/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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/dekker.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 05:52:20,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 05:52:20,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 05:52:20,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 05:52:20,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 05:52:20,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 05:52:20,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 05:52:20,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 05:52:20,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 05:52:20,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 05:52:20,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 05:52:20,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 05:52:20,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 05:52:20,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 05:52:20,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 05:52:20,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 05:52:20,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 05:52:20,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 05:52:20,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 05:52:20,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 05:52:20,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 05:52:20,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 05:52:20,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 05:52:20,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 05:52:20,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 05:52:20,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 05:52:20,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 05:52:20,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 05:52:20,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 05:52:20,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 05:52:20,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 05:52:21,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 05:52:21,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 05:52:21,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 05:52:21,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 05:52:21,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 05:52:21,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 05:52:21,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 05:52:21,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 05:52:21,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 05:52:21,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 05:52:21,007 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-DelaySleepPersistent-NoLbe.epf [2021-06-02 05:52:21,035 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 05:52:21,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 05:52:21,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 05:52:21,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 05:52:21,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 05:52:21,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 05:52:21,038 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 05:52:21,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 05:52:21,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 05:52:21,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 05:52:21,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 05:52:21,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 05:52:21,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 05:52:21,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 05:52:21,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 05:52:21,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 05:52:21,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 05:52:21,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 05:52:21,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 05:52:21,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 05:52:21,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 05:52:21,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 05:52:21,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 05:52:21,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:52:21,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 05:52:21,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 05:52:21,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 05:52:21,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 05:52:21,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 05:52:21,041 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 05:52:21,042 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 05:52:21,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 05:52:21,042 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 05:52:21,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 05:52:21,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 05:52:21,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 05:52:21,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 05:52:21,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 05:52:21,315 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 05:52:21,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/dekker.i [2021-06-02 05:52:21,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf1888df/e64cb80696284cce8311b9e7696dd2c3/FLAG99c7cbb61 [2021-06-02 05:52:21,775 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 05:52:21,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i [2021-06-02 05:52:21,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf1888df/e64cb80696284cce8311b9e7696dd2c3/FLAG99c7cbb61 [2021-06-02 05:52:21,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf1888df/e64cb80696284cce8311b9e7696dd2c3 [2021-06-02 05:52:21,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 05:52:21,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 05:52:21,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 05:52:21,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 05:52:21,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 05:52:21,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 05:52:21" (1/1) ... [2021-06-02 05:52:21,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34857a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:21, skipping insertion in model container [2021-06-02 05:52:21,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 05:52:21" (1/1) ... [2021-06-02 05:52:21,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 05:52:21,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 05:52:22,026 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-02 05:52:22,128 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[31403,31416] [2021-06-02 05:52:22,134 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[32483,32496] [2021-06-02 05:52:22,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 05:52:22,145 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 05:52:22,161 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-02 05:52:22,176 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[31403,31416] [2021-06-02 05:52:22,178 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[32483,32496] [2021-06-02 05:52:22,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 05:52:22,232 INFO L208 MainTranslator]: Completed translation [2021-06-02 05:52:22,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22 WrapperNode [2021-06-02 05:52:22,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 05:52:22,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 05:52:22,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 05:52:22,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 05:52:22,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22" (1/1) ... [2021-06-02 05:52:22,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22" (1/1) ... [2021-06-02 05:52:22,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 05:52:22,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 