/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 10:23:55,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 10:23:55,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 10:23:55,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 10:23:55,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 10:23:55,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 10:23:55,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 10:23:55,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 10:23:55,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 10:23:55,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 10:23:55,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 10:23:55,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 10:23:55,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 10:23:55,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 10:23:55,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 10:23:55,649 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-10 10:23:55,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 10:23:55,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 10:23:55,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 10:23:55,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 10:23:55,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 10:23:55,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 10:23:55,698 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 10:23:55,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 10:23:55,698 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 10:23:55,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 10:23:55,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 10:23:55,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 10:23:55,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 10:23:55,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 10:23:55,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 10:23:55,700 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 10:23:55,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 10:23:55,700 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 10:23:55,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 10:23:55,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 10:23:55,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 10:23:55,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 10:23:55,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 10:23:55,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 10:23:55,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 10:23:55,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 10:23:55,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 10:23:55,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 10:23:55,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 10:23:55,701 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 10:23:55,701 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 10:23:55,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 10:23:55,701 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 10:23:55,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 10:23:55,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 10:23:55,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 10:23:55,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 10:23:55,962 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 10:23:55,963 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 10:23:55,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2021-07-10 10:23:56,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be87c462b/34c7739ab90440e6b58d9f4c776e1d69/FLAGaae491755 [2021-07-10 10:23:56,464 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 10:23:56,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2021-07-10 10:23:56,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be87c462b/34c7739ab90440e6b58d9f4c776e1d69/FLAGaae491755 [2021-07-10 10:23:56,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be87c462b/34c7739ab90440e6b58d9f4c776e1d69 [2021-07-10 10:23:56,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 10:23:56,827 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 10:23:56,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 10:23:56,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 10:23:56,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 10:23:56,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 10:23:56" (1/1) ... [2021-07-10 10:23:56,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509674cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:56, skipping insertion in model container [2021-07-10 10:23:56,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 10:23:56" (1/1) ... [2021-07-10 10:23:56,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 10:23:56,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 10:23:57,023 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-wmm/safe031_tso.opt.i[949,962] [2021-07-10 10:23:57,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 10:23:57,207 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 10:23:57,215 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-wmm/safe031_tso.opt.i[949,962] [2021-07-10 10:23:57,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 10:23:57,275 INFO L208 MainTranslator]: Completed translation [2021-07-10 10:23:57,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57 WrapperNode [2021-07-10 10:23:57,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 10:23:57,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 10:23:57,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 10:23:57,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 10:23:57,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57" (1/1) ... [2021-07-10 10:23:57,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57" (1/1) ... [2021-07-10 10:23:57,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 10:23:57,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 10:23:57,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 10:23:57,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 10:23:57,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57" (1/1) ... [2021-07-10 10:23:57,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57" (1/1) ... [2021-07-10 10:23:57,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57" (1/1) ... [2021-07-10 10:23:57,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57" (1/1) ... [2021-07-10 10:23:57,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57" (1/1) ... [2021-07-10 10:23:57,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57" (1/1) ... [2021-07-10 10:23:57,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57" (1/1) ... [2021-07-10 10:23:57,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 10:23:57,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 10:23:57,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 10:23:57,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 10:23:57,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57" (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 [2021-07-10 10:23:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 10:23:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 10:23:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 10:23:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 10:23:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-10 10:23:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-10 10:23:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-10 10:23:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-10 10:23:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-10 10:23:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-10 10:23:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 10:23:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 10:23:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 10:23:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 10:23:57,392 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 10:23:57,634 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 10:23:57,634 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-10 10:23:57,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:23:57 BoogieIcfgContainer [2021-07-10 10:23:57,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 10:23:57,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 10:23:57,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 10:23:57,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 10:23:57,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 10:23:56" (1/3) ... [2021-07-10 10:23:57,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e77ff50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 10:23:57, skipping insertion in model container [2021-07-10 10:23:57,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:23:57" (2/3) ... [2021-07-10 10:23:57,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e77ff50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 10:23:57, skipping insertion in model container [2021-07-10 10:23:57,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:23:57" (3/3) ... [2021-07-10 10:23:57,641 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_tso.opt.i [2021-07-10 10:23:57,644 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 10:23:57,644 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 10:23:57,645 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 10:23:57,645 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 