/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-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 18:48:21,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 18:48:21,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 18:48:21,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 18:48:21,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 18:48:21,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 18:48:21,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 18:48:21,866 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-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 18:48:21,886 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 18:48:21,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 18:48:21,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 18:48:21,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 18:48:21,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 18:48:21,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 18:48:21,888 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 18:48:21,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 18:48:21,889 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 18:48:21,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 18:48:21,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 18:48:21,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 18:48:21,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 18:48:21,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 18:48:21,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 18:48:21,890 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 18:48:21,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 18:48:21,890 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 18:48:21,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 18:48:21,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 18:48:21,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 18:48:21,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 18:48:21,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 18:48:21,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 18:48:21,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 18:48:21,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 18:48:21,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 18:48:21,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 18:48:21,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 18:48:21,892 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 18:48:21,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 18:48:21,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 18:48:21,893 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 18:48:21,893 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 18:48:21,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 18:48:22,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 18:48:22,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 18:48:22,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 18:48:22,217 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 18:48:22,218 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 18:48:22,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2021-06-16 18:48:22,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5db9898b6/48d0e5917fd44fb88be9c8e397f9434d/FLAG79db1880e [2021-06-16 18:48:22,771 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 18:48:22,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2021-06-16 18:48:22,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5db9898b6/48d0e5917fd44fb88be9c8e397f9434d/FLAG79db1880e [2021-06-16 18:48:23,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5db9898b6/48d0e5917fd44fb88be9c8e397f9434d [2021-06-16 18:48:23,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 18:48:23,298 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 18:48:23,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 18:48:23,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 18:48:23,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 18:48:23,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 06:48:23" (1/1) ... [2021-06-16 18:48:23,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bb0ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23, skipping insertion in model container [2021-06-16 18:48:23,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 06:48:23" (1/1) ... [2021-06-16 18:48:23,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 18:48:23,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 18:48:23,514 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-16 18:48:23,599 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/peterson.i[30997,31010] [2021-06-16 18:48:23,604 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/peterson.i[31682,31695] [2021-06-16 18:48:23,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 18:48:23,613 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 18:48:23,624 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-16 18:48:23,641 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/peterson.i[30997,31010] [2021-06-16 18:48:23,643 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/peterson.i[31682,31695] [2021-06-16 18:48:23,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 18:48:23,705 INFO L208 MainTranslator]: Completed translation [2021-06-16 18:48:23,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23 WrapperNode [2021-06-16 18:48:23,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 18:48:23,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 18:48:23,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 18:48:23,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 18:48:23,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23" (1/1) ... [2021-06-16 18:48:23,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23" (1/1) ... [2021-06-16 18:48:23,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 18:48:23,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 18:48:23,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 18:48:23,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 18:48:23,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23" (1/1) ... [2021-06-16 18:48:23,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23" (1/1) ... [2021-06-16 18:48:23,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23" (1/1) ... [2021-06-16 18:48:23,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23" (1/1) ... [2021-06-16 18:48:23,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23" (1/1) ... [2021-06-16 18:48:23,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23" (1/1) ... [2021-06-16 18:48:23,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23" (1/1) ... [2021-06-16 18:48:23,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 18:48:23,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 18:48:23,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 18:48:23,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 18:48:23,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23" (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 [2021-06-16 18:48:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-16 18:48:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-16 18:48:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-16 18:48:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-16 18:48:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-16 18:48:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 18:48:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 18:48:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 18:48:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 18:48:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 18:48:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 18:48:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 18:48:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 18:48:23,868 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 18:48:24,177 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 18:48:24,178 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-16 18:48:24,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 06:48:24 BoogieIcfgContainer [2021-06-16 18:48:24,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 18:48:24,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 18:48:24,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 18:48:24,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 18:48:24,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 06:48:23" (1/3) ... [2021-06-16 18:48:24,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2390364d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 06:48:24, skipping insertion in model container [2021-06-16 18:48:24,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 06:48:23" (2/3) ... [2021-06-16 18:48:24,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2390364d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 06:48:24, skipping insertion in model container [2021-06-16 18:48:24,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 06:48:24" (3/3) ... [2021-06-16 18:48:24,185 INFO L111 eAbstractionObserver]: Analyzing ICFG peterson.i [2021-06-16 18:48:24,190 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 18:48:24,190 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 18:48:24,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-16 18:48:24,191 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 18:48:24,211 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,211 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,211 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,212 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,212 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,213 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,213 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,213 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,213 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,213 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,215 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,215 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,215 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,215 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,215 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,216 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,216 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,216 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,226 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,226 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,226 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,226 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,227 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,227 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 18:48:24,234 