05:52:22,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 05:52:22,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 05:52:22,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22" (1/1) ... [2021-06-02 05:52:22,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22" (1/1) ... [2021-06-02 05:52:22,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22" (1/1) ... [2021-06-02 05:52:22,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22" (1/1) ... [2021-06-02 05:52:22,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22" (1/1) ... [2021-06-02 05:52:22,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22" (1/1) ... [2021-06-02 05:52:22,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22" (1/1) ... [2021-06-02 05:52:22,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 05:52:22,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 05:52:22,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 05:52:22,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 05:52:22,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22" (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 [2021-06-02 05:52:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-02 05:52:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-02 05:52:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-02 05:52:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-02 05:52:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-02 05:52:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 05:52:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 05:52:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 05:52:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 05:52:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 05:52:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 05:52:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 05:52:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 05:52:22,339 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 05:52:22,671 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 05:52:22,671 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-02 05:52:22,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:52:22 BoogieIcfgContainer [2021-06-02 05:52:22,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 05:52:22,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 05:52:22,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 05:52:22,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 05:52:22,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 05:52:21" (1/3) ... [2021-06-02 05:52:22,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b57997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 05:52:22, skipping insertion in model container [2021-06-02 05:52:22,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:52:22" (2/3) ... [2021-06-02 05:52:22,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b57997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 05:52:22, skipping insertion in model container [2021-06-02 05:52:22,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:52:22" (3/3) ... [2021-06-02 05:52:22,679 INFO L111 eAbstractionObserver]: Analyzing ICFG dekker.i [2021-06-02 05:52:22,685 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 05:52:22,686 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 05:52:22,686 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-02 05:52:22,686 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 05:52:22,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,717 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,717 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,717 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,717 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,717 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,717 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,717 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,717 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,720 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,720 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,731 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,731 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:52:22,751 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-02 05:52:22,766 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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 [2021-06-02 05:52:22,812 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:52:22,813 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:52:22,813 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:52:22,813 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:52:22,813 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:52:22,813 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:52:22,813 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:52:22,813 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2======== [2021-06-02 05:52:23,714 INFO L301 ceAbstractionStarter]: Result for error location thr2 was SAFE (1/5) [2021-06-02 05:52:23,716 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-02 05:52:23,735 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:52:23,735 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:52:23,735 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:52:23,735 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:52:23,735 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:52:23,735 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:52:23,735 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:52:23,735 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:52:24,399 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (2/5) [2021-06-02 05:52:24,400 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-02 05:52:24,414 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:52:24,415 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:52:24,415 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:52:24,415 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:52:24,415 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:52:24,415 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:52:24,415 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:52:24,415 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:52:24,478 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:24,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:24,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1812413817, now seen corresponding path program 1 times [2021-06-02 05:52:24,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:24,488 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389922581] [2021-06-02 05:52:24,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:24,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:24,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389922581] [2021-06-02 05:52:24,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389922581] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:24,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:24,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-02 05:52:24,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944168003] [2021-06-02 05:52:24,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-02 05:52:24,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:24,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-02 05:52:24,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-02 05:52:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:24,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:24,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 05:52:24,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:24,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:24,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 05:52:24,650 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:24,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:24,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1812384026, now seen