/usr/bin/java -Xmx16000000000 -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 -i ../../../trunk/examples/svcomp/pthread-atomic/dekker.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-17 22:37:22,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-17 22:37:22,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-17 22:37:22,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-17 22:37:22,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-17 22:37:22,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-17 22:37:22,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-17 22:37:22,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-17 22:37:22,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-17 22:37:22,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-17 22:37:22,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-17 22:37:22,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-17 22:37:22,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-17 22:37:22,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-17 22:37:22,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-17 22:37:22,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-17 22:37:22,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-17 22:37:22,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-17 22:37:22,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-17 22:37:22,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-17 22:37:22,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-17 22:37:22,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-17 22:37:22,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-17 22:37:22,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-17 22:37:22,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-17 22:37:22,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-17 22:37:22,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-17 22:37:22,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-17 22:37:22,920 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 [2022-01-17 22:37:22,948 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-17 22:37:22,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-17 22:37:22,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-17 22:37:22,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-17 22:37:22,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-17 22:37:22,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-17 22:37:22,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-17 22:37:22,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-17 22:37:22,950 INFO L138 SettingsManager]: * Use SBE=true [2022-01-17 22:37:22,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-17 22:37:22,951 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-17 22:37:22,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-17 22:37:22,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-17 22:37:22,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-17 22:37:22,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-17 22:37:22,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-17 22:37:22,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-17 22:37:22,952 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-17 22:37:22,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-17 22:37:22,952 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-17 22:37:22,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-17 22:37:22,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-17 22:37:22,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-17 22:37:22,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-17 22:37:22,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-17 22:37:22,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:37:22,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-17 22:37:22,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-17 22:37:22,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-17 22:37:22,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-17 22:37:22,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-17 22:37:22,955 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-17 22:37:22,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-17 22:37:22,956 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-17 22:37:23,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-17 22:37:23,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-17 22:37:23,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-17 22:37:23,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-17 22:37:23,226 INFO L275 PluginConnector]: CDTParser initialized [2022-01-17 22:37:23,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/dekker.i [2022-01-17 22:37:23,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3900f19c/14778c1fe91e48c2a1d6bcdffa3c6ff6/FLAG9fe45a46f [2022-01-17 22:37:23,702 INFO L306 CDTParser]: Found 1 translation units. [2022-01-17 22:37:23,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i [2022-01-17 22:37:23,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3900f19c/14778c1fe91e48c2a1d6bcdffa3c6ff6/FLAG9fe45a46f [2022-01-17 22:37:24,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3900f19c/14778c1fe91e48c2a1d6bcdffa3c6ff6 [2022-01-17 22:37:24,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-17 22:37:24,056 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-17 22:37:24,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-17 22:37:24,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-17 22:37:24,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-17 22:37:24,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f6261f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24, skipping insertion in model container [2022-01-17 22:37:24,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-17 22:37:24,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-17 22:37:24,256 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-01-17 22:37:24,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[31403,31416] [2022-01-17 22:37:24,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[32483,32496] [2022-01-17 22:37:24,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:37:24,361 INFO L203 MainTranslator]: Completed pre-run [2022-01-17 22:37:24,373 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-01-17 22:37:24,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[31403,31416] [2022-01-17 22:37:24,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[32483,32496] [2022-01-17 22:37:24,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:37:24,438 INFO L208 MainTranslator]: Completed translation [2022-01-17 22:37:24,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24 WrapperNode [2022-01-17 22:37:24,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-17 22:37:24,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-17 22:37:24,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-17 22:37:24,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-17 22:37:24,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,490 INFO L137 Inliner]: procedures = 172, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2022-01-17 22:37:24,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-17 22:37:24,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-17 22:37:24,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-17 22:37:24,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-17 22:37:24,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-17 22:37:24,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-17 22:37:24,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-17 22:37:24,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-17 22:37:24,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24" (1/1) ... [2022-01-17 22:37:24,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:37:24,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:37:24,564 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) [2022-01-17 22:37:24,590 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 [2022-01-17 22:37:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-17 22:37:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-01-17 22:37:24,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-01-17 22:37:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-01-17 22:37:24,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-01-17 22:37:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-17 22:37:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-17 22:37:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-17 22:37:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-17 22:37:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-17 22:37:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-17 22:37:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-17 22:37:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-17 22:37:24,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-17 22:37:24,614 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-17 22:37:24,759 INFO L234 CfgBuilder]: Building ICFG [2022-01-17 22:37:24,760 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-17 22:37:24,958 INFO L275 CfgBuilder]: Performing block encoding [2022-01-17 22:37:24,967 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-17 22:37:24,967 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-17 