/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-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 16:49:53,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 16:49:53,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 16:49:53,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-21 16:49:53,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-21 16:49:53,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-21 16:49:53,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-21 16:49:53,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-21 16:49:53,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-21 16:49:53,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-21 16:49:53,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-21 16:49:53,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-21 16:49:53,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-21 16:49:53,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-21 16:49:53,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-21 16:49:53,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-21 16:49:53,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-21 16:49:53,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-21 16:49:53,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-21 16:49:53,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-21 16:49:53,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-21 16:49:53,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-21 16:49:53,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-21 16:49:53,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-21 16:49:53,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-21 16:49:53,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-21 16:49:53,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-21 16:49:53,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-21 16:49:53,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-21 16:49:53,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-08-21 16:49:53,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-21 16:49:53,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-21 16:49:53,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-21 16:49:53,922 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-Delay.epf [2021-08-21 16:49:53,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 16:49:53,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 16:49:53,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 16:49:53,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 16:49:53,938 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 16:49:53,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 16:49:53,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 16:49:53,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 16:49:53,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 16:49:53,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 16:49:53,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 16:49:53,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 16:49:53,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 16:49:53,940 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 16:49:53,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 16:49:53,940 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 16:49:53,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 16:49:53,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 16:49:53,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 16:49:53,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 16:49:53,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 16:49:53,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 16:49:53,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 16:49:53,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 16:49:53,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 16:49:53,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 16:49:53,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 16:49:53,941 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 16:49:53,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 16:49:53,942 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-08-21 16:49:53,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 16:49:54,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 16:49:54,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 16:49:54,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 16:49:54,181 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-21 16:49:54,182 INFO L275 PluginConnector]: CDTParser initialized [2021-08-21 16:49:54,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2021-08-21 16:49:54,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76df23183/5983270b361e4940a03fa9f2af0e05e5/FLAG9753bf333 [2021-08-21 16:49:54,617 INFO L306 CDTParser]: Found 1 translation units. [2021-08-21 16:49:54,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2021-08-21 16:49:54,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76df23183/5983270b361e4940a03fa9f2af0e05e5/FLAG9753bf333 [2021-08-21 16:49:54,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76df23183/5983270b361e4940a03fa9f2af0e05e5 [2021-08-21 16:49:54,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 16:49:54,979 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-21 16:49:54,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-21 16:49:54,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-21 16:49:54,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-21 16:49:54,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:49:54" (1/1) ... [2021-08-21 16:49:54,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49568cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:54, skipping insertion in model container [2021-08-21 16:49:54,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:49:54" (1/1) ... [2021-08-21 16:49:54,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-21 16:49:55,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-21 16:49:55,138 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-21 16:49:55,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2021-08-21 16:49:55,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2021-08-21 16:49:55,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 16:49:55,285 INFO L203 MainTranslator]: Completed pre-run [2021-08-21 16:49:55,304 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-21 16:49:55,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2021-08-21 16:49:55,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2021-08-21 16:49:55,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 16:49:55,342 INFO L208 MainTranslator]: Completed translation [2021-08-21 16:49:55,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55 WrapperNode [2021-08-21 16:49:55,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-21 16:49:55,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 16:49:55,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 16:49:55,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 16:49:55,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55" (1/1) ... [2021-08-21 16:49:55,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55" (1/1) ... [2021-08-21 16:49:55,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 16:49:55,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 16:49:55,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 16:49:55,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 16:49:55,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55" (1/1) ... [2021-08-21 16:49:55,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55" (1/1) ... [2021-08-21 16:49:55,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55" (1/1) ... [2021-08-21 16:49:55,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55" (1/1) ... [2021-08-21 16:49:55,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55" (1/1) ... [2021-08-21 16:49:55,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55" (1/1) ... [2021-08-21 