corresponding path program 1 times [2021-06-02 05:52:24,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:24,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477700011] [2021-06-02 05:52:24,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:24,689 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:24,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477700011] [2021-06-02 05:52:24,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477700011] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:24,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:24,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-02 05:52:24,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690036420] [2021-06-02 05:52:24,690 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-02 05:52:24,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:24,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-02 05:52:24,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-02 05:52:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:24,691 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:24,691 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 05:52:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:24,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:24,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:24,910 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 05:52:24,910 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:24,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:24,910 INFO L82 PathProgramCache]: Analyzing trace with hash 37207588, now seen corresponding path program 1 times [2021-06-02 05:52:24,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:24,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960879159] [2021-06-02 05:52:24,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:24,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:24,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960879159] [2021-06-02 05:52:24,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960879159] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:24,958 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:24,959 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 05:52:24,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42823220] [2021-06-02 05:52:24,959 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:52:24,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:24,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:52:24,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:52:24,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:24,960 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:24,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 05:52:24,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:24,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:24,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:25,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:25,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:25,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:25,431 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 05:52:25,431 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:25,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:25,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1101608066, now seen corresponding path program 1 times [2021-06-02 05:52:25,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:25,432 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894072483] [2021-06-02 05:52:25,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:25,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:25,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894072483] [2021-06-02 05:52:25,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894072483] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:25,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:25,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 05:52:25,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479590132] [2021-06-02 05:52:25,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:52:25,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:25,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:52:25,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:52:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:25,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:25,465 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-06-02 05:52:25,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:25,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:25,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:25,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:25,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:25,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-02 05:52:25,876 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:25,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:25,876 INFO L82 PathProgramCache]: Analyzing trace with hash 312380156, now seen corresponding path program 1 times [2021-06-02 05:52:25,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:25,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873332023] [2021-06-02 05:52:25,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 05:52:25,928 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:25,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873332023] [2021-06-02 05:52:25,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873332023] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:25,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:25,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-02 05:52:25,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549160874] [2021-06-02 05:52:25,928 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-02 05:52:25,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:25,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-02 05:52:25,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-02 05:52:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:25,929 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:25,929 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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) [2021-06-02 05:52:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:26,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:26,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:26,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:26,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:26,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:52:26,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-02 05:52:26,469 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:26,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:26,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1220258574, now seen corresponding path program 2 times [2021-06-02 05:52:26,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:26,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188673011] [2021-06-02 05:52:26,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:26,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:26,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:26,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188673011] [2021-06-02 05:52:26,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188673011] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:26,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:26,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 05:52:26,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335309914] [2021-06-02 05:52:26,497 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:52:26,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:26,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:52:26,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:52:26,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:26,497 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:26,497 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-06-02 