/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 08:18:17,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 08:18:17,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 08:18:17,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 08:18:17,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 08:18:17,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 08:18:17,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 08:18:17,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 08:18:17,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 08:18:17,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 08:18:17,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 08:18:17,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 08:18:17,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 08:18:17,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 08:18:17,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 08:18:17,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 08:18:17,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 08:18:17,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 08:18:17,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 08:18:17,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 08:18:17,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 08:18:17,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 08:18:17,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 08:18:17,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 08:18:17,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 08:18:17,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 08:18:17,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 08:18:17,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 08:18:17,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 08:18:17,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 08:18:17,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 08:18:17,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 08:18:17,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 08:18:17,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 08:18:17,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 08:18:17,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 08:18:17,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 08:18:17,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 08:18:17,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 08:18:17,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 08:18:17,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 08:18:17,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-09 08:18:17,706 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 08:18:17,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 08:18:17,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 08:18:17,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 08:18:17,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 08:18:17,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 08:18:17,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 08:18:17,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 08:18:17,708 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 08:18:17,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 08:18:17,708 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 08:18:17,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 08:18:17,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 08:18:17,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 08:18:17,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 08:18:17,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 08:18:17,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 08:18:17,709 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 08:18:17,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 08:18:17,710 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 08:18:17,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 08:18:17,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 08:18:17,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 08:18:17,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 08:18:17,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 08:18:17,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 08:18:17,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 08:18:17,711 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 08:18:17,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 08:18:17,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 08:18:17,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 08:18:17,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 08:18:17,712 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 08:18:17,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 08:18:17,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 08:18:17,712 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 08:18:17,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 08:18:17,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 08:18:17,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 08:18:17,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 08:18:17,950 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 08:18:17,962 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 08:18:17,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2022-02-09 08:18:18,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75ae6ef63/a8467138993b4bb28408c1c2e7e3bce3/FLAG5b1a40e49 [2022-02-09 08:18:18,429 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 08:18:18,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2022-02-09 08:18:18,430 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-09 08:18:18,431 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-09 08:18:18,431 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-09 08:18:18,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75ae6ef63/a8467138993b4bb28408c1c2e7e3bce3/FLAG5b1a40e49 [2022-02-09 08:18:18,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75ae6ef63/a8467138993b4bb28408c1c2e7e3bce3 [2022-02-09 08:18:18,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 08:18:18,473 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 08:18:18,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 08:18:18,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 08:18:18,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 08:18:18,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cccb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18, skipping insertion in model container [2022-02-09 08:18:18,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 08:18:18,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 08:18:18,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 08:18:18,663 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 08:18:18,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 08:18:18,681 INFO L208 MainTranslator]: Completed translation [2022-02-09 08:18:18,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18 WrapperNode [2022-02-09 08:18:18,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 08:18:18,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 08:18:18,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 08:18:18,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 08:18:18,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,707 INFO L137 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-02-09 08:18:18,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 08:18:18,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 08:18:18,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 08:18:18,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 08:18:18,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 08:18:18,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 08:18:18,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 08:18:18,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 08:18:18,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18" (1/1) ... [2022-02-09 08:18:18,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 08:18:18,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 08:18:18,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 08:18:18,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 08:18:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 08:18:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 08:18:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 08:18:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 08:18:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 08:18:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 08:18:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2022-02-09 08:18:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2022-02-09 08:18:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 08:18:18,810 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 08:18:18,890 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 08:18:18,891 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 08:18:19,010 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 08:18:19,014 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 08:18:19,014 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-09 08:18:19,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 08:18:19 BoogieIcfgContainer [2022-02-09 08:18:19,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 08:18:19,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 08:18:19,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 08:18:19,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 08:18:19,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 08:18:18" (1/3) ... [2022-02-09 08:18:19,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515f9ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 08:18:19, skipping insertion in model container [2022-02-09 08:18:19,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:18:18" (2/3) ... [2022-02-09 