16:49:55,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55" (1/1) ... [2021-08-21 16:49:55,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 16:49:55,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 16:49:55,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 16:49:55,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 16:49:55,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55" (1/1) ... [2021-08-21 16:49:55,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 16:49:55,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:49:55,406 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) [2021-08-21 16:49:55,450 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 [2021-08-21 16:49:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-21 16:49:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-08-21 16:49:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-08-21 16:49:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-08-21 16:49:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-08-21 16:49:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-21 16:49:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-21 16:49:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-21 16:49:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-21 16:49:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-21 16:49:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-21 16:49:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 16:49:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 16:49:55,473 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 16:49:55,836 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 16:49:55,836 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-21 16:49:55,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:49:55 BoogieIcfgContainer [2021-08-21 16:49:55,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 16:49:55,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 16:49:55,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 16:49:55,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 16:49:55,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:49:54" (1/3) ... [2021-08-21 16:49:55,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab315e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:49:55, skipping insertion in model container [2021-08-21 16:49:55,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:49:55" (2/3) ... [2021-08-21 16:49:55,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab315e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:49:55, skipping insertion in model container [2021-08-21 16:49:55,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:49:55" (3/3) ... [2021-08-21 16:49:55,842 INFO L111 eAbstractionObserver]: Analyzing ICFG lamport.i [2021-08-21 16:49:55,845 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 16:49:55,845 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 16:49:55,846 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-21 16:49:55,846 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 16:49:55,868 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,869 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,869 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,869 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,869 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,869 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,869 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,869 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,870 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,877 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,885 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,885 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,885 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,885 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,885 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,885 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,885 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:49:55,895 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-21 16:49:55,921 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 16:49:55,925 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, mConcurrency=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 [2021-08-21 16:49:55,925 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-21 16:49:56,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 4289 states, 4225 states have (on average 2.497514792899408) internal successors, (10552), 4288 states have internal predecessors, (10552), 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) [2021-08-21 16:49:56,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-21 16:49:56,526 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:49:56,527 INFO L512 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] [2021-08-21 16:49:56,527 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 16:49:56,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:49:56,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1608657040, now seen corresponding path program 1 times [2021-08-21 16:49:56,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:49:56,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996380533] [2021-08-21 16:49:56,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:49:56,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:49:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:49:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:49:56,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:49:56,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996380533] [2021-08-21 16:49:56,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996380533] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:49:56,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:49:56,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-21 16:49:56,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575250141] [2021-08-21 16:49:56,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-21 16:49:56,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:49:56,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-21 16:49:56,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-21 16:49:56,712 INFO L87 Difference]: Start difference. First operand has 4289 states, 4225 states have (on average 2.497514792899408) internal successors, (10552), 4288 states have internal predecessors, (10552), 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-08-21 16:49:56,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:49:56,766 INFO L93 Difference]: Finished difference Result 4289 states and 9188 transitions. [2021-08-21 16:49:56,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:49:56,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-08-21 16:49:56,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:49:56,799 INFO L225 Difference]: With dead ends: 4289 [2021-08-21 16:49:56,800 INFO L226 Difference]: Without dead ends: 4146 [2021-08-21 16:49:56,801 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-21 16:49:56,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4146 states. [2021-08-21 16:49:56,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4146 to 4146. [2021-08-21 16:49:56,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4146 states, 4121 states have (on average 2.1948556175685514) internal successors, (9045), 4145 states have internal predecessors, (9045), 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) [2021-08-21 16:49:56,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 4146 states and 9045 transitions. [2021-08-21 16:49:56,963 INFO L78 Accepts]: Start accepts. Automaton has 4146 states and 9045 transitions. Word has length 25 [2021-08-21 16:49:56,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:49:56,964 INFO L470 AbstractCegarLoop]: Abstraction has 4146 states and 9045 transitions. [2021-08-21 16:49:56,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-08-21 