22:37:24,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:37:24 BoogieIcfgContainer [2022-01-17 22:37:24,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-17 22:37:24,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-17 22:37:24,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-17 22:37:24,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-17 22:37:24,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.01 10:37:24" (1/3) ... [2022-01-17 22:37:24,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583438dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:37:24, skipping insertion in model container [2022-01-17 22:37:24,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:24" (2/3) ... [2022-01-17 22:37:24,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583438dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:37:24, skipping insertion in model container [2022-01-17 22:37:24,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:37:24" (3/3) ... [2022-01-17 22:37:24,978 INFO L111 eAbstractionObserver]: Analyzing ICFG dekker.i [2022-01-17 22:37:24,983 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-17 22:37:24,983 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-17 22:37:24,983 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-17 22:37:24,983 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-17 22:37:25,031 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,032 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,032 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,032 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,032 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,032 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,033 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,033 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,033 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,034 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,034 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,034 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,034 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,035 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,035 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,036 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,036 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,037 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,037 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,037 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,037 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,038 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,038 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,039 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,039 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,039 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,039 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,039 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,039 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,040 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,040 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,040 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,041 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,041 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,042 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,042 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,044 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,044 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,046 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,046 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,046 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,046 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,047 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,047 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,047 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,048 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,048 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,048 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,048 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,048 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,049 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,049 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,049 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,050 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,052 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,052 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,052 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,053 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,053 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,053 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,053 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,053 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,053 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,053 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,053 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,054 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,054 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,054 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,059 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,060 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,060 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,060 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,060 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,060 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,063 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,063 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,063 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,064 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,065 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,065 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:25,070 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-17 22:37:25,117 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 22:37:25,129 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, 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 [2022-01-17 22:37:25,129 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-17 22:37:25,144 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 106 transitions, 228 flow [2022-01-17 22:37:25,267 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1867 states, 1864 states have (on average 3.109442060085837) internal successors, (5796), 1866 states have internal predecessors, (5796), 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) [2022-01-17 22:37:25,276 INFO L276 IsEmpty]: Start isEmpty. Operand has 1867 states, 1864 states have (on average 3.109442060085837) internal successors, (5796), 1866 states have internal predecessors, (5796), 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) [2022-01-17 22:37:25,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-17 22:37:25,288 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:25,289 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] [2022-01-17 22:37:25,290 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-17 22:37:25,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:25,295 INFO L85 PathProgramCache]: Analyzing trace with hash -941180615, now seen corresponding path program 1 times [2022-01-17 22:37:25,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:25,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614551412] [2022-01-17 22:37:25,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:25,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:25,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:25,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614551412] [2022-01-17 22:37:25,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614551412] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:25,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:25,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 22:37:25,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450482081] [2022-01-17 22:37:25,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:25,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-17 22:37:25,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:25,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-17 22:37:25,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-17 22:37:25,572 INFO L87 Difference]: Start difference. First operand has 1867 states, 1864 states have (on average 3.109442060085837) internal successors, (5796), 1866 states have internal predecessors, (5796), 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 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2022-01-17 22:37:25,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:25,629 INFO L93 Difference]: Finished difference Result 1867 states and 5307 transitions. [2022-01-17 22:37:25,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-17 22:37:25,631 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 35 [2022-01-17 22:37:25,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:25,661 INFO L225 Difference]: With dead ends: 1867 [2022-01-17 22:37:25,661 INFO L226 Difference]: Without dead ends: 1866 [2022-01-17 