/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepUncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 11:47:28,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 11:47:28,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 11:47:28,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-15 11:47:28,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-15 11:47:28,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-15 11:47:28,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-15 11:47:28,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-15 11:47:28,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-15 11:47:28,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-15 11:47:28,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-15 11:47:28,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-15 11:47:28,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-15 11:47:28,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-15 11:47:28,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-15 11:47:28,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-15 11:47:28,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-15 11:47:28,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-15 11:47:28,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-15 11:47:28,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-15 11:47:28,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-15 11:47:28,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-15 11:47:28,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-15 11:47:28,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-15 11:47:28,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-15 11:47:28,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-15 11:47:28,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-15 11:47:28,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-15 11:47:28,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-15 11:47:28,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-15 11:47:28,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-15 11:47:28,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-15 11:47:28,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-15 11:47:28,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-15 11:47:28,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-15 11:47:28,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-15 11:47:28,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-15 11:47:28,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-15 11:47:28,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 11:47:28,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 11:47:28,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 11:47:28,919 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepUncond-NoLbe.epf [2021-04-15 11:47:28,953 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 11:47:28,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 11:47:28,954 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 11:47:28,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 11:47:28,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 11:47:28,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 11:47:28,957 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 11:47:28,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 11:47:28,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 11:47:28,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 11:47:28,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 11:47:28,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 11:47:28,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 11:47:28,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 11:47:28,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 11:47:28,959 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 11:47:28,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 11:47:28,960 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 11:47:28,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 11:47:28,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 11:47:28,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 11:47:28,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 11:47:28,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 11:47:28,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 11:47:28,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 11:47:28,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 11:47:28,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 11:47:28,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 11:47:28,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 11:47:28,962 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 11:47:28,962 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 11:47:28,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 11:47:28,962 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 11:47:28,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-15 11:47:28,963 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 11:47:29,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 11:47:29,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 11:47:29,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 11:47:29,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-15 11:47:29,307 INFO L275 PluginConnector]: CDTParser initialized [2021-04-15 11:47:29,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2021-04-15 11:47:29,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e58d9a3f/43f5571ce4cf4942a3f0ee5682e3b4d1/FLAG54482f01a [2021-04-15 11:47:29,841 INFO L306 CDTParser]: Found 1 translation units. [2021-04-15 11:47:29,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2021-04-15 11:47:29,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e58d9a3f/43f5571ce4cf4942a3f0ee5682e3b4d1/FLAG54482f01a [2021-04-15 11:47:29,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e58d9a3f/43f5571ce4cf4942a3f0ee5682e3b4d1 [2021-04-15 11:47:29,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 11:47:29,890 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-15 11:47:29,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-15 11:47:29,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-15 11:47:29,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-15 11:47:29,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 11:47:29" (1/1) ... [2021-04-15 11:47:29,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d42a0e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:29, skipping insertion in model container [2021-04-15 11:47:29,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 11:47:29" (1/1) ... [2021-04-15 11:47:29,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-15 11:47:29,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-15 11:47:30,061 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-04-15 11:47:30,186 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2021-04-15 11:47:30,194 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2021-04-15 11:47:30,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 11:47:30,207 INFO L203 MainTranslator]: Completed pre-run [2021-04-15 11:47:30,231 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-04-15 11:47:30,252 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2021-04-15 11:47:30,263 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2021-04-15 11:47:30,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 11:47:30,343 INFO L208 MainTranslator]: Completed translation [2021-04-15 11:47:30,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30 WrapperNode [2021-04-15 11:47:30,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-15 11:47:30,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 11:47:30,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 11:47:30,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 11:47:30,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30" (1/1) ... [2021-04-15 11:47:30,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30" (1/1) ... [2021-04-15 11:47:30,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 11:47:30,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 11:47:30,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 11:47:30,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 11:47:30,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30" (1/1) ... [2021-04-15 11:47:30,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30" (1/1) ... [2021-04-15 