08:18:19,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515f9ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 08:18:19, skipping insertion in model container [2022-02-09 08:18:19,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 08:18:19" (3/3) ... [2022-02-09 08:18:19,021 INFO L111 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2022-02-09 08:18:19,024 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 08:18:19,024 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 08:18:19,024 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 08:18:19,024 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 08:18:19,044 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,044 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,045 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,045 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,045 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,045 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,045 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,045 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,046 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,046 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,046 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,046 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,046 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,046 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,046 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,046 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,047 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,047 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,047 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,047 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,048 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,048 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,048 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,048 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,052 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,052 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,052 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,052 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,052 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,052 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,053 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,053 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,053 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,053 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,053 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,054 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,054 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,054 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,054 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,054 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,055 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,055 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,057 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,058 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,058 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,058 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,058 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,058 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,058 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,058 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,059 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,059 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,059 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,059 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,062 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-09 08:18:19,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 08:18:19,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 08:18:19,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 08:18:19,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 08:18:19,142 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 08:18:19,147 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 08:18:19,147 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-09 08:18:19,198 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-02-09 08:18:19,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 08:18:19,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1142084012, now seen corresponding path program 1 times [2022-02-09 08:18:19,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 08:18:19,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443984611] [2022-02-09 08:18:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:18:19,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 08:18:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 08:18:19,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 08:18:19,467 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 08:18:19,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443984611] [2022-02-09 08:18:19,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443984611] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 08:18:19,468 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 08:18:19,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 08:18:19,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069069655] [2022-02-09 08:18:19,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 08:18:19,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 08:18:19,474 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 08:18:19,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 08:18:19,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-09 08:18:19,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:18:19,493 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 08:18:19,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 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) [2022-02-09 08:18:19,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:18:19,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 08:18:19,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 08:18:19,556 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-02-09 08:18:19,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 08:18:19,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1949619362, now seen corresponding path program 1 times [2022-02-09 08:18:19,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 08:18:19,562 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253266077] [2022-02-09 08:18:19,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:18:19,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 08:18:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 08:18:19,597 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 08:18:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 08:18:19,660 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 08:18:19,660 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 08:18:19,661 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2022-02-09 08:18:19,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (1 of 3 remaining) [2022-02-09 08:18:19,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (0 of 3 remaining) [2022-02-09 08:18:19,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 08:18:19,668 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-09 08:18:19,669 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-09 08:18:19,669 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-09 08:18:19,688 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,688 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,688 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,688 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,689 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,691 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,691 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,691 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,692 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,692 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,692 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,692 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,693 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,693 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,693 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,693 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,694 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,694 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,694 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,694 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,695 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,695 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,695 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,695 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,697 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,697 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,697 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,697 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,697 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,697 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,698 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,698 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,698 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,698 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,698 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,698 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,698 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,698 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,699 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,699 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,699 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,699 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,699 