a3ae54/FLAG902f9f861 [2022-03-15 20:13:15,411 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:13:15,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_14-idxunknown_access.i [2022-03-15 20:13:15,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7feb6415/21dcc8b2c43f49aaaba4b099e3a3ae54/FLAG902f9f861 [2022-03-15 20:13:15,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7feb6415/21dcc8b2c43f49aaaba4b099e3a3ae54 [2022-03-15 20:13:15,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:13:15,881 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:13:15,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:15,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:13:15,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:13:15,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:15" (1/1) ... [2022-03-15 20:13:15,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3863baab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:15, skipping insertion in model container [2022-03-15 20:13:15,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:15" (1/1) ... [2022-03-15 20:13:15,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:13:15,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:13:16,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:16,193 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:13:16,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:16,290 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:13:16,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16 WrapperNode [2022-03-15 20:13:16,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:16,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:16,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:13:16,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:13:16,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16" (1/1) ... [2022-03-15 20:13:16,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16" (1/1) ... [2022-03-15 20:13:16,353 INFO L137 Inliner]: procedures = 163, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2022-03-15 20:13:16,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:16,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:13:16,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:13:16,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:13:16,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16" (1/1) ... [2022-03-15 20:13:16,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16" (1/1) ... [2022-03-15 20:13:16,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16" (1/1) ... [2022-03-15 20:13:16,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16" (1/1) ... [2022-03-15 20:13:16,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16" (1/1) ... [2022-03-15 20:13:16,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16" (1/1) ... [2022-03-15 20:13:16,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16" (1/1) ... [2022-03-15 20:13:16,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:13:16,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:13:16,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:13:16,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:13:16,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16" (1/1) ... [2022-03-15 20:13:16,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:16,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:16,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 20:13:16,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 20:13:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 20:13:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:13:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:13:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:13:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 20:13:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 20:13:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:13:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:13:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:13:16,478 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 20:13:16,577 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:13:16,578 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:13:16,815 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:13:16,821 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:13:16,821 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 20:13:16,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:16 BoogieIcfgContainer [2022-03-15 20:13:16,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:13:16,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:13:16,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:13:16,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:13:16,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:13:15" (1/3) ... [2022-03-15 20:13:16,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2b567d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:16, skipping insertion in model container [2022-03-15 20:13:16,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:16" (2/3) ... [2022-03-15 20:13:16,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2b567d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:16, skipping insertion in model container [2022-03-15 20:13:16,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:16" (3/3) ... [2022-03-15 20:13:16,835 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_14-idxunknown_access.i [2022-03-15 20:13:16,839 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:13:16,840 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:13:16,840 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-15 20:13:16,840 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:13:16,886 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,886 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,886 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,887 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,887 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,887 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,887 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,887 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,899 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,899 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:16,901 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 20:13:16,939 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:13:16,945 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:13:16,945 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 20:13:16,954 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:13:16,965 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 77 transitions, 159 flow [2022-03-15 20:13:16,971 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 77 transitions, 159 flow [2022-03-15 20:13:16,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 77 transitions, 159 flow [2022-03-15 20:13:17,028 INFO L129 PetriNetUnfolder]: 1/76 cut-off events. [2022-03-15 20:13:17,028 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 20:13:17,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 76 events. 1/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2022-03-15 20:13:17,033 INFO L116 LiptonReduction]: Number of co-enabled transitions 1188 [2022-03-15 20:13:18,407 INFO L131 LiptonReduction]: Checked pairs total: 6024 [2022-03-15 20:13:18,408 INFO L133 LiptonReduction]: Total number of compositions: 53 [2022-03-15 20:13:18,422 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 31 transitions, 67 flow [2022-03-15 20:13:18,449 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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) [2022-03-15 20:13:18,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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) [2022-03-15 20:13:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-03-15 20:13:18,457 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:18,457 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:18,457 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:18,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:18,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1554573321, now seen corresponding path program 1 times [2022-03-15 20:13:18,476 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:18,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574208034] [2022-03-15 20:13:18,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:18,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:18,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:18,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574208034] [2022-03-15 20:13:18,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574208034] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:18,815 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:18,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:13:18,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [251660431] [2022-03-15 20:13:18,818 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:18,822 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:18,835 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2022-03-15 20:13:18,836 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:18,839 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:18,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:18,841 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:18,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:18,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:18,867 INFO L87 Difference]: Start difference. First operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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) Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-03-15 20:13:19,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:19,127 INFO L93 Difference]: Finished difference Result 315 states and 577 transitions. [2022-03-15 20:13:19,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:19,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) Word has length 8 [2022-03-15 20:13:19,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:19,140 INFO L225 Difference]: With dead ends: 315 [2022-03-15 20:13:19,140 INFO L226 Difference]: Without dead ends: 315 [2022-03-15 20:13:19,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:19,143 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 34 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:19,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 16 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:19,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-03-15 20:13:19,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 241. [2022-03-15 20:13:19,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 234 states have (on average 1.9059829059829059) internal successors, (446), 240 states have internal predecessors, (446), 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) [2022-03-15 20:13:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 446 transitions. [2022-03-15 20:13:19,199 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 446 transitions. Word has length 8 [2022-03-15 20:13:19,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:19,199 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 446 transitions. [2022-03-15 20:13:19,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-03-15 20:13:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 446 transitions. [2022-03-15 20:13:19,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-03-15 20:13:19,203 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:19,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:19,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:13:19,204 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:19,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:19,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1353488932, now seen corresponding path program 1 times [2022-03-15 20:13:19,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:19,206 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407967192] [2022-03-15 20:13:19,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:19,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:19,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:19,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:19,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407967192] [2022-03-15 20:13:19,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407967192] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:19,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:19,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:13:19,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1345541839] [2022-03-15 20:13:19,331 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:19,332 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:19,334 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2022-03-15 20:13:19,334 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:19,334 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:19,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:19,335 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:19,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:19,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:19,336 INFO L87 Difference]: Start difference. First operand 241 states and 446 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-03-15 20:13:19,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:19,526 INFO L93 Difference]: Finished difference Result 331 states and 605 transitions. [2022-03-15 20:13:19,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:19,526 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) Word has length 8 [2022-03-15 20:13:19,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:19,529 INFO L225 Difference]: With dead ends: 331 [2022-03-15 20:13:19,529 INFO L226 Difference]: Without dead ends: 331 [2022-03-15 20:13:19,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:19,530 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 30 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:19,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 16 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:19,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-03-15 20:13:19,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 257. [2022-03-15 20:13:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 250 states have (on average 1.896) internal successors, (474), 256 states have internal predecessors, (474), 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) [2022-03-15 20:13:19,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 474 transitions. [2022-03-15 20:13:19,545 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 474 transitions. Word has length 8 [2022-03-15 20:13:19,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:19,545 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 474 transitions. [2022-03-15 20:13:19,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-03-15 20:13:19,546 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 474 transitions. [2022-03-15 20:13:19,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 20:13:19,547 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:19,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:19,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 20:13:19,547 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:19,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:19,548 INFO L85 PathProgramCache]: Analyzing trace with hash 49971139, now seen corresponding path program 1 times [2022-03-15 20:13:19,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:19,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572845541] [2022-03-15 20:13:19,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:19,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:19,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:19,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:19,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572845541] [2022-03-15 20:13:19,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572845541] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:19,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:19,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:13:19,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1829210299] [2022-03-15 20:13:19,674 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:19,676 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:19,678 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2022-03-15 20:13:19,679 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:19,679 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:19,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:19,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:19,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:19,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:19,680 INFO L87 Difference]: Start difference. First operand 257 states and 474 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-03-15 20:13:19,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:19,868 INFO L93 Difference]: Finished difference Result 383 states and 709 transitions. [2022-03-15 20:13:19,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:19,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) Word has length 14 [2022-03-15 20:13:19,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:19,871 INFO L225 Difference]: With dead ends: 383 [2022-03-15 20:13:19,871 INFO L226 Difference]: Without dead ends: 371 [2022-03-15 20:13:19,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:19,873 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 27 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:19,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 16 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:19,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-03-15 20:13:19,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 286. [2022-03-15 20:13:19,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 279 states have (on average 1.8888888888888888) internal successors, (527), 285 states have internal predecessors, (527), 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) [2022-03-15 20:13:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 527 transitions. [2022-03-15 20:13:19,886 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 527 transitions. Word has length 14 [2022-03-15 20:13:19,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:19,887 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 527 transitions. [2022-03-15 20:13:19,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-03-15 20:13:19,894 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 527 transitions. [2022-03-15 20:13:19,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 20:13:19,899 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:19,899 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:19,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 20:13:19,899 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:19,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:19,900 INFO L85 PathProgramCache]: Analyzing trace with hash 892352628, now seen corresponding path program 