16:49:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4146 states and 9045 transitions. [2021-08-21 16:49:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-21 16:49:56,966 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:49:56,966 INFO L512 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] [2021-08-21 16:49:56,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 16:49:56,968 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 16:49:56,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:49:56,968 INFO L82 PathProgramCache]: Analyzing trace with hash 905942179, now seen corresponding path program 1 times [2021-08-21 16:49:56,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:49:56,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832157766] [2021-08-21 16:49:56,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:49:56,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:49:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:49:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:49:57,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:49:57,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832157766] [2021-08-21 16:49:57,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832157766] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:49:57,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:49:57,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 16:49:57,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642921180] [2021-08-21 16:49:57,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 16:49:57,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:49:57,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 16:49:57,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:49:57,058 INFO L87 Difference]: Start difference. First operand 4146 states and 9045 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-08-21 16:49:57,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:49:57,108 INFO L93 Difference]: Finished difference Result 4037 states and 8736 transitions. [2021-08-21 16:49:57,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 16:49:57,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2021-08-21 16:49:57,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:49:57,123 INFO L225 Difference]: With dead ends: 4037 [2021-08-21 16:49:57,123 INFO L226 Difference]: Without dead ends: 3457 [2021-08-21 16:49:57,124 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:49:57,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3457 states. [2021-08-21 16:49:57,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3457 to 3394. [2021-08-21 16:49:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3394 states, 3374 states have (on average 2.2166567871962064) internal successors, (7479), 3393 states have internal predecessors, (7479), 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) [2021-08-21 16:49:57,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 7479 transitions. [2021-08-21 16:49:57,192 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 7479 transitions. Word has length 33 [2021-08-21 16:49:57,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:49:57,193 INFO L470 AbstractCegarLoop]: Abstraction has 3394 states and 7479 transitions. [2021-08-21 16:49:57,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-08-21 16:49:57,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 7479 transitions. [2021-08-21 16:49:57,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-08-21 16:49:57,198 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:49:57,199 INFO L512 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] [2021-08-21 16:49:57,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 16:49:57,199 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 16:49:57,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:49:57,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1527108856, now seen corresponding path program 1 times [2021-08-21 16:49:57,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:49:57,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561286585] [2021-08-21 16:49:57,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:49:57,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:49:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:49:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:49:57,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:49:57,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561286585] [2021-08-21 16:49:57,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561286585] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:49:57,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:49:57,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 16:49:57,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982439741] [2021-08-21 16:49:57,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 16:49:57,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:49:57,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 16:49:57,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:49:57,325 INFO L87 Difference]: Start difference. First operand 3394 states and 7479 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-08-21 16:49:57,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:49:57,363 INFO L93 Difference]: Finished difference Result 3198 states and 7027 transitions. [2021-08-21 16:49:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 16:49:57,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-08-21 16:49:57,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:49:57,372 INFO L225 Difference]: With dead ends: 3198 [2021-08-21 16:49:57,372 INFO L226 Difference]: Without dead ends: 2493 [2021-08-21 16:49:57,373 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:49:57,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2021-08-21 16:49:57,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2493. [2021-08-21 16:49:57,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2493 states, 2485 states have (on average 2.2929577464788733) internal successors, (5698), 2492 states have internal predecessors, (5698), 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) [2021-08-21 16:49:57,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 5698 transitions. [2021-08-21 16:49:57,429 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 5698 transitions. Word has length 39 [2021-08-21 16:49:57,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:49:57,430 INFO L470 AbstractCegarLoop]: Abstraction has 2493 states and 5698 transitions. [2021-08-21 16:49:57,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-08-21 16:49:57,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 5698 transitions. [2021-08-21 16:49:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-08-21 16:49:57,435 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:49:57,435 INFO L512 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] [2021-08-21 16:49:57,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-21 16:49:57,435 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 16:49:57,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:49:57,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1042287027, now seen corresponding path program 1 times [2021-08-21 16:49:57,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:49:57,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788417193] [2021-08-21 16:49:57,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:49:57,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:49:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:49:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:49:57,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:49:57,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788417193] [2021-08-21 16:49:57,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788417193] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:49:57,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:49:57,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 