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,699 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,699 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,699 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,699 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,700 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,700 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,700 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,700 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,700 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,700 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,701 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,701 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,701 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,701 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,702 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,702 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,702 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,703 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,703 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,703 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,703 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,703 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,703 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,703 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,703 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,703 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,704 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,704 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,704 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,704 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,704 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,704 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,704 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,704 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,705 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,705 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,705 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,705 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,705 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,705 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,705 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:18:19,710 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 08:18:19,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 08:18:19,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 08:18:19,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 08:18:19,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-02-09 08:18:19,758 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 08:18:19,759 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 08:18:19,759 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 08:18:19,767 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-02-09 08:18:19,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 08:18:19,767 INFO L85 PathProgramCache]: Analyzing trace with hash 863289440, now seen corresponding path program 1 times [2022-02-09 08:18:19,767 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 08:18:19,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959409141] [2022-02-09 08:18:19,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:18:19,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 08:18:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 08:18:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 08:18:19,830 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 08:18:19,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959409141] [2022-02-09 08:18:19,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959409141] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 08:18:19,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 08:18:19,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 08:18:19,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576277054] [2022-02-09 08:18:19,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 08:18:19,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 08:18:19,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 08:18:19,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 08:18:19,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-09 08:18:19,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:18:19,831 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 08:18:19,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 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) [2022-02-09 08:18:19,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:18:19,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 08:18:19,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 08:18:19,878 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-02-09 08:18:19,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 08:18:19,879 INFO L85 PathProgramCache]: Analyzing trace with hash -446158857, now seen corresponding path program 1 times [2022-02-09 08:18:19,879 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 08:18:19,879 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556460128] [2022-02-09 08:18:19,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:18:19,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 08:18:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 08:18:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 08:18:20,204 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 08:18:20,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556460128] [2022-02-09 08:18:20,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556460128] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 08:18:20,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208961047] [2022-02-09 08:18:20,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:18:20,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 08:18:20,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 08:18:20,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 08:18:20,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 08:18:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 08:18:20,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-09 08:18:20,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 08:18:20,423 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 08:18:20,444 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-09 08:18:20,444 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-09 08:18:20,468 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 08:18:20,515 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-09 08:18:20,602 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-02-09 08:18:20,660 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-09 08:18:20,762 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-02-09 08:18:20,778 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-09 08:18:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 08:18:20,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 08:18:20,941 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1)) is different from false [2022-02-09 08:18:20,977 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_66 Int)) (or (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (not (<= v_ArrVal_66 (+ |c_ULTIMATE.start_main_#t~post7#1| 1))))) is different from false [2022-02-09 08:18:20,988 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_66 Int)) (or (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (< (+ |c_ULTIMATE.start_main_#t~mem6#1| 1) v_ArrVal_66))) is different from false [2022-02-09 08:18:21,000 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_66 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base|))) (or (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (< (+ (select .cse0 |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) v_ArrVal_66)))) is different from false [2022-02-09 08:18:21,047 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_66 Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_64))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#i~0#1.base|))) (or (<= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (< (+ (select .cse1 |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) v_ArrVal_66))))) is different from false [2022-02-09 08:18:21,125 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 08:18:21,126 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 45 [2022-02-09 08:18:21,132 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2022-02-09 08:18:21,149 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2022-02-09 08:18:21,152 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-02-09 08:18:21,190 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 18 not checked. [2022-02-09 08:18:21,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208961047] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 08:18:21,190 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 08:18:21,190 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 14] total 31 [2022-02-09 08:18:21,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765565795] [2022-02-09 08:18:21,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 08:18:21,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-09 08:18:21,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 08:18:21,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-09 08:18:21,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=530, Unknown=5, NotChecked=260, Total=930 [2022-02-09 08:18:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:18:21,193 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 08:18:21,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.096774193548387) internal successors, (158), 31 states have internal predecessors, (158), 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) [2022-02-09 08:18:21,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 