11:47:30,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30" (1/1) ... [2021-04-15 11:47:30,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30" (1/1) ... [2021-04-15 11:47:30,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30" (1/1) ... [2021-04-15 11:47:30,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30" (1/1) ... [2021-04-15 11:47:30,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30" (1/1) ... [2021-04-15 11:47:30,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 11:47:30,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 11:47:30,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 11:47:30,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 11:47:30,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 11:47:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-15 11:47:30,454 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-04-15 11:47:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-04-15 11:47:30,454 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-04-15 11:47:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-04-15 11:47:30,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-15 11:47:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-15 11:47:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-15 11:47:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-15 11:47:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-15 11:47:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-15 11:47:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 11:47:30,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 11:47:30,457 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 11:47:30,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 11:47:30,794 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-04-15 11:47:30,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 11:47:30 BoogieIcfgContainer [2021-04-15 11:47:30,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 11:47:30,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 11:47:30,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 11:47:30,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 11:47:30,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 11:47:29" (1/3) ... [2021-04-15 11:47:30,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a7c137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 11:47:30, skipping insertion in model container [2021-04-15 11:47:30,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 11:47:30" (2/3) ... [2021-04-15 11:47:30,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a7c137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 11:47:30, skipping insertion in model container [2021-04-15 11:47:30,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 11:47:30" (3/3) ... [2021-04-15 11:47:30,802 INFO L111 eAbstractionObserver]: Analyzing ICFG peterson.i [2021-04-15 11:47:30,806 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 11:47:30,807 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 11:47:30,810 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-15 11:47:30,810 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 11:47:30,839 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,839 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,839 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,839 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,840 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,840 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,840 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,840 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,842 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,842 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,842 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,842 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,842 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,842 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,844 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,845 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,845 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,845 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,862 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,863 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,863 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,863 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,863 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,863 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 11:47:30,878 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-04-15 11:47:30,893 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-04-15 11:47:30,955 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 11:47:30,955 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 11:47:30,955 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 11:47:30,955 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 11:47:30,955 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 11:47:30,956 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 11:47:30,956 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 11:47:30,956 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 11:47:30,988 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 11:47:30,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 11:47:30,993 INFO L82 PathProgramCache]: Analyzing trace with hash 344398413, now seen corresponding path program 1 times [2021-04-15 11:47:30,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 11:47:30,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197588194] [2021-04-15 11:47:30,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 11:47:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 11:47:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 11:47:31,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197588194] [2021-04-15 11:47:31,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 11:47:31,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 11:47:31,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115945452] [2021-04-15 11:47:31,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-15 11:47:31,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 11:47:31,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-15 11:47:31,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-15 11:47:31,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,168 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 11:47:31,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-04-15 11:47:31,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 11:47:31,174 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 11:47:31,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 11:47:31,175 INFO L82 PathProgramCache]: Analyzing trace with hash 344428204, now seen corresponding path program 1 times [2021-04-15 11:47:31,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 11:47:31,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054655577] [2021-04-15 11:47:31,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 11:47:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 11:47:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 11:47:31,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054655577] [2021-04-15 11:47:31,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 11:47:31,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 11:47:31,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380822877] [2021-04-15 11:47:31,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 11:47:31,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 11:47:31,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 11:47:31,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 11:47:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,241 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 11:47:31,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-04-15 11:47:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:31,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 11:47:31,277 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 11:47:31,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 11:47:31,277 INFO L82 PathProgramCache]: Analyzing trace with hash -371068083, now seen corresponding path program 1 times [2021-04-15 11:47:31,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 