22:37:25,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-17 22:37:25,665 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:37:25,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:37:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2022-01-17 22:37:25,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1866. [2022-01-17 22:37:25,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1866 states, 1863 states have (on average 2.8480944712828773) internal successors, (5306), 1865 states have internal predecessors, (5306), 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) [2022-01-17 22:37:25,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 5306 transitions. [2022-01-17 22:37:25,795 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 5306 transitions. Word has length 35 [2022-01-17 22:37:25,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:37:25,796 INFO L470 AbstractCegarLoop]: Abstraction has 1866 states and 5306 transitions. [2022-01-17 22:37:25,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2022-01-17 22:37:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 5306 transitions. [2022-01-17 22:37:25,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-17 22:37:25,798 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:25,798 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] [2022-01-17 22:37:25,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-17 22:37:25,798 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-17 22:37:25,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:25,803 INFO L85 PathProgramCache]: Analyzing trace with hash -941150824, now seen corresponding path program 1 times [2022-01-17 22:37:25,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:25,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037496766] [2022-01-17 22:37:25,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:25,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:25,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:25,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037496766] [2022-01-17 22:37:25,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037496766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:25,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:25,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:37:25,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564344957] [2022-01-17 22:37:25,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:25,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:37:25,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:25,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:37:25,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:37:25,886 INFO L87 Difference]: Start difference. First operand 1866 states and 5306 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-01-17 22:37:25,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:25,922 INFO L93 Difference]: Finished difference Result 1851 states and 5180 transitions. [2022-01-17 22:37:25,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:37:25,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2022-01-17 22:37:25,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:25,932 INFO L225 Difference]: With dead ends: 1851 [2022-01-17 22:37:25,932 INFO L226 Difference]: Without dead ends: 1571 [2022-01-17 22:37:25,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:37:25,934 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 69 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:37:25,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 128 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:37:25,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2022-01-17 22:37:25,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1502. [2022-01-17 22:37:25,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1502 states, 1499 states have (on average 2.8192128085390262) internal successors, (4226), 1501 states have internal predecessors, (4226), 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) [2022-01-17 22:37:25,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 4226 transitions. [2022-01-17 22:37:25,982 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 4226 transitions. Word has length 35 [2022-01-17 22:37:25,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:37:25,983 INFO L470 AbstractCegarLoop]: Abstraction has 1502 states and 4226 transitions. [2022-01-17 22:37:25,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-01-17 22:37:25,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 4226 transitions. [2022-01-17 22:37:25,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-17 22:37:25,986 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:25,986 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] [2022-01-17 22:37:25,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-17 22:37:25,986 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-17 22:37:25,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:25,987 INFO L85 PathProgramCache]: Analyzing trace with hash -512241507, now seen corresponding path program 1 times [2022-01-17 22:37:25,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:25,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380064624] [2022-01-17 22:37:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:25,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:26,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:26,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380064624] [2022-01-17 22:37:26,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380064624] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:26,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:26,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:37:26,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300055636] [2022-01-17 22:37:26,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:26,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:37:26,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:26,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:37:26,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:37:26,036 INFO L87 Difference]: Start difference. First operand 1502 states and 4226 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-01-17 22:37:26,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:26,077 INFO L93 Difference]: Finished difference Result 1397 states and 3880 transitions. [2022-01-17 22:37:26,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:37:26,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2022-01-17 22:37:26,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:26,083 INFO L225 Difference]: With dead ends: 1397 [2022-01-17 22:37:26,083 INFO L226 Difference]: Without dead ends: 1045 [2022-01-17 22:37:26,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:37:26,085 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 32 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:37:26,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 177 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:37:26,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2022-01-17 22:37:26,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2022-01-17 22:37:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1043 states have (on average 2.803451581975072) internal successors, (2924), 1044 states have internal predecessors, (2924), 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) [2022-01-17 22:37:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 2924 transitions. [2022-01-17 22:37:26,117 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 2924 transitions. Word has length 41 [2022-01-17 22:37:26,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:37:26,118 INFO L470 AbstractCegarLoop]: Abstraction has 1045 states and 2924 transitions. [2022-01-17 22:37:26,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-01-17 22:37:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 2924 transitions. [2022-01-17 22:37:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-17 22:37:26,121 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:26,121 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] [2022-01-17 22:37:26,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-17 22:37:26,122 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-17 22:37:26,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:26,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1839556926, now seen corresponding path program 1 times [2022-01-17 22:37:26,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:26,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600985597] [2022-01-17 22:37:26,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:26,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:26,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:26,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:26,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600985597] [2022-01-17 22:37:26,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600985597] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:26,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:26,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:37:26,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519088905] [2022-01-17 22:37:26,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:26,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-17 