08:18:21,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:18:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 08:18:25,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 08:18:25,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-09 08:18:26,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 08:18:26,168 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-02-09 08:18:26,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 08:18:26,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1003066077, now seen corresponding path program 1 times [2022-02-09 08:18:26,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 08:18:26,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206490261] [2022-02-09 08:18:26,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:18:26,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 08:18:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 08:18:26,199 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 08:18:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 08:18:26,218 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 08:18:26,219 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 08:18:26,219 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location myThreadErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-09 08:18:26,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 08:18:26,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (1 of 4 remaining) [2022-02-09 08:18:26,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (0 of 4 remaining) [2022-02-09 08:18:26,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 08:18:26,220 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-09 08:18:26,223 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-02-09 08:18:26,223 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 08:18:26,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 08:18:26 BasicIcfg [2022-02-09 08:18:26,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 08:18:26,271 INFO L158 Benchmark]: Toolchain (without parser) took 7797.36ms. Allocated memory was 222.3MB in the beginning and 269.5MB in the end (delta: 47.2MB). Free memory was 163.7MB in the beginning and 122.5MB in the end (delta: 41.2MB). Peak memory consumption was 89.3MB. Max. memory is 8.0GB. [2022-02-09 08:18:26,271 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 222.3MB. Free memory is still 181.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 08:18:26,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.52ms. Allocated memory was 222.3MB in the beginning and 269.5MB in the end (delta: 47.2MB). Free memory was 163.6MB in the beginning and 240.1MB in the end (delta: -76.5MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2022-02-09 08:18:26,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.09ms. Allocated memory is still 269.5MB. Free memory was 240.1MB in the beginning and 239.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 08:18:26,272 INFO L158 Benchmark]: Boogie Preprocessor took 27.28ms. Allocated memory is still 269.5MB. Free memory was 239.0MB in the beginning and 237.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 08:18:26,272 INFO L158 Benchmark]: RCFGBuilder took 279.50ms. Allocated memory is still 269.5MB. Free memory was 237.4MB in the beginning and 225.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-09 08:18:26,272 INFO L158 Benchmark]: TraceAbstraction took 7253.50ms. Allocated memory is still 269.5MB. Free memory was 225.4MB in the beginning and 122.5MB in the end (delta: 102.9MB). Peak memory consumption was 103.4MB. Max. memory is 8.0GB. [2022-02-09 08:18:26,273 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 222.3MB. Free memory is still 181.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 207.52ms. Allocated memory was 222.3MB in the beginning and 269.5MB in the end (delta: 47.2MB). Free memory was 163.6MB in the beginning and 240.1MB in the end (delta: -76.5MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.09ms. Allocated memory is still 269.5MB. Free memory was 240.1MB in the beginning and 239.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.28ms. Allocated memory is still 269.5MB. Free memory was 239.0MB in the beginning and 237.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 279.50ms. Allocated memory is still 269.5MB. Free memory was 237.4MB in the beginning and 225.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 7253.50ms. Allocated memory is still 269.5MB. Free memory was 225.4MB in the beginning and 122.5MB in the end (delta: 102.9MB). Peak memory consumption was 103.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 89, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 71, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 84, positive: 84, positive conditional: 16, positive unconditional: 68, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 16, positive unconditional: 68, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 71, positive: 71, positive conditional: 16, positive unconditional: 55, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 71, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 84, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 71, unknown conditional: 16, unknown unconditional: 55] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 16, Positive unconditional cache size: 55, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 0, Independence queries for same thread: 5 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 197, positive: 184, positive conditional: 184, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184, positive: 184, positive conditional: 184, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 184, positive: 184, positive conditional: 184, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184, positive: 184, positive conditional: 157, positive unconditional: 27, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 184, positive: 184, positive conditional: 61, positive unconditional: 123, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 184, positive: 184, positive conditional: 61, positive unconditional: 123, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 131, positive: 131, positive conditional: 26, positive unconditional: 105, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 131, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 184, positive: 53, positive conditional: 35, positive unconditional: 18, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 131, unknown conditional: 26, unknown unconditional: 105] , Statistics on independence cache: Total cache size (in pairs): 131, Positive cache size: 131, Positive conditional cache size: 26, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 96, Maximal queried relation: 0, Independence queries for same thread: 13 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 25]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int g = 0; VAL [g=0] [L21] 0 static int s = 0; VAL [g=0, s=0] [L30] 0 int i; VAL [g=0, i={5:0}, s=0] [L31] 0 pthread_t tid; VAL [g=0, i={5:0}, s=0, tid={3:0}] [L34] 0 i = 0 VAL [g=0, i={5:0}, s=0, tid={3:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=0, g=0, i={5:0}, s=0, tid={3:0}] [L34] COND TRUE 0 i < 3 VAL [\read(i)=0, g=0, i={5:0}, s=0, tid={3:0}] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, i={5:0}, pthread_create(&tid, NULL, myThread, (void *)&i)=-2, s=0, tid={3:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=0, g=0, i={5:0}, s=0, tid={3:0}, vargp={5:0}] [L34] 0 i++ VAL [\read(i)=0, g=0, i={5:0}, i++=0, s=0, tid={3:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=1, g=0, i={5:0}, s=0, tid={3:0}, vargp={5:0}] [L34] COND TRUE 0 i < 3 VAL [\read(i)=1, g=0, i={5:0}, s=0, tid={3:0}, vargp={5:0}] [L20] 1 int *myid = (int *)vargp; VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L22] 1 ++s VAL [g=0, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L22] 1 ++g VAL [g=1, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L24] 1 \read(*myid) VAL [\read(*myid)=1, g=1, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L24] 1 ++s VAL [++s=2, \read(*myid)=1, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L24] 1 ++g VAL [++g=2, ++s=2, \read(*myid)=1, g=2, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L25] 1 CodeAnnotStmt[Assertion] VAL [g=2, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=2, i={5:0}, myid={5:0}, pthread_create(&tid, NULL, myThread, (void *)&i)=-1, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=1, g=2, i={5:0}, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] 0 i++ VAL [\read(i)=1, g=2, i={5:0}, i++=1, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=2, g=2, i={5:0}, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] COND TRUE 0 i < 3 VAL [\read(i)=2, g=2, i={5:0}, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L20] 2 int *myid = (int *)vargp; VAL [g=2, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L22] 2 ++s VAL [g=2, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L22] 2 ++g VAL [g=3, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L24] 2 \read(*myid) VAL [\read(*myid)=2, g=3, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L24] 2 ++s VAL [++s=4, \read(*myid)=2, g=3, myid={5:0}, s=4, vargp={5:0}, vargp={5:0}] [L24] 2 ++g VAL [++g=4, ++s=4, \read(*myid)=2, g=4, myid={5:0}, s=4, vargp={5:0}, vargp={5:0}] [L25] 2 CodeAnnotStmt[Assertion] VAL [g=4, myid={5:0}, s=4, vargp={5:0}, vargp={5:0}] - UnprovableResult [Line: 35]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 105 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 4.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 295 ConstructedInterpolants, 20 QuantifiedInterpolants, 2031 SizeOfPredicates, 10 NumberOfNonLiveVariables, 187 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-09 08:18:26,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-02-09 08:18:26,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-09 08:18:26,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...