16:49:57,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702109890] [2021-08-21 16:49:57,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 16:49:57,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:49:57,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 16:49:57,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 16:49:57,517 INFO L87 Difference]: Start difference. First operand 2493 states and 5698 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-21 16:49:57,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:49:57,609 INFO L93 Difference]: Finished difference Result 8023 states and 18764 transitions. [2021-08-21 16:49:57,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-21 16:49:57,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2021-08-21 16:49:57,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:49:57,639 INFO L225 Difference]: With dead ends: 8023 [2021-08-21 16:49:57,639 INFO L226 Difference]: Without dead ends: 8023 [2021-08-21 16:49:57,639 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 16:49:57,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8023 states. [2021-08-21 16:49:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8023 to 2953. [2021-08-21 16:49:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2953 states, 2945 states have (on average 2.3123938879456705) internal successors, (6810), 2952 states have internal predecessors, (6810), 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) [2021-08-21 16:49:57,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 6810 transitions. [2021-08-21 16:49:57,743 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 6810 transitions. Word has length 50 [2021-08-21 16:49:57,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:49:57,746 INFO L470 AbstractCegarLoop]: Abstraction has 2953 states and 6810 transitions. [2021-08-21 16:49:57,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-21 16:49:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 6810 transitions. [2021-08-21 16:49:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-08-21 16:49:57,750 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:49:57,750 INFO L512 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] [2021-08-21 16:49:57,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-21 16:49:57,750 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 16:49:57,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:49:57,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1534246111, now seen corresponding path program 2 times [2021-08-21 16:49:57,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:49:57,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225287380] [2021-08-21 16:49:57,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:49:57,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:49:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:49:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:49:57,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:49:57,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225287380] [2021-08-21 16:49:57,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225287380] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:49:57,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:49:57,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 16:49:57,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058554992] [2021-08-21 16:49:57,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 16:49:57,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:49:57,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 16:49:57,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 16:49:57,816 INFO L87 Difference]: Start difference. First operand 2953 states and 6810 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-21 16:49:57,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:49:57,955 INFO L93 Difference]: Finished difference Result 6331 states and 14662 transitions. [2021-08-21 16:49:57,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 16:49:57,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2021-08-21 16:49:57,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:49:57,978 INFO L225 Difference]: With dead ends: 6331 [2021-08-21 16:49:57,978 INFO L226 Difference]: Without dead ends: 3552 [2021-08-21 16:49:57,978 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 16:49:57,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3552 states. [2021-08-21 16:49:58,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3552 to 3092. [2021-08-21 16:49:58,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3092 states, 3084 states have (on average 2.2921530479896237) internal successors, (7069), 3091 states have internal predecessors, (7069), 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) [2021-08-21 16:49:58,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 7069 transitions. [2021-08-21 16:49:58,037 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 7069 transitions. Word has length 50 [2021-08-21 16:49:58,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:49:58,037 INFO L470 AbstractCegarLoop]: Abstraction has 3092 states and 7069 transitions. [2021-08-21 16:49:58,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-21 16:49:58,037 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 7069 transitions. [2021-08-21 16:49:58,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-08-21 16:49:58,040 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:49:58,040 INFO L512 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] [2021-08-21 16:49:58,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-21 16:49:58,041 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 16:49:58,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:49:58,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1843048709, now seen corresponding path program 3 times [2021-08-21 16:49:58,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:49:58,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96541498] [2021-08-21 16:49:58,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:49:58,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:49:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:49:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:49:58,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:49:58,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96541498] [2021-08-21 16:49:58,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96541498] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:49:58,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:49:58,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 16:49:58,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550362902] [2021-08-21 16:49:58,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 16:49:58,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:49:58,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 16:49:58,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 16:49:58,096 INFO L87 Difference]: Start difference. First operand 3092 states and 7069 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-21 16:49:58,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:49:58,239 INFO L93 Difference]: Finished difference Result 4684 states and 10517 transitions. [2021-08-21 16:49:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 16:49:58,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2021-08-21 16:49:58,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:49:58,244 INFO L225 Difference]: With dead ends: 4684 [2021-08-21 16:49:58,244 INFO L226 Difference]: Without dead ends: 2096 [2021-08-21 16:49:58,244 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 16:49:58,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2021-08-21 16:49:58,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 1980. [2021-08-21 16:49:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1980 states, 1972 states have (on average 1.9964503042596349) internal