/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_43-thread_create_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 01:57:57,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 01:57:57,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 01:57:57,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 01:57:57,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 01:57:57,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 01:57:57,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 01:57:57,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 01:57:57,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 01:57:57,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 01:57:57,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 01:57:57,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 01:57:57,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 01:57:57,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 01:57:57,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 01:57:57,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 01:57:57,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 01:57:57,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 01:57:57,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 01:57:57,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 01:57:57,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 01:57:57,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 01:57:57,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 01:57:57,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 01:57:57,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 01:57:57,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 01:57:57,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 01:57:57,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 01:57:57,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 01:57:57,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 01:57:57,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 01:57:57,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 01:57:57,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 01:57:57,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 01:57:57,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 01:57:57,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 01:57:57,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 01:57:57,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 01:57:57,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 01:57:57,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 01:57:57,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 01:57:57,964 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-FA-NoLbe.epf [2022-02-09 01:57:57,999 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 01:57:57,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 01:57:58,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 01:57:58,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 01:57:58,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 01:57:58,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 01:57:58,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 01:57:58,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 01:57:58,002 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 01:57:58,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 01:57:58,003 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 01:57:58,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 01:57:58,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 01:57:58,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 01:57:58,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 01:57:58,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 01:57:58,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 01:57:58,004 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 01:57:58,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 01:57:58,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 01:57:58,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 01:57:58,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 01:57:58,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 01:57:58,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 01:57:58,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 01:57:58,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 01:57:58,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 01:57:58,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 01:57:58,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 01:57:58,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 01:57:58,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 01:57:58,006 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 01:57:58,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 01:57:58,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-09 01:57:58,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 01:57:58,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 01:57:58,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 01:57:58,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 01:57:58,272 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 01:57:58,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_43-thread_create_nr.i [2022-02-09 01:57:58,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc7b64092/949bb46496e7427eb66dbd8173a77640/FLAG36cac5973 [2022-02-09 01:57:58,827 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 01:57:58,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_43-thread_create_nr.i [2022-02-09 01:57:58,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc7b64092/949bb46496e7427eb66dbd8173a77640/FLAG36cac5973 [2022-02-09 01:57:59,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc7b64092/949bb46496e7427eb66dbd8173a77640 [2022-02-09 01:57:59,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 01:57:59,366 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 01:57:59,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 01:57:59,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 01:57:59,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 01:57:59,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:57:59" (1/1) ... [2022-02-09 01:57:59,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2671c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:59, skipping insertion in model container [2022-02-09 01:57:59,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:57:59" (1/1) ... [2022-02-09 01:57:59,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 01:57:59,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 01:57:59,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 01:57:59,920 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 01:57:59,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 01:58:00,026 INFO L208 MainTranslator]: Completed translation [2022-02-09 01:58:00,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00 WrapperNode [2022-02-09 01:58:00,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 01:58:00,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 01:58:00,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 01:58:00,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 01:58:00,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00" (1/1) ... [2022-02-09 01:58:00,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00" (1/1) ... [2022-02-09 01:58:00,089 INFO L137 Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-02-09 01:58:00,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 01:58:00,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 01:58:00,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 01:58:00,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 01:58:00,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00" (1/1) ... [2022-02-09 01:58:00,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00" (1/1) ... [2022-02-09 01:58:00,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00" (1/1) ... [2022-02-09 01:58:00,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00" (1/1) ... [2022-02-09 01:58:00,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00" (1/1) ... [2022-02-09 01:58:00,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00" (1/1) ... [2022-02-09 01:58:00,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00" (1/1) ... [2022-02-09 01:58:00,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 01:58:00,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 01:58:00,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 01:58:00,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 01:58:00,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00" (1/1) ... [2022-02-09 01:58:00,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 01:58:00,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:00,172 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 01:58:00,197 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 