05:52:26,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:26,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:26,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:26,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:26,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:52:26,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:27,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:27,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:27,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:27,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:27,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:52:27,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:27,667 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-02 05:52:27,667 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:27,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:27,668 INFO L82 PathProgramCache]: Analyzing trace with hash -2109903068, now seen corresponding path program 2 times [2021-06-02 05:52:27,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:27,668 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680840043] [2021-06-02 05:52:27,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:27,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:27,691 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:27,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680840043] [2021-06-02 05:52:27,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680840043] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:27,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:27,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 05:52:27,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123344915] [2021-06-02 05:52:27,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:52:27,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:27,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:52:27,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:52:27,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:27,693 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:27,693 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 05:52:27,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:27,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:27,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:27,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:27,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:52:27,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:27,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:28,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:28,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:52:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:28,985 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-02 05:52:28,989 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (3/5) [2021-06-02 05:52:28,990 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:52:29,012 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:52:29,012 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:52:29,012 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:52:29,012 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:52:29,012 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:52:29,012 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:52:29,012 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:52:29,012 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 05:52:29,685 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-02 05:52:29,685 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:52:29,693 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:52:29,694 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:52:29,694 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:52:29,694 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:52:29,694 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:52:29,694 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:52:29,694 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:52:29,694 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2Thread1of1ForFork1======== [2021-06-02 05:52:29,776 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:29,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:29,777 INFO L82 PathProgramCache]: Analyzing trace with hash 955213384, now seen corresponding path program 1 times [2021-06-02 05:52:29,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:29,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79487388] [2021-06-02 05:52:29,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:29,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:29,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:29,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79487388] [2021-06-02 05:52:29,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79487388] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:29,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:29,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-02 05:52:29,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652682241] [2021-06-02 05:52:29,791 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-02 05:52:29,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:29,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-02 05:52:29,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-02 05:52:29,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:29,792 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:29,792 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 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) [2021-06-02 05:52:29,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:29,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:29,803 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-02 05:52:29,803 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:29,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:29,803 INFO L82 PathProgramCache]: Analyzing trace with hash 955243175, now seen corresponding path program 1 times [2021-06-02 05:52:29,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:29,804 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080756865] [2021-06-02 05:52:29,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:29,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:29,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080756865] [2021-06-02 05:52:29,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080756865] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:29,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:29,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-02 05:52:29,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500907954] [2021-06-02 05:52:29,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-02 05:52:29,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:29,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-02 05:52:29,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-02 05:52:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:29,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:29,821 INFO L483 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) [2021-06-02 05:52:29,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:29,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:29,867 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-02 05:52:29,867 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:29,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:29,867 INFO L82 PathProgramCache]: Analyzing trace with hash 64159998, now seen corresponding path program 1 times [2021-06-02 05:52:29,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:29,867 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285697901] [2021-06-02 05:52:29,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:29,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:29,903 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:29,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285697901] [2021-06-02 