successors, (3937), 1979 states have internal predecessors, (3937), 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) [2021-08-21 16:49:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1980 states and 3937 transitions. [2021-08-21 16:49:58,277 INFO L78 Accepts]: Start accepts. Automaton has 1980 states and 3937 transitions. Word has length 50 [2021-08-21 16:49:58,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:49:58,277 INFO L470 AbstractCegarLoop]: Abstraction has 1980 states and 3937 transitions. [2021-08-21 16:49:58,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-21 16:49:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 3937 transitions. [2021-08-21 16:49:58,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-08-21 16:49:58,279 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:49:58,279 INFO L512 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] [2021-08-21 16:49:58,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-21 16:49:58,279 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 16:49:58,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:49:58,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1063296183, now seen corresponding path program 4 times [2021-08-21 16:49:58,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:49:58,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98539580] [2021-08-21 16:49:58,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:49:58,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:49:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:49:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:49:58,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:49:58,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98539580] [2021-08-21 16:49:58,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98539580] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:49:58,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:49:58,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 16:49:58,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836111717] [2021-08-21 16:49:58,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 16:49:58,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:49:58,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 16:49:58,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 16:49:58,339 INFO L87 Difference]: Start difference. First operand 1980 states and 3937 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-21 16:49:58,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:49:58,387 INFO L93 Difference]: Finished difference Result 4445 states and 8558 transitions. [2021-08-21 16:49:58,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-21 16:49:58,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2021-08-21 16:49:58,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:49:58,396 INFO L225 Difference]: With dead ends: 4445 [2021-08-21 16:49:58,396 INFO L226 Difference]: Without dead ends: 4169 [2021-08-21 16:49:58,397 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 16:49:58,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4169 states. [2021-08-21 16:49:58,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4169 to 2040. [2021-08-21 16:49:58,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2040 states, 2032 states have (on average 1.968996062992126) internal successors, (4001), 2039 states have internal predecessors, (4001), 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) [2021-08-21 16:49:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 4001 transitions. [2021-08-21 16:49:58,448 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 4001 transitions. Word has length 50 [2021-08-21 16:49:58,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:49:58,448 INFO L470 AbstractCegarLoop]: Abstraction has 2040 states and 4001 transitions. [2021-08-21 16:49:58,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-21 16:49:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 4001 transitions. [2021-08-21 16:49:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-21 16:49:58,453 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:49:58,453 INFO L512 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, 1, 1, 1] [2021-08-21 16:49:58,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-21 16:49:58,453 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 16:49:58,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:49:58,454 INFO L82 PathProgramCache]: Analyzing trace with hash -129432611, now seen corresponding path program 1 times [2021-08-21 16:49:58,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:49:58,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517707208] [2021-08-21 16:49:58,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:49:58,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:49:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:49:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:49:58,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:49:58,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517707208] [2021-08-21 16:49:58,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517707208] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:49:58,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:49:58,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 16:49:58,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242413740] [2021-08-21 16:49:58,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 16:49:58,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:49:58,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 16:49:58,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 16:49:58,494 INFO L87 Difference]: Start difference. First operand 2040 states and 4001 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-08-21 16:49:58,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:49:58,527 INFO L93 Difference]: Finished difference Result 1915 states and 3588 transitions. [2021-08-21 16:49:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 16:49:58,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 55 [2021-08-21 16:49:58,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:49:58,530 INFO L225 Difference]: With dead ends: 1915 [2021-08-21 16:49:58,531 INFO L226 Difference]: Without dead ends: 1723 [2021-08-21 16:49:58,531 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 16:49:58,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2021-08-21 16:49:58,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1592. [2021-08-21 16:49:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1584 states have (on average 1.9223484848484849) internal successors, (3045), 1591 states have internal predecessors, (3045), 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) [2021-08-21 16:49:58,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 3045 transitions. [2021-08-21 16:49:58,556 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 3045 transitions. Word has length 55 [2021-08-21 16:49:58,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:49:58,557 INFO L470 AbstractCegarLoop]: Abstraction has 1592 states and 3045 transitions. [2021-08-21 16:49:58,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-08-21 16:49:58,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 3045 transitions. [2021-08-21 16:49:58,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-21 16:49:58,559 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:49:58,559 INFO L512 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, 1, 1, 1] [2021-08-21 16:49:58,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-21 16:49:58,559 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 16:49:58,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:49:58,560 INFO L82 PathProgramCache]: Analyzing trace with hash 927008080, now seen corresponding path program 1 times [2021-08-21 16:49:58,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:49:58,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306132621] [2021-08-21 