01:58:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 01:58:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 01:58:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 01:58:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 01:58:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 01:58:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 01:58:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 01:58:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 01:58:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 01:58:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 01:58:00,216 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 01:58:00,364 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 01:58:00,365 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 01:58:00,500 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 01:58:00,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 01:58:00,506 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 01:58:00,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:58:00 BoogieIcfgContainer [2022-02-09 01:58:00,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 01:58:00,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 01:58:00,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 01:58:00,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 01:58:00,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 01:57:59" (1/3) ... [2022-02-09 01:58:00,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dffaa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:58:00, skipping insertion in model container [2022-02-09 01:58:00,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:00" (2/3) ... [2022-02-09 01:58:00,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dffaa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:58:00, skipping insertion in model container [2022-02-09 01:58:00,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:58:00" (3/3) ... [2022-02-09 01:58:00,516 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_43-thread_create_nr.i [2022-02-09 01:58:00,523 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 01:58:00,523 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 01:58:00,523 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-02-09 01:58:00,524 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 01:58:00,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,548 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,548 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,548 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,549 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,557 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,557 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:00,559 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 01:58:00,598 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 01:58:00,603 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 01:58:00,605 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-02-09 01:58:00,615 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 81 transitions, 167 flow [2022-02-09 01:58:00,662 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 321 states, 310 states have (on average 1.8064516129032258) internal successors, (560), 320 states have internal predecessors, (560), 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 01:58:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 321 states, 310 states have (on average 1.8064516129032258) internal successors, (560), 320 states have internal predecessors, (560), 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 01:58:00,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-09 01:58:00,675 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:00,676 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:00,677 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-02-09 01:58:00,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:00,685 INFO L85 PathProgramCache]: Analyzing trace with hash 2108077353, now seen corresponding path program 1 times [2022-02-09 01:58:00,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:00,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673819476] [2022-02-09 01:58:00,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:00,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:00,906 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:00,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673819476] [2022-02-09 01:58:00,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673819476] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:00,907 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:00,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 01:58:00,909 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483816859] [2022-02-09 01:58:00,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:00,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 01:58:00,914 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:00,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 01:58:00,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:00,949 INFO L87 Difference]: Start difference. First operand has 321 states, 310 states have (on average 1.8064516129032258) internal successors, (560), 320 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 01:58:01,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:01,013 INFO L93 Difference]: Finished difference Result 320 states and 559 transitions. [2022-02-09 01:58:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 01:58:01,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-02-09 01:58:01,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:01,035 INFO L225 Difference]: With dead ends: 320 [2022-02-09 01:58:01,035 INFO L226 Difference]: Without dead ends: 320 [2022-02-09 01:58:01,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:01,045 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 1 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:01,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 144 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:01,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-02-09 01:58:01,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2022-02-09 01:58:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 310 states have (on average 1.803225806451613) internal successors, (559), 319 states have internal predecessors, (559), 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 01:58:01,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 559 transitions. [2022-02-09 01:58:01,118 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 559 transitions. Word has length 31 [2022-02-09 01:58:01,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:01,118 INFO L470 AbstractCegarLoop]: Abstraction has 320 states and 559 transitions. [2022-02-09 01:58:01,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 01:58:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 559 transitions. [2022-02-09 01:58:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-09 01:58:01,119 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:01,119 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:01,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 01:58:01,120 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-02-09 01:58:01,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:01,121 INFO L85 PathProgramCache]: Analyzing trace with hash 720751951, now seen corresponding path program 1 times [2022-02-09 01:58:01,121 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:01,121 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819456374] [2022-02-09 01:58:01,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:01,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:01,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:01,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819456374] [2022-02-09 01:58:01,208 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819456374] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:01,208 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:01,208 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 01:58:01,208 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253517452] [2022-02-09 01:58:01,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:01,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 01:58:01,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:01,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 01:58:01,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:01,210 INFO L87 Difference]: Start difference. First operand 320 states and 559 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 01:58:01,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:01,255 INFO L93 Difference]: Finished difference Result 299 states and 519 transitions. [2022-02-09 01:58:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 01:58:01,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-09 