11:47:31,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706047024] [2021-04-15 11:47:31,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 11:47:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 11:47:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 11:47:31,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706047024] [2021-04-15 11:47:31,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 11:47:31,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 11:47:31,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702851346] [2021-04-15 11:47:31,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 11:47:31,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 11:47:31,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 11:47:31,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 11:47:31,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,326 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 11:47:31,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-04-15 11:47:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:31,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:31,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 11:47:31,451 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 11:47:31,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 11:47:31,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1813443251, now seen corresponding path program 1 times [2021-04-15 11:47:31,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 11:47:31,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120703420] [2021-04-15 11:47:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 11:47:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 11:47:31,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 11:47:31,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120703420] [2021-04-15 11:47:31,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 11:47:31,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 11:47:31,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506229227] [2021-04-15 11:47:31,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 11:47:31,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 11:47:31,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 11:47:31,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-15 11:47:31,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,597 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 11:47:31,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-04-15 11:47:31,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:31,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:31,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 11:47:31,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-15 11:47:31,823 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 11:47:31,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 11:47:31,824 INFO L82 PathProgramCache]: Analyzing trace with hash 327317300, now seen corresponding path program 1 times [2021-04-15 11:47:31,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 11:47:31,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86238713] [2021-04-15 11:47:31,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 11:47:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 11:47:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 11:47:31,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86238713] [2021-04-15 11:47:31,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 11:47:31,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 11:47:31,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227252716] [2021-04-15 11:47:31,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 11:47:31,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 11:47:31,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 11:47:31,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-15 11:47:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,910 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 11:47:31,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 11:47:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 11:47:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:47:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 11:47:32,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 11:47:32,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 11:47:32,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-15 11:47:32,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 11:47:32 BasicIcfg [2021-04-15 11:47:32,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 11:47:32,170 INFO L168 Benchmark]: Toolchain (without parser) took 2292.09 ms. Allocated memory was 255.9 MB in the beginning and 352.3 MB in the end (delta: 96.5 MB). Free memory was 234.2 MB in the beginning and 294.1 MB in the end (delta: -59.9 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.0 GB. [2021-04-15 11:47:32,170 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 11:47:32,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.02 ms. Allocated memory was 255.9 MB in the beginning and 352.3 MB in the end (delta: 96.5 MB). Free memory was 233.7 MB in the beginning and 317.2 MB in the end (delta: -83.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-04-15 11:47:32,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 352.3 MB. Free memory was 317.2 MB in the beginning and 315.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 11:47:32,172 INFO L168 Benchmark]: Boogie Preprocessor took 21.07 ms. Allocated memory is still 352.3 MB. Free memory was 315.5 MB in the beginning and 313.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 11:47:32,174 INFO L168 Benchmark]: RCFGBuilder took 399.68 ms. Allocated memory is still 352.3 MB. Free memory was 313.8 MB in the beginning and 333.1 MB in the end (delta: -19.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.0 GB. [2021-04-15 11:47:32,177 INFO L168 Benchmark]: TraceAbstraction took 1371.74 ms. Allocated memory is still 352.3 MB. Free memory was 332.4 MB in the beginning and 294.1 MB in the end (delta: 38.3 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.0 GB. [2021-04-15 11:47:32,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 449.02 ms. Allocated memory was 255.9 MB in the beginning and 352.3 MB in the end (delta: 96.5 MB). Free memory was 233.7 MB in the beginning and 317.2 MB in the end (delta: -83.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 352.3 MB. Free memory was 317.2 MB in the beginning and 315.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.07 ms. Allocated memory is still 352.3 MB. Free memory was 315.5 MB in the beginning and 313.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 399.68 ms. Allocated memory is still 352.3 MB. Free memory was 313.8 MB in the beginning and 333.1 MB in the end (delta: -19.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1371.74 ms. Allocated memory is still 352.3 MB. Free memory was 332.4 MB in the beginning and 294.1 MB in the end (delta: 38.3 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5960, positive: 5014, positive conditional: 5014, positive unconditional: 0, negative: 946, negative conditional: 946, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5125, positive: 5014, positive conditional: 0, positive unconditional: 5014, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 580, positive: 561, positive conditional: 0, positive unconditional: 561, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 580, positive: 559, positive conditional: 0, positive unconditional: 559, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5125, positive: 4453, positive conditional: 0, positive unconditional: 4453, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 580, unknown conditional: 0, unknown unconditional: 580] , Statistics on independence cache: Total cache size (in pairs): 580, Positive cache size: 561, Positive conditional cache size: 0, Positive unconditional cache size: 561, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Independence queries for same thread: 835 - PositiveResult [Line: 753]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 67 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1242.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.2ms, PartialOrderReductionTime: 656.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.4ms SsaConstructionTime, 77.8ms SatisfiabilityAnalysisTime, 301.3ms InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...