16:49:58,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:49:58,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:49:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:49:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:49:58,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:49:58,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306132621] [2021-08-21 16:49:58,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306132621] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:49:58,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:49:58,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 16:49:58,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245872962] [2021-08-21 16:49:58,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 16:49:58,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:49:58,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 16:49:58,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 16:49:58,617 INFO L87 Difference]: Start difference. First operand 1592 states and 3045 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-08-21 16:49:58,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:49:58,636 INFO L93 Difference]: Finished difference Result 777 states and 1502 transitions. [2021-08-21 16:49:58,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 16:49:58,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 55 [2021-08-21 16:49:58,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:49:58,637 INFO L225 Difference]: With dead ends: 777 [2021-08-21 16:49:58,637 INFO L226 Difference]: Without dead ends: 0 [2021-08-21 16:49:58,638 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 16:49:58,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-21 16:49:58,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-21 16:49:58,638 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) [2021-08-21 16:49:58,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-21 16:49:58,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-08-21 16:49:58,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:49:58,638 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-21 16:49:58,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-08-21 16:49:58,638 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-21 16:49:58,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-21 16:49:58,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:49:58,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:49:58,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 16:49:58,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 16:49:58,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:49:58,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:49:58,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-21 16:49:58,647 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 16:49:58,647 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 16:49:58,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:49:58 BasicIcfg [2021-08-21 16:49:58,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 16:49:58,651 INFO L168 Benchmark]: Toolchain (without parser) took 3670.31 ms. Allocated memory was 216.0 MB in the beginning and 476.1 MB in the end (delta: 260.0 MB). Free memory was 179.4 MB in the beginning and 285.1 MB in the end (delta: -105.7 MB). Peak memory consumption was 154.7 MB. Max. memory is 8.0 GB. [2021-08-21 16:49:58,651 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 216.0 MB. Free memory is still 197.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 16:49:58,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.86 ms. Allocated memory is still 216.0 MB. Free memory was 179.3 MB in the beginning and 190.4 MB in the end (delta: -11.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-21 16:49:58,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.50 ms. Allocated memory is still 216.0 MB. Free memory was 190.4 MB in the beginning and 188.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-21 16:49:58,652 INFO L168 Benchmark]: Boogie Preprocessor took 16.90 ms. Allocated memory is still 216.0 MB. Free memory was 188.8 MB in the beginning and 187.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-21 16:49:58,652 INFO L168 Benchmark]: RCFGBuilder took 451.99 ms. Allocated memory is still 216.0 MB. Free memory was 186.7 MB in the beginning and 158.4 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. [2021-08-21 16:49:58,653 INFO L168 Benchmark]: TraceAbstraction took 2809.53 ms. Allocated memory was 216.0 MB in the beginning and 476.1 MB in the end (delta: 260.0 MB). Free memory was 157.8 MB in the beginning and 285.1 MB in the end (delta: -127.3 MB). Peak memory consumption was 133.3 MB. Max. memory is 8.0 GB. [2021-08-21 16:49:58,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 216.0 MB. Free memory is still 197.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 361.86 ms. Allocated memory is still 216.0 MB. Free memory was 179.3 MB in the beginning and 190.4 MB in the end (delta: -11.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.50 ms. Allocated memory is still 216.0 MB. Free memory was 190.4 MB in the beginning and 188.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.90 ms. Allocated memory is still 216.0 MB. Free memory was 188.8 MB in the beginning and 187.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 451.99 ms. Allocated memory is still 216.0 MB. Free memory was 186.7 MB in the beginning and 158.4 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2809.53 ms. Allocated memory was 216.0 MB in the beginning and 476.1 MB in the end (delta: 260.0 MB). Free memory was 157.8 MB in the beginning and 285.1 MB in the end (delta: -127.3 MB). Peak memory consumption was 133.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19227, positive: 15147, positive conditional: 15147, positive unconditional: 0, negative: 4080, negative conditional: 4080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15343, positive: 15147, positive conditional: 0, positive unconditional: 15147, negative: 196, negative conditional: 0, negative unconditional: 196, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2572, positive: 2523, positive conditional: 0, positive unconditional: 2523, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2572, positive: 2521, positive conditional: 0, positive unconditional: 2521, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15343, positive: 12624, positive conditional: 0, positive unconditional: 12624, negative: 147, negative conditional: 0, negative unconditional: 147, unknown: 2572, unknown conditional: 0, unknown unconditional: 2572] , Statistics on independence cache: Total cache size (in pairs): 2572, Positive cache size: 2523, Positive conditional cache size: 0, Positive unconditional cache size: 2523, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, Independence queries for same thread: 3884 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 834]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 764]: 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, 172 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2724.3ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 42.9ms, AutomataDifference: 776.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 584.8ms, PartialOrderReductionTime: 573.9ms, HoareTripleCheckerStatistics: 1312 SDtfs, 731 SDslu, 1445 SDs, 0 SdLazy, 219 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 232.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 96.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4289occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 548.2ms AutomataMinimizationTime, 9 MinimizatonAttempts, 7969 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 32.3ms SsaConstructionTime, 180.5ms SatisfiabilityAnalysisTime, 364.9ms InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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! [2021-08-21 16:49:58,681 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...