01:58:01,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:01,258 INFO L225 Difference]: With dead ends: 299 [2022-02-09 01:58:01,258 INFO L226 Difference]: Without dead ends: 299 [2022-02-09 01:58:01,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:01,259 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 25 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:01,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 155 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:01,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-02-09 01:58:01,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2022-02-09 01:58:01,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 293 states have (on average 1.7713310580204777) internal successors, (519), 298 states have internal predecessors, (519), 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 01:58:01,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 519 transitions. [2022-02-09 01:58:01,291 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 519 transitions. Word has length 34 [2022-02-09 01:58:01,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:01,292 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 519 transitions. [2022-02-09 01:58:01,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 01:58:01,292 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 519 transitions. [2022-02-09 01:58:01,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-09 01:58:01,293 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:01,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:01,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 01:58:01,294 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-02-09 01:58:01,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:01,294 INFO L85 PathProgramCache]: Analyzing trace with hash -169056377, now seen corresponding path program 1 times [2022-02-09 01:58:01,294 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:01,295 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154611943] [2022-02-09 01:58:01,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:01,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:01,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:01,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:01,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154611943] [2022-02-09 01:58:01,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154611943] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:01,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:01,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 01:58:01,329 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981516544] [2022-02-09 01:58:01,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:01,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 01:58:01,330 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:01,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 01:58:01,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:01,331 INFO L87 Difference]: Start difference. First operand 299 states and 519 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 01:58:01,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:01,356 INFO L93 Difference]: Finished difference Result 298 states and 518 transitions. [2022-02-09 01:58:01,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 01:58:01,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-09 01:58:01,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:01,361 INFO L225 Difference]: With dead ends: 298 [2022-02-09 01:58:01,362 INFO L226 Difference]: Without dead ends: 298 [2022-02-09 01:58:01,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:01,363 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 1 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:01,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 137 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:01,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-02-09 01:58:01,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2022-02-09 01:58:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 293 states have (on average 1.7679180887372015) internal successors, (518), 297 states have internal predecessors, (518), 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 01:58:01,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 518 transitions. [2022-02-09 01:58:01,373 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 518 transitions. Word has length 38 [2022-02-09 01:58:01,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:01,373 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 518 transitions. [2022-02-09 01:58:01,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 01:58:01,373 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 518 transitions. [2022-02-09 01:58:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-09 01:58:01,374 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:01,375 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:01,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 01:58:01,378 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-02-09 01:58:01,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:01,379 INFO L85 PathProgramCache]: Analyzing trace with hash -628603746, now seen corresponding path program 1 times [2022-02-09 01:58:01,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:01,379 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648602955] [2022-02-09 01:58:01,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:01,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:01,431 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:01,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648602955] [2022-02-09 01:58:01,432 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648602955] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:01,432 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:01,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 01:58:01,432 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041706057] [2022-02-09 01:58:01,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:01,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 01:58:01,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:01,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 01:58:01,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:01,434 INFO L87 Difference]: Start difference. First operand 298 states and 518 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 01:58:01,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:01,445 INFO L93 Difference]: Finished difference Result 283 states and 489 transitions. [2022-02-09 01:58:01,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 01:58:01,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-02-09 01:58:01,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:01,448 INFO L225 Difference]: With dead ends: 283 [2022-02-09 01:58:01,448 INFO L226 Difference]: Without dead ends: 283 [2022-02-09 01:58:01,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:01,449 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 18 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:01,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 151 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:01,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2022-02-09 01:58:01,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2022-02-09 01:58:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 280 states have (on average 1.7464285714285714) internal successors, (489), 282 states have internal predecessors, (489), 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 01:58:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 489 transitions. [2022-02-09 01:58:01,461 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 489 transitions. Word has length 47 [2022-02-09 01:58:01,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:01,464 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 489 transitions. [2022-02-09 01:58:01,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 01:58:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 489 transitions. [2022-02-09 01:58:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-09 01:58:01,470 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:01,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:01,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 01:58:01,472 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-02-09 01:58:01,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:01,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1394129420, now seen corresponding path program 1 times [2022-02-09 01:58:01,475 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:01,476 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838343022] [2022-02-09 01:58:01,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:01,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:01,557 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:01,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838343022] [2022-02-09 