1 times [2022-03-15 20:13:19,901 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:19,902 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049703501] [2022-03-15 20:13:19,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:19,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:20,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:20,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049703501] [2022-03-15 20:13:20,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049703501] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:20,007 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:20,007 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:13:20,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1737459155] [2022-03-15 20:13:20,007 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:20,009 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:20,011 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2022-03-15 20:13:20,011 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:20,011 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:20,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:20,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:20,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:20,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:20,012 INFO L87 Difference]: Start difference. First operand 286 states and 527 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-03-15 20:13:20,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:20,210 INFO L93 Difference]: Finished difference Result 403 states and 736 transitions. [2022-03-15 20:13:20,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:20,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) Word has length 14 [2022-03-15 20:13:20,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:20,214 INFO L225 Difference]: With dead ends: 403 [2022-03-15 20:13:20,215 INFO L226 Difference]: Without dead ends: 391 [2022-03-15 20:13:20,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:20,216 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:20,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 16 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:20,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2022-03-15 20:13:20,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 306. [2022-03-15 20:13:20,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 299 states have (on average 1.8662207357859533) internal successors, (558), 305 states have internal predecessors, (558), 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) [2022-03-15 20:13:20,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 558 transitions. [2022-03-15 20:13:20,229 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 558 transitions. Word has length 14 [2022-03-15 20:13:20,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:20,229 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 558 transitions. [2022-03-15 20:13:20,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-03-15 20:13:20,229 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 558 transitions. [2022-03-15 20:13:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 20:13:20,230 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:20,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:20,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 20:13:20,230 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:20,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:20,231 INFO L85 PathProgramCache]: Analyzing trace with hash 847804207, now seen corresponding path program 1 times [2022-03-15 20:13:20,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:20,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277616577] [2022-03-15 20:13:20,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:20,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:13:20,277 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 20:13:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:13:20,338 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 20:13:20,339 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 20:13:20,340 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-15 20:13:20,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-15 20:13:20,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-15 20:13:20,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-15 20:13:20,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-15 20:13:20,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-15 20:13:20,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-15 20:13:20,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 20:13:20,344 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-15 20:13:20,354 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:13:20,354 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:13:20,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:13:20 BasicIcfg [2022-03-15 20:13:20,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:13:20,401 INFO L158 Benchmark]: Toolchain (without parser) took 4515.05ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 134.2MB in the beginning and 195.4MB in the end (delta: -61.2MB). Peak memory consumption was 99.6MB. Max. memory is 8.0GB. [2022-03-15 20:13:20,402 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory was 152.6MB in the beginning and 152.5MB in the end (delta: 72.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:13:20,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.48ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 134.1MB in the beginning and 194.1MB in the end (delta: -60.0MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-03-15 20:13:20,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.99ms. Allocated memory is still 224.4MB. Free memory was 194.1MB in the beginning and 192.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:13:20,406 INFO L158 Benchmark]: Boogie Preprocessor took 34.10ms. Allocated memory is still 224.4MB. Free memory was 192.0MB in the beginning and 189.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:13:20,407 INFO L158 Benchmark]: RCFGBuilder took 434.26ms. Allocated memory is still 224.4MB. Free memory was 189.9MB in the beginning and 176.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-15 20:13:20,407 INFO L158 Benchmark]: TraceAbstraction took 3572.06ms. Allocated memory is still 224.4MB. Free memory was 175.8MB in the beginning and 195.4MB in the end (delta: -19.6MB). Peak memory consumption was 104.1MB. Max. memory is 8.0GB. [2022-03-15 20:13:20,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory was 152.6MB in the beginning and 152.5MB in the end (delta: 72.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 408.48ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 134.1MB in the beginning and 194.1MB in the end (delta: -60.0MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.99ms. Allocated memory is still 224.4MB. Free memory was 194.1MB in the beginning and 192.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.10ms. Allocated memory is still 224.4MB. Free memory was 192.0MB in the beginning and 189.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 434.26ms. Allocated memory is still 224.4MB. Free memory was 189.9MB in the beginning and 176.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3572.06ms. Allocated memory is still 224.4MB. Free memory was 175.8MB in the beginning and 195.4MB in the end (delta: -19.6MB). Peak memory consumption was 104.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.4s, 80 PlacesBefore, 35 PlacesAfterwards, 77 TransitionsBefore, 31 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 53 TotalNumberOfCompositions, 6024 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1016, positive: 670, positive conditional: 0, positive unconditional: 670, negative: 346, negative conditional: 0, negative unconditional: 346, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, positive: 429, positive conditional: 0, positive unconditional: 429, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1016, positive: 241, positive conditional: 0, positive unconditional: 241, negative: 300, negative conditional: 0, negative unconditional: 300, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - 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 - DataRaceFoundResult [Line: 694]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int data[10]; [L690] 0 int i = __VERIFIER_nondet_int(); [L691] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) [L691] RET 0 assume_abort_if_not(0 <= i && i < 10) [L692] 0 pthread_t id; [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i=4, id={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L694] EXPR 0 data[i] VAL [arg={0:0}, data={1:0}, data[i]=0, i=4, id={2:0}] [L694] 0 data[i]++ VAL [arg={0:0}, data={1:0}, data[i]=0, i=4, id={2:0}] [L686] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0data[4]++=41] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0, data[4]++=41, data[i]=0, i=4, id={2:0}] Now there is a data race (on the heap) between C: data[4]++ [686] and C: data[i]++ [694] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: 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. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 831 IncrementalHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 64 mSDtfsCounter, 831 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 318 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 could not prove your program: unable to determine feasibility of some traces [2022-03-15 20:13:20,467 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...