05:52:29,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285697901] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:29,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:29,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 05:52:29,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856993228] [2021-06-02 05:52:29,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:52:29,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:29,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:52:29,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:52:29,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:29,904 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:29,904 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-06-02 05:52:29,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:29,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:29,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:30,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 05:52:30,022 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-02 05:52:30,022 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:30,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:30,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1973399664, now seen corresponding path program 1 times [2021-06-02 05:52:30,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:30,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647348849] [2021-06-02 05:52:30,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:30,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:30,082 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:30,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647348849] [2021-06-02 05:52:30,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647348849] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:30,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:30,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 05:52:30,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823256840] [2021-06-02 05:52:30,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:52:30,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:30,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:52:30,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:52:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:30,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 05:52:30,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:30,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 05:52:30,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:30,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 05:52:30,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:30,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-02 05:52:30,188 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:30,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:30,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1418358798, now seen corresponding path program 2 times [2021-06-02 05:52:30,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:30,188 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324836562] [2021-06-02 05:52:30,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:30,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:30,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324836562] [2021-06-02 05:52:30,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324836562] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:30,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:30,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-02 05:52:30,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521227311] [2021-06-02 05:52:30,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-02 05:52:30,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:30,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-02 05:52:30,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-02 05:52:30,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:30,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 05:52:30,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:30,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 05:52:30,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:30,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:30,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:30,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:30,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:52:30,583 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-02 05:52:30,583 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:52:30,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:52:30,583 INFO L82 PathProgramCache]: Analyzing trace with hash 709754916, now seen corresponding path program 2 times [2021-06-02 05:52:30,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:52:30,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251877009] [2021-06-02 05:52:30,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:52:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:52:30,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:52:30,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:52:30,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251877009] [2021-06-02 05:52:30,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251877009] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:52:30,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:52:30,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 05:52:30,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867217241] [2021-06-02 05:52:30,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:52:30,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:52:30,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:52:30,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:52:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:52:30,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-06-02 05:52:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:52:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:31,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:52:31,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:52:31,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:31,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:31,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:52:31,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:52:31,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-02 05:52:31,907 INFO L301 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (5/5) [2021-06-02 05:52:31,907 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 05:52:31,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 05:52:31 BasicIcfg [2021-06-02 05:52:31,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 05:52:31,910 INFO L168 Benchmark]: Toolchain (without parser) took 10101.20 ms. Allocated memory was 388.0 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 350.1 MB in the beginning and 1.1 GB in the end (delta: -735.4 MB). Peak memory consumption was 837.7 MB. Max. memory is 16.0 GB. [2021-06-02 05:52:31,910 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 388.0 MB. Free memory is still 368.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:52:31,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.97 ms. Allocated memory is still 388.0 MB. Free memory was 349.9 MB in the beginning and 349.5 MB in the end (delta: 466.0 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-02 05:52:31,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.21 ms. Allocated memory is still 388.0 MB. Free memory was 349.5 MB in the beginning and 347.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:52:31,911 INFO L168 Benchmark]: Boogie Preprocessor took 16.60 ms. Allocated memory is still 388.0 MB. Free memory was 347.4 MB in the beginning and 346.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:52:31,911 INFO L168 Benchmark]: RCFGBuilder took 385.89 ms. Allocated memory is still 388.0 MB. Free memory was 346.3 MB in the beginning and 320.