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-16 18:48:24,249 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 [2021-06-16 18:48:24,306 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 18:48:24,306 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 18:48:24,306 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 18:48:24,307 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 18:48:24,307 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 18:48:24,307 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 18:48:24,307 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 18:48:24,307 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2======== [2021-06-16 18:48:24,615 INFO L301 ceAbstractionStarter]: Result for error location thr2 was SAFE (1/5) [2021-06-16 18:48:24,617 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) [2021-06-16 18:48:24,633 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 18:48:24,633 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 18:48:24,633 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 18:48:24,633 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 18:48:24,633 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 18:48:24,633 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 18:48:24,633 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 18:48:24,634 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 [2021-06-16 18:48:24,793 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (2/5) [2021-06-16 18:48:24,794 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) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 18:48:24,807 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 18:48:24,807 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 18:48:24,807 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 18:48:24,807 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 18:48:24,807 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 18:48:24,808 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 18:48:24,808 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 18:48:24,808 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-06-16 18:48:24,812 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 18:48:24,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:48:24,817 INFO L82 PathProgramCache]: Analyzing trace with hash -59055298, now seen corresponding path program 1 times [2021-06-16 18:48:24,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:48:24,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091859667] [2021-06-16 18:48:24,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:48:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:48:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:48:24,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:48:24,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091859667] [2021-06-16 18:48:25,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091859667] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:48:25,000 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 18:48:25,000 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 18:48:25,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189256450] [2021-06-16 18:48:25,006 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 18:48:25,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:48:25,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 18:48:25,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 18:48:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,019 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 18:48:25,019 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 18:48:25,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,025 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 18:48:25,025 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 18:48:25,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:48:25,027 INFO L82 PathProgramCache]: Analyzing trace with hash -59025507, now seen corresponding path program 1 times [2021-06-16 18:48:25,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:48:25,028 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869687382] [2021-06-16 18:48:25,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:48:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:48:25,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:48:25,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:48:25,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869687382] [2021-06-16 18:48:25,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869687382] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:48:25,089 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 18:48:25,090 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 18:48:25,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705354912] [2021-06-16 18:48:25,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 18:48:25,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:48:25,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 18:48:25,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 18:48:25,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,092 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 18:48:25,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 18:48:25,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:25,187 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 18:48:25,187 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 18:48:25,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:48:25,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1422657810, now seen corresponding path program 1 times [2021-06-16 18:48:25,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:48:25,188 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720013933] [2021-06-16 18:48:25,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:48:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:48:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:48:25,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:48:25,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720013933] [2021-06-16 18:48:25,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720013933] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:48:25,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 18:48:25,310 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 18:48:25,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708291142] [2021-06-16 18:48:25,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 18:48:25,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:48:25,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 18:48:25,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-16 18:48:25,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,311 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 18:48:25,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 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) [2021-06-16 18:48:25,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:25,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:25,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 18:48:25,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 18:48:25,480 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 18:48:25,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:48:25,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1998336784, now seen corresponding path program 1 times [2021-06-16 18:48:25,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:48:25,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314044276] [2021-06-16 18:48:25,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:48:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:48:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:48:25,601 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:48:25,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314044276] [2021-06-16 18:48:25,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314044276] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:48:25,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 18:48:25,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 18:48:25,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928254873] [2021-06-16 18:48:25,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 18:48:25,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:48:25,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 18:48:25,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-16 18:48:25,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,610 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 18:48:25,610 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 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) [2021-06-16 18:48:25,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:25,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 18:48:25,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:25,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:25,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 18:48:25,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 18:48:25,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 18:48:25,849 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (3/5) [2021-06-16 18:48:25,850 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) [2021-06-16 18:48:25,864 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 18:48:25,864 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 18:48:25,864 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 18:48:25,864 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 18:48:25,865 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 18:48:25,865 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 18:48:25,865 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 18:48:25,865 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 18:48:25,977 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-16 18:48:25,977 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) [2021-06-16 18:48:25,986 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 18:48:25,986 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 18:48:25,986 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 18:48:25,986 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 18:48:25,986 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 18:48:25,986 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 18:48:25,986 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 18:48:25,986 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2Thread1of1ForFork1======== [2021-06-16 18:48:25,989 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 18:48:25,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:48:25,989 INFO L82 PathProgramCache]: Analyzing trace with hash 2131422540, now seen corresponding path program 1 times [2021-06-16 