01:58:01,558 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838343022] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:01,558 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:01,558 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 01:58:01,558 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212039587] [2022-02-09 01:58:01,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:01,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 01:58:01,559 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:01,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 01:58:01,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:01,560 INFO L87 Difference]: Start difference. First operand 283 states and 489 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:01,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:01,578 INFO L93 Difference]: Finished difference Result 264 states and 452 transitions. [2022-02-09 01:58:01,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 01:58:01,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-02-09 01:58:01,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:01,579 INFO L225 Difference]: With dead ends: 264 [2022-02-09 01:58:01,580 INFO L226 Difference]: Without dead ends: 183 [2022-02-09 01:58:01,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:01,581 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 19 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:01,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 153 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:01,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-02-09 01:58:01,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-02-09 01:58:01,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 182 states have (on average 1.6428571428571428) internal successors, (299), 182 states have internal predecessors, (299), 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 01:58:01,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 299 transitions. [2022-02-09 01:58:01,586 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 299 transitions. Word has length 52 [2022-02-09 01:58:01,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:01,586 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 299 transitions. [2022-02-09 01:58:01,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 299 transitions. [2022-02-09 01:58:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-09 01:58:01,587 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:01,588 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:01,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 01:58:01,588 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-02-09 01:58:01,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:01,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1725996845, now seen corresponding path program 1 times [2022-02-09 01:58:01,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:01,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329995160] [2022-02-09 01:58:01,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:01,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:01,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:01,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329995160] [2022-02-09 01:58:01,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329995160] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:01,644 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:01,644 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 01:58:01,644 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310489852] [2022-02-09 01:58:01,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:01,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 01:58:01,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:01,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 01:58:01,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:01,645 INFO L87 Difference]: Start difference. First operand 183 states and 299 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:01,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:01,659 INFO L93 Difference]: Finished difference Result 169 states and 272 transitions. [2022-02-09 01:58:01,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 01:58:01,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-02-09 01:58:01,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:01,660 INFO L225 Difference]: With dead ends: 169 [2022-02-09 01:58:01,660 INFO L226 Difference]: Without dead ends: 0 [2022-02-09 01:58:01,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:01,661 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 13 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:01,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 132 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:01,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-09 01:58:01,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-09 01:58:01,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 01:58:01,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-09 01:58:01,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2022-02-09 01:58:01,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:01,670 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-09 01:58:01,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-09 01:58:01,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-09 01:58:01,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-02-09 01:58:01,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-02-09 01:58:01,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-02-09 01:58:01,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2022-02-09 01:58:01,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-02-09 01:58:01,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 10 remaining) [2022-02-09 01:58:01,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-02-09 01:58:01,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-02-09 01:58:01,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-02-09 01:58:01,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-02-09 01:58:01,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-09 01:58:01,682 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-09 01:58:01,686 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 01:58:01,686 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 01:58:01,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 01:58:01 BasicIcfg [2022-02-09 01:58:01,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 01:58:01,695 INFO L158 Benchmark]: Toolchain (without parser) took 2328.20ms. Allocated memory is still 163.6MB. Free memory was 141.4MB in the beginning and 102.3MB in the end (delta: 39.1MB). Peak memory consumption was 38.4MB. Max. memory is 8.0GB. [2022-02-09 01:58:01,695 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 01:58:01,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.52ms. Allocated memory is still 163.6MB. Free memory was 141.1MB in the beginning and 126.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-09 01:58:01,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.41ms. Allocated memory is still 163.6MB. Free memory was 126.4MB in the beginning and 124.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 01:58:01,696 INFO L158 Benchmark]: Boogie Preprocessor took 32.20ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 122.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 01:58:01,696 INFO L158 Benchmark]: RCFGBuilder took 383.79ms. Allocated memory is still 163.6MB. Free memory was 122.8MB in the beginning and 110.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-09 01:58:01,698 INFO L158 Benchmark]: TraceAbstraction took 1185.43ms. Allocated memory is still 163.6MB. Free memory was 110.2MB in the beginning and 102.3MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-09 01:58:01,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 659.52ms. Allocated memory is still 163.6MB. Free memory was 141.1MB in the beginning and 126.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.41ms. Allocated memory is still 163.6MB. Free memory was 126.4MB in the beginning and 124.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.20ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 122.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 383.79ms. Allocated memory is still 163.6MB. Free memory was 122.8MB in the beginning and 110.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1185.43ms. Allocated memory is still 163.6MB. Free memory was 110.2MB in the beginning and 102.3MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 99 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 872 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 497 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=321occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-09 01:58:01,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...