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-02 05:52:31,911 INFO L168 Benchmark]: TraceAbstraction took 9234.26 ms. Allocated memory was 388.0 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 320.1 MB in the beginning and 1.1 GB in the end (delta: -765.4 MB). Peak memory consumption was 809.6 MB. Max. memory is 16.0 GB. [2021-06-02 05:52:31,912 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 388.0 MB. Free memory is still 368.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 420.97 ms. Allocated memory is still 388.0 MB. Free memory was 349.9 MB in the beginning and 349.5 MB in the end (delta: 466.0 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 37.21 ms. Allocated memory is still 388.0 MB. Free memory was 349.5 MB in the beginning and 347.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.60 ms. Allocated memory is still 388.0 MB. Free memory was 347.4 MB in the beginning and 346.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 385.89 ms. Allocated memory is still 388.0 MB. Free memory was 346.3 MB in the beginning and 320.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 9234.26 ms. Allocated memory was 388.0 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 320.1 MB in the beginning and 1.1 GB in the end (delta: -765.4 MB). Peak memory consumption was 809.6 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: 1677, positive: 1397, positive conditional: 1397, positive unconditional: 0, negative: 280, negative conditional: 280, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1422, positive: 1397, positive conditional: 1397, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 22393, positive: 21943, positive conditional: 0, positive unconditional: 21943, negative: 450, negative conditional: 0, negative unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5754, positive: 5655, positive conditional: 0, positive unconditional: 5655, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5754, positive: 5641, positive conditional: 0, positive unconditional: 5641, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 183, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22393, positive: 16288, positive conditional: 0, positive unconditional: 16288, negative: 351, negative conditional: 0, negative unconditional: 351, unknown: 5754, unknown conditional: 0, unknown unconditional: 5754] , Statistics on independence cache: Total cache size (in pairs): 5754, Positive cache size: 5655, Positive conditional cache size: 0, Positive unconditional cache size: 5655, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99 ], Maximal queried relation: 0, Independence queries for same thread: 255 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 807, Number of persistent set computation: 2066, Number of trivial persistent sets: 2057, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 22393, positive: 21943, positive conditional: 0, positive unconditional: 21943, negative: 450, negative conditional: 0, negative unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5754, positive: 5655, positive conditional: 0, positive unconditional: 5655, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5754, positive: 5641, positive conditional: 0, positive unconditional: 5641, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 183, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22393, positive: 16288, positive conditional: 0, positive unconditional: 16288, negative: 351, negative conditional: 0, negative unconditional: 351, unknown: 5754, unknown conditional: 0, unknown unconditional: 5754] , Statistics on independence cache: Total cache size (in pairs): 5754, Positive cache size: 5655, Positive conditional cache size: 0, Positive unconditional cache size: 5655, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1677, positive: 1397, positive conditional: 1397, positive unconditional: 0, negative: 280, negative conditional: 280, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1422, positive: 1397, positive conditional: 1397, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 22393, positive: 21943, positive conditional: 0, positive unconditional: 21943, negative: 450, negative conditional: 0, negative unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5754, positive: 5655, positive conditional: 0, positive unconditional: 5655, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5754, positive: 5641, positive conditional: 0, positive unconditional: 5641, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22393, positive: 16288, positive conditional: 0, positive unconditional: 16288, negative: 351, negative conditional: 0, negative unconditional: 351, unknown: 5754, unknown conditional: 0, unknown unconditional: 5754] , Statistics on independence cache: Total cache size (in pairs): 5754, Positive cache size: 5655, Positive conditional cache size: 0, Positive unconditional cache size: 5655, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99 ], Maximal queried relation: 0, Independence queries for same thread: 255 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 634, Number of persistent set computation: 2066, Number of trivial persistent sets: 2057, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 22393, positive: 21943, positive conditional: 0, positive unconditional: 21943, negative: 450, negative conditional: 0, negative unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5754, positive: 5655, positive conditional: 0, positive unconditional: 5655, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5754, positive: 5641, positive conditional: 0, positive unconditional: 5641, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22393, positive: 16288, positive conditional: 0, positive unconditional: 16288, negative: 351, negative conditional: 0, negative unconditional: 351, unknown: 5754, unknown conditional: 0, unknown unconditional: 5754] , Statistics on independence cache: Total cache size (in pairs): 5754, Positive cache size: 5655, Positive conditional cache size: 0, Positive unconditional cache size: 5655, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14953, positive: 12132, positive conditional: 12132, positive unconditional: 0, negative: 2821, negative conditional: 2821, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 12337, positive: 12132, positive conditional: 12132, positive unconditional: 0, negative: 205, negative conditional: 205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 39270, positive: 38660, positive conditional: 0, positive unconditional: 38660, negative: 610, negative conditional: 0, negative unconditional: 610, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6146, positive: 6043, positive conditional: 0, positive unconditional: 6043, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6146, positive: 6028, positive conditional: 0, positive unconditional: 6028, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 118, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 130, negative conditional: 27, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 100, negative conditional: 22, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39270, positive: 32617, positive conditional: 0, positive unconditional: 32617, negative: 507, negative conditional: 0, negative unconditional: 507, unknown: 6146, unknown conditional: 0, unknown unconditional: 6146] , Statistics on independence cache: Total cache size (in pairs): 6173, Positive cache size: 6043, Positive conditional cache size: 0, Positive unconditional cache size: 6043, Negative cache size: 130, Negative conditional cache size: 27, Negative unconditional cache size: 103, SemanticConditionEliminator.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 130, negative conditional: 27, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 100, negative conditional: 22, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1161, negative conditional: 212, negative unconditional: 949, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6173, Positive cache size: 6043, Positive conditional cache size: 0, Positive unconditional cache size: 6043, Negative cache size: 130, Negative conditional cache size: 27, Negative unconditional cache size: 103, Eliminated conditions: 949, SemanticConditionEliminator.