22:37:26,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:26,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-17 22:37:26,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-17 22:37:26,191 INFO L87 Difference]: Start difference. First operand 1045 states and 2924 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-01-17 22:37:26,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:26,241 INFO L93 Difference]: Finished difference Result 1477 states and 4280 transitions. [2022-01-17 22:37:26,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-17 22:37:26,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 46 [2022-01-17 22:37:26,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:26,249 INFO L225 Difference]: With dead ends: 1477 [2022-01-17 22:37:26,249 INFO L226 Difference]: Without dead ends: 1305 [2022-01-17 22:37:26,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:37:26,251 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 83 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:37:26,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 295 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:37:26,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2022-01-17 22:37:26,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 985. [2022-01-17 22:37:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 983 states have (on average 2.799593082400814) internal successors, (2752), 984 states have internal predecessors, (2752), 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) [2022-01-17 22:37:26,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 2752 transitions. [2022-01-17 22:37:26,285 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 2752 transitions. Word has length 46 [2022-01-17 22:37:26,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:37:26,285 INFO L470 AbstractCegarLoop]: Abstraction has 985 states and 2752 transitions. [2022-01-17 22:37:26,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-01-17 22:37:26,286 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 2752 transitions. [2022-01-17 22:37:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-17 22:37:26,288 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:26,288 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] [2022-01-17 22:37:26,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-17 22:37:26,288 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-17 22:37:26,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:26,289 INFO L85 PathProgramCache]: Analyzing trace with hash 777551268, now seen corresponding path program 1 times [2022-01-17 22:37:26,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:26,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099399665] [2022-01-17 22:37:26,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:26,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:26,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:26,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099399665] [2022-01-17 22:37:26,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099399665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:26,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:26,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:37:26,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382107883] [2022-01-17 22:37:26,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:26,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-17 22:37:26,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:26,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-17 22:37:26,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-17 22:37:26,334 INFO L87 Difference]: Start difference. First operand 985 states and 2752 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-01-17 22:37:26,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:26,373 INFO L93 Difference]: Finished difference Result 1232 states and 3677 transitions. [2022-01-17 22:37:26,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-17 22:37:26,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 46 [2022-01-17 22:37:26,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:26,375 INFO L225 Difference]: With dead ends: 1232 [2022-01-17 22:37:26,375 INFO L226 Difference]: Without dead ends: 0 [2022-01-17 22:37:26,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:37:26,376 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 61 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:37:26,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 249 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:37:26,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-17 22:37:26,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-17 22:37:26,377 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) [2022-01-17 22:37:26,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-17 22:37:26,377 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2022-01-17 22:37:26,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:37:26,378 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-17 22:37:26,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-01-17 22:37:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-17 22:37:26,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-17 22:37:26,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-01-17 22:37:26,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-01-17 22:37:26,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2022-01-17 22:37:26,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-01-17 22:37:26,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-01-17 22:37:26,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-17 22:37:26,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-17 22:37:26,388 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-17 22:37:26,391 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-17 22:37:26,391 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-17 22:37:26,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.01 10:37:26 BasicIcfg [2022-01-17 22:37:26,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-17 22:37:26,394 INFO L158 Benchmark]: Toolchain (without parser) took 2338.61ms. Allocated memory is still 360.7MB. Free memory was 307.5MB in the beginning and 130.8MB in the end (delta: 176.7MB). Peak memory consumption was 172.9MB. Max. memory is 16.0GB. [2022-01-17 22:37:26,395 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 360.7MB. Free memory is still 324.8MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 22:37:26,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.34ms. Allocated memory is still 360.7MB. Free memory was 307.3MB in the beginning and 324.8MB in the end (delta: -17.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.0GB. [2022-01-17 22:37:26,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.84ms. Allocated memory is still 360.7MB. Free memory was 324.8MB in the beginning and 322.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 22:37:26,396 INFO L158 Benchmark]: Boogie Preprocessor took 35.02ms. Allocated memory is still 360.7MB. Free memory was 322.7MB in the beginning and 320.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 22:37:26,396 INFO L158 Benchmark]: RCFGBuilder took 443.89ms. Allocated memory is still 360.7MB. Free memory was 320.6MB in the beginning and 305.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-17 22:37:26,396 INFO L158 Benchmark]: TraceAbstraction took 1422.20ms. Allocated memory is still 360.7MB. Free memory was 305.9MB in the beginning and 130.8MB in the end (delta: 175.1MB). Peak memory consumption was 174.1MB. Max. memory is 16.0GB. [2022-01-17 22:37:26,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 360.7MB. Free memory is still 324.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 381.34ms. Allocated memory is still 360.7MB. Free memory was 307.3MB in the beginning and 324.8MB in the end (delta: -17.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 50.84ms. Allocated memory is still 360.7MB. Free memory was 324.8MB in the beginning and 322.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 35.02ms. Allocated memory is still 360.7MB. Free memory was 322.7MB in the beginning and 320.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 443.89ms. Allocated memory is still 360.7MB. Free memory was 320.6MB in the beginning and 305.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 1422.20ms. Allocated memory is still 360.7MB. Free memory was 305.9MB in the beginning and 130.8MB in the end (delta: 175.1MB). Peak memory consumption was 174.1MB. Max. memory is 16.0GB. * 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: 780]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 739]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 138 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, 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, 245 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 245 mSDsluCounter, 933 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 441 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 504 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1867occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 389 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-17 22:37:26,431 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...