10:23:57,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,665 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,665 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,665 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,666 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,666 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,666 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,667 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,667 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,667 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,667 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,668 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,668 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,669 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,669 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,671 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,671 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,675 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,675 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,675 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,675 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,676 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,677 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:23:57,678 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 10:23:57,693 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-07-10 10:23:57,810 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 10:23:57,811 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 10:23:57,811 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 10:23:57,811 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 10:23:57,811 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 10:23:57,811 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 10:23:57,811 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 10:23:57,811 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 10:23:57,978 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 10:23:57,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:23:57,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1926090998, now seen corresponding path program 1 times [2021-07-10 10:23:57,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:23:57,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478491641] [2021-07-10 10:23:57,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:23:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:23:58,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:23:58,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:23:58,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478491641] [2021-07-10 10:23:58,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478491641] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:23:58,111 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:23:58,111 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 10:23:58,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829529952] [2021-07-10 10:23:58,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 10:23:58,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:23:58,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 10:23:58,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 10:23:58,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,124 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:23:58,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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) [2021-07-10 10:23:58,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 10:23:58,133 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 10:23:58,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:23:58,133 INFO L82 PathProgramCache]: Analyzing trace with hash 2019691919, now seen corresponding path program 1 times [2021-07-10 10:23:58,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:23:58,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143424910] [2021-07-10 10:23:58,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:23:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:23:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:23:58,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:23:58,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143424910] [2021-07-10 10:23:58,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143424910] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:23:58,261 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:23:58,261 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 10:23:58,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072286484] [2021-07-10 10:23:58,262 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 10:23:58,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:23:58,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 10:23:58,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 10:23:58,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:23:58,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2021-07-10 10:23:58,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:58,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 10:23:58,356 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 10:23:58,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:23:58,357 INFO L82 PathProgramCache]: Analyzing trace with hash -820513898, now seen corresponding path program 1 times [2021-07-10 10:23:58,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:23:58,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836521804] [2021-07-10 10:23:58,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:23:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:23:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:23:58,442 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:23:58,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836521804] [2021-07-10 10:23:58,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836521804] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:23:58,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:23:58,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 10:23:58,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61899317] [2021-07-10 10:23:58,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 10:23:58,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:23:58,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 10:23:58,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 10:23:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,443 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:23:58,444 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 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) [2021-07-10 10:23:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:23:58,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 10:23:58,537 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 10:23:58,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:23:58,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1178056810, now seen corresponding path program 1 times [2021-07-10 10:23:58,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:23:58,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606660357] [2021-07-10 10:23:58,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:23:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:23:58,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:23:58,612 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:23:58,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606660357] [2021-07-10 10:23:58,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606660357] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:23:58,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:23:58,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 10:23:58,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429287845] [2021-07-10 10:23:58,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 10:23:58,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:23:58,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 10:23:58,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 10:23:58,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:23:58,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2021-07-10 10:23:58,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:58,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:23:58,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:23:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:58,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 10:23:58,677 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 10:23:58,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:23:58,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1014617452, now seen corresponding path program 2 times [2021-07-10 10:23:58,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:23:58,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226834904] [2021-07-10 10:23:58,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:23:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:23:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:23:58,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:23:58,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226834904] [2021-07-10 10:23:58,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226834904] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:23:58,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:23:58,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 