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 130, negative conditional: 27, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 100, negative conditional: 22, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1161, negative conditional: 212, negative unconditional: 949, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6173, Positive cache size: 6043, Positive conditional cache size: 0, Positive unconditional cache size: 6043, Negative cache size: 130, Negative conditional cache size: 27, Negative unconditional cache size: 103, Eliminated conditions: 949, SemanticConditionEliminator.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 130, negative conditional: 27, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 100, negative conditional: 22, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1161, negative conditional: 212, negative unconditional: 949, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6173, Positive cache size: 6043, Positive conditional cache size: 0, Positive unconditional cache size: 6043, Negative cache size: 130, Negative conditional cache size: 27, Negative unconditional cache size: 103, Eliminated conditions: 949, SemanticConditionEliminator.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 130, negative conditional: 27, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 100, negative conditional: 22, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1161, negative conditional: 212, negative unconditional: 949, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6173, Positive cache size: 6043, Positive conditional cache size: 0, Positive unconditional cache size: 6043, Negative cache size: 130, Negative conditional cache size: 27, Negative unconditional cache size: 103, Eliminated conditions: 949, SemanticConditionEliminator.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 130, negative conditional: 27, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 100, negative conditional: 22, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1161, negative conditional: 212, negative unconditional: 949, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6173, Positive cache size: 6043, Positive conditional cache size: 0, Positive unconditional cache size: 6043, Negative cache size: 130, Negative conditional cache size: 27, Negative unconditional cache size: 103, Eliminated conditions: 949, SemanticConditionEliminator.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 130, negative conditional: 27, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 100, negative conditional: 22, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1161, negative conditional: 212, negative unconditional: 949, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6173, Positive cache size: 6043, Positive conditional cache size: 0, Positive unconditional cache size: 6043, Negative cache size: 130, Negative conditional cache size: 27, Negative unconditional cache size: 103, Eliminated conditions: 949, SemanticConditionEliminator.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1188, negative conditional: 239, negative unconditional: 949, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 130, negative conditional: 27, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 100, negative conditional: 22, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1188, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1161, negative conditional: 212, negative unconditional: 949, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6173, Positive cache size: 6043, Positive conditional cache size: 0, Positive unconditional cache size: 6043, Negative cache size: 130, Negative conditional cache size: 27, Negative unconditional cache size: 103, Eliminated conditions: 949 ], Maximal queried relation: 7, Independence queries for same thread: 2616 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 3631, Number of persistent set computation: 16056, Number of trivial persistent sets: 15797, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 39270, positive: 38660, positive conditional: 0, positive unconditional: 38660, negative: 610, negative conditional: 0, negative unconditional: 610, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6146, positive: 6043, positive conditional: 0, positive unconditional: 6043, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6146, positive: 6028, positive conditional: 0, positive unconditional: 6028, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 118, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 130, negative conditional: 27, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 100, negative conditional: 22, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39270, positive: 32617, positive conditional: 0, positive unconditional: 32617, negative: 507, negative conditional: 0, negative unconditional: 507, unknown: 6146, unknown conditional: 0, unknown unconditional: 6146] , Statistics on independence cache: Total cache size (in pairs): 6173, Positive cache size: 6043, Positive conditional cache size: 0, Positive unconditional cache size: 6043, Negative cache size: 130, Negative conditional cache size: 27, Negative unconditional cache size: 103 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1677, positive: 1397, positive conditional: 1397, positive unconditional: 0, negative: 280, negative conditional: 280, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1422, positive: 1397, positive conditional: 1397, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 22393, positive: 21943, positive conditional: 0, positive unconditional: 21943, negative: 450, negative conditional: 0, negative unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5754, positive: 5655, positive conditional: 0, positive unconditional: 5655, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5754, positive: 5641, positive conditional: 0, positive unconditional: 5641, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22393, positive: 16288, positive conditional: 0, positive unconditional: 16288, negative: 351, negative conditional: 0, negative unconditional: 351, unknown: 5754, unknown conditional: 0, unknown unconditional: 5754] , Statistics on independence cache: Total cache size (in pairs): 5754, Positive cache size: 5655, Positive conditional cache size: 0, Positive unconditional cache size: 5655, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99 ], Maximal queried relation: 0, Independence queries for same thread: 255 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 647, Number of persistent set computation: 2066, Number of trivial persistent sets: 2057, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 22393, positive: 21943, positive conditional: 0, positive unconditional: 21943, negative: 450, negative conditional: 0, negative unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5754, positive: 5655, positive conditional: 0, positive unconditional: 5655, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5754, positive: 5641, positive conditional: 0, positive unconditional: 5641, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22393, positive: 16288, positive conditional: 0, positive unconditional: 16288, negative: 351, negative conditional: 0, negative unconditional: 351, unknown: 5754, unknown conditional: 0, unknown unconditional: 5754] , Statistics on independence cache: Total cache size (in pairs): 5754, Positive cache size: 5655, Positive conditional cache size: 0, Positive unconditional cache size: 5655, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6500, positive: 5185, positive conditional: 5185, positive unconditional: 0, negative: 1315, negative conditional: 1315, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5277, positive: 5185, positive conditional: 5185, positive unconditional: 0, negative: 92, negative conditional: 92, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 29300, positive: 28810, positive conditional: 0, positive unconditional: 28810, negative: 490, negative conditional: 0, negative unconditional: 490, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6015, positive: 5913, positive conditional: 0, positive unconditional: 5913, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6015, positive: 5902, positive conditional: 0, positive unconditional: 5902, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 131, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 120, negative conditional: 18, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 106, negative conditional: 19, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29300, positive: 22897, positive conditional: 0, positive unconditional: 22897, negative: 388, negative conditional: 0, negative unconditional: 388, unknown: 6015, unknown conditional: 0, unknown unconditional: 6015] , Statistics on independence cache: Total cache size (in pairs): 6033, Positive cache size: 5913, Positive conditional cache size: 0, Positive unconditional cache size: 5913, Negative cache size: 120, Negative conditional cache size: 18, Negative unconditional cache size: 102, SemanticConditionEliminator.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 131, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 120, negative conditional: 18, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 106, negative conditional: 19, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 505, negative conditional: 61, negative unconditional: 444, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6033, Positive cache size: 5913, Positive conditional cache size: 0, Positive unconditional cache size: 5913, Negative cache size: 120, Negative conditional cache size: 18, Negative unconditional cache size: 102, Eliminated conditions: 444, SemanticConditionEliminator.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 131, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 120, negative conditional: 18, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 106, negative conditional: 19, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 505, negative conditional: 61, negative unconditional: 444, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6033, Positive cache size: 5913, Positive conditional cache size: 0, Positive unconditional cache size: 5913, Negative cache size: 120, Negative conditional cache size: 18, Negative unconditional cache size: 102, Eliminated conditions: 444, SemanticConditionEliminator.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 131, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 120, negative conditional: 18, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 106, negative conditional: 19, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 505, negative conditional: 61, negative unconditional: 444, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6033, Positive cache size: 5913, Positive conditional cache size: 0, Positive unconditional cache size: 5913, Negative cache size: 120, Negative conditional cache size: 18, Negative unconditional cache size: 102, Eliminated conditions: 444, SemanticConditionEliminator.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 131, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 120, negative conditional: 18, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 106, negative conditional: 19, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 505, negative conditional: 61, negative unconditional: 444, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6033, Positive cache size: 5913, Positive conditional cache size: 0, Positive unconditional cache size: 5913, Negative cache size: 120, Negative conditional cache size: 18, Negative unconditional cache size: 102, Eliminated conditions: 444, SemanticConditionEliminator.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 131, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 120, negative conditional: 18, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 106, negative conditional: 19, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 505, negative conditional: 61, negative unconditional: 444, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6033, Positive cache size: 5913, Positive conditional cache size: 0, Positive unconditional cache size: 5913, Negative cache size: 120, Negative conditional cache size: 18, Negative unconditional cache size: 102, Eliminated conditions: 444, SemanticConditionEliminator.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 523, negative conditional: 79, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 131, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 120, negative conditional: 18, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 106, negative conditional: 19, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 505, negative conditional: 61, negative unconditional: 444, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6033, Positive cache size: 5913, Positive conditional cache size: 0, Positive unconditional cache size: 5913, Negative cache size: 120, Negative conditional cache size: 18, Negative unconditional cache size: 102, Eliminated conditions: 444 ], Maximal queried relation: 6, Independence queries for same thread: 1223 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1740, Number of persistent set computation: 7405, Number of trivial persistent sets: 7296, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 29300, positive: 28810, positive conditional: 0, positive unconditional: 28810, negative: 490, negative conditional: 0, negative unconditional: 490, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6015, positive: 5913, positive conditional: 0, positive unconditional: 5913, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6015, positive: 5902, positive conditional: 0, positive unconditional: 5902, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 131, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 120, negative conditional: 18, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 106, negative conditional: 19, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29300, positive: 22897, positive conditional: 0, positive unconditional: 22897, negative: 388, negative conditional: 0, negative unconditional: 388, unknown: 6015, unknown conditional: 0, unknown unconditional: 6015] , Statistics on independence cache: Total cache size (in pairs): 6033, Positive cache size: 5913, Positive conditional cache size: 0, Positive unconditional cache size: 5913, Negative cache size: 120, Negative conditional cache size: 18, Negative unconditional cache size: 102 - PositiveResult [Line: 780]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 739]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2 with 1 thread instances CFG has 5 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 933.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.2ms, PartialOrderReductionTime: 888.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1 with 1 thread instances CFG has 5 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 682.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 661.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4588.0ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 4175.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, 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: 11.5ms SsaConstructionTime, 63.3ms SatisfiabilityAnalysisTime, 210.3ms InterpolantComputationTime, 332 NumberOfCodeBlocks, 332 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 694.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 670.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2221.6ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 2026.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 26, 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: 8.0ms SsaConstructionTime, 24.9ms SatisfiabilityAnalysisTime, 121.7ms InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...