10:23:58,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051965126] [2021-07-10 10:23:58,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 10:23:58,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:23:58,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 10:23:58,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-10 10:23:58,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,751 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:23:58,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 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) [2021-07-10 10:23:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:23:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:58,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:58,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:23:58,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 10:23:58,947 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-10 10:23:58,947 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 10:23:58,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:23:58,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1678852775, now seen corresponding path program 1 times [2021-07-10 10:23:58,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:23:58,948 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385039644] [2021-07-10 10:23:58,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:23:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:23:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:23:59,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:23:59,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385039644] [2021-07-10 10:23:59,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385039644] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:23:59,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:23:59,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-10 10:23:59,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67041661] [2021-07-10 10:23:59,059 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 10:23:59,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:23:59,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 10:23:59,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-10 10:23:59,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:59,060 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:23:59,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 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) [2021-07-10 10:23:59,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:59,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:59,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:23:59,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:59,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 10:23:59,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:23:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:59,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:23:59,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:23:59,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 10:23:59,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:23:59,238 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-10 10:23:59,257 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 10:23:59,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 10:23:59 BasicIcfg [2021-07-10 10:23:59,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 10:23:59,260 INFO L168 Benchmark]: Toolchain (without parser) took 2432.86 ms. Allocated memory was 230.7 MB in the beginning and 317.7 MB in the end (delta: 87.0 MB). Free memory was 193.9 MB in the beginning and 253.6 MB in the end (delta: -59.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 8.0 GB. [2021-07-10 10:23:59,260 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 230.7 MB. Free memory is still 211.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 10:23:59,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.43 ms. Allocated memory is still 230.7 MB. Free memory was 193.7 MB in the beginning and 204.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 8.0 GB. [2021-07-10 10:23:59,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.23 ms. Allocated memory is still 230.7 MB. Free memory was 204.4 MB in the beginning and 202.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 10:23:59,260 INFO L168 Benchmark]: Boogie Preprocessor took 14.75 ms. Allocated memory is still 230.7 MB. Free memory was 202.3 MB in the beginning and 201.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 10:23:59,261 INFO L168 Benchmark]: RCFGBuilder took 310.52 ms. Allocated memory is still 230.7 MB. Free memory was 201.3 MB in the beginning and 177.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-10 10:23:59,261 INFO L168 Benchmark]: TraceAbstraction took 1622.39 ms. Allocated memory was 230.7 MB in the beginning and 317.7 MB in the end (delta: 87.0 MB). Free memory was 176.6 MB in the beginning and 253.6 MB in the end (delta: -77.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 8.0 GB. [2021-07-10 10:23:59,262 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 230.7 MB. Free memory is still 211.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 446.43 ms. Allocated memory is still 230.7 MB. Free memory was 193.7 MB in the beginning and 204.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 33.23 ms. Allocated memory is still 230.7 MB. Free memory was 204.4 MB in the beginning and 202.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.75 ms. Allocated memory is still 230.7 MB. Free memory was 202.3 MB in the beginning and 201.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 310.52 ms. Allocated memory is still 230.7 MB. Free memory was 201.3 MB in the beginning and 177.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1622.39 ms. Allocated memory was 230.7 MB in the beginning and 317.7 MB in the end (delta: 87.0 MB). Free memory was 176.6 MB in the beginning and 253.6 MB in the end (delta: -77.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9029, positive: 8860, positive conditional: 4487, positive unconditional: 4373, negative: 169, negative conditional: 128, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 8983, positive: 8860, positive conditional: 4487, positive unconditional: 4373, negative: 123, negative conditional: 82, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 8983, positive: 8690, positive conditional: 0, positive unconditional: 8690, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1178, positive: 1154, positive conditional: 0, positive unconditional: 1154, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1178, positive: 1148, positive conditional: 0, positive unconditional: 1148, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8983, positive: 7536, positive conditional: 0, positive unconditional: 7536, negative: 269, negative conditional: 0, negative unconditional: 269, unknown: 1178, unknown conditional: 0, unknown unconditional: 1178] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850 ], Maximal queried relation: 6, Independence queries for same thread: 46 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 196, Number of persistent set computation: 413, Number of trivial persistent sets: 232, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9029, positive: 8860, positive conditional: 4487, positive unconditional: 4373, negative: 169, negative conditional: 128, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 8983, positive: 8860, positive conditional: 4487, positive unconditional: 4373, negative: 123, negative conditional: 82, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 8983, positive: 8690, positive conditional: 0, positive unconditional: 8690, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1178, positive: 1154, positive conditional: 0, positive unconditional: 1154, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1178, positive: 1148, positive conditional: 0, positive unconditional: 1148, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8983, positive: 7536, positive conditional: 0, positive unconditional: 7536, negative: 269, negative conditional: 0, negative unconditional: 269, unknown: 1178, unknown conditional: 0, unknown unconditional: 1178] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850, SemanticConditionEliminator.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1280, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 1110, negative conditional: 153, negative unconditional: 957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 91, negative conditional: 7, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1280, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 1105, negative conditional: 148, negative unconditional: 957, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1192, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Eliminated conditions: 850 ], Maximal queried relation: 6, Independence queries for same thread: 46 - PositiveResult [Line: 18]: 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: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1552.7ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.7ms, PartialOrderReductionTime: 774.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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: 13.5ms SsaConstructionTime, 105.0ms SatisfiabilityAnalysisTime, 399.4ms InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 337 ConstructedInterpolants, 0 QuantifiedInterpolants, 812 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...