18:48:25,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:48:25,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746546811] [2021-06-16 18:48:25,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 18:48:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:48:26,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:48:26,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:48:26,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746546811] [2021-06-16 18:48:26,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746546811] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:48:26,027 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 18:48:26,027 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 18:48:26,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298689363] [2021-06-16 18:48:26,028 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 18:48:26,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:48:26,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 18:48:26,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 18:48:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,029 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 18:48:26,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 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) [2021-06-16 18:48:26,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 18:48:26,032 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 18:48:26,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:48:26,032 INFO L82 PathProgramCache]: Analyzing trace with hash -810205268, now seen corresponding path program 1 times [2021-06-16 18:48:26,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:48:26,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765861037] [2021-06-16 18:48:26,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:48:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:48:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:48:26,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:48:26,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765861037] [2021-06-16 18:48:26,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765861037] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:48:26,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 18:48:26,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 18:48:26,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583066719] [2021-06-16 18:48:26,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 18:48:26,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:48:26,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 18:48:26,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 18:48:26,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 18:48:26,079 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 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) [2021-06-16 18:48:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,090 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 18:48:26,090 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 18:48:26,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:48:26,091 INFO L82 PathProgramCache]: Analyzing trace with hash -390687926, now seen corresponding path program 1 times [2021-06-16 18:48:26,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:48:26,091 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999114505] [2021-06-16 18:48:26,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:48:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:48:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:48:26,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:48:26,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999114505] [2021-06-16 18:48:26,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999114505] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:48:26,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 18:48:26,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 18:48:26,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950859802] [2021-06-16 18:48:26,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 18:48:26,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:48:26,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 18:48:26,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 18:48:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,126 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 18:48:26,127 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 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) [2021-06-16 18:48:26,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,210 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-16 18:48:26,210 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 18:48:26,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:48:26,210 INFO L82 PathProgramCache]: Analyzing trace with hash -296180061, now seen corresponding path program 1 times [2021-06-16 18:48:26,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:48:26,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903409373] [2021-06-16 18:48:26,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:48:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:48:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:48:26,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:48:26,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903409373] [2021-06-16 18:48:26,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903409373] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:48:26,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 18:48:26,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 18:48:26,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015998177] [2021-06-16 18:48:26,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 18:48:26,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:48:26,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 18:48:26,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-16 18:48:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,294 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 18:48:26,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 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) [2021-06-16 18:48:26,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 18:48:26,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-16 18:48:26,464 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 18:48:26,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:48:26,465 INFO L82 PathProgramCache]: Analyzing trace with hash -736638253, now seen corresponding path program 1 times [2021-06-16 18:48:26,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:48:26,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283759755] [2021-06-16 18:48:26,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:48:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:48:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:48:26,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:48:26,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283759755] [2021-06-16 18:48:26,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283759755] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:48:26,545 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 18:48:26,546 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 18:48:26,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105568497] [2021-06-16 18:48:26,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 18:48:26,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:48:26,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 18:48:26,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-16 18:48:26,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,550 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 18:48:26,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2021-06-16 18:48:26,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 18:48:26,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 18:48:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:48:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 18:48:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 18:48:26,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-16 18:48:26,741 INFO L301 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (5/5) [2021-06-16 18:48:26,741 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 18:48:26,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 06:48:26 BasicIcfg [2021-06-16 18:48:26,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 18:48:26,745 INFO L168 Benchmark]: Toolchain (without parser) took 3447.14 ms. Allocated memory was 178.3 MB in the beginning and 255.9 MB in the end (delta: 77.6 MB). Free memory was 141.0 MB in the beginning and 106.6 MB in the end (delta: 34.4 MB). Peak memory consumption was 112.6 MB. Max. memory is 8.0 GB. [2021-06-16 18:48:26,745 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 178.3 MB. Free memory is still 158.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 18:48:26,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.73 ms. Allocated memory is still 178.3 MB. Free memory was 140.8 MB in the beginning and 141.1 MB in the end (delta: -223.8 kB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-16 18:48:26,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.80 ms. Allocated memory is still 178.3 MB. Free memory was 141.1 MB in the beginning and 139.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 18:48:26,746 INFO L168 Benchmark]: Boogie Preprocessor took 31.31 ms. Allocated memory is still 178.3 MB. Free memory was 139.0 MB in the beginning and 137.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 18:48:26,746 INFO L168 Benchmark]: RCFGBuilder took 385.62 ms. Allocated memory is still 178.3 MB. Free memory was 137.4 MB in the beginning and 115.3 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-06-16 18:48:26,747 INFO L168 Benchmark]: TraceAbstraction took 2564.18 ms. Allocated memory was 178.3 MB in the beginning and 255.9 MB in the end (delta: 77.6 MB). Free memory was 114.8 MB in the beginning and 106.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 86.9 MB. Max. memory is 8.0 GB. [2021-06-16 18:48:26,749 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 178.3 MB. Free memory is still 158.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 403.73 ms. Allocated memory is still 178.3 MB. Free memory was 140.8 MB in the beginning and 141.1 MB in the end (delta: -223.8 kB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.80 ms. Allocated memory is still 178.3 MB. Free memory was 141.1 MB in the beginning and 139.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.31 ms. Allocated memory is still 178.3 MB. Free memory was 139.0 MB in the beginning and 137.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 385.62 ms. Allocated memory is still 178.3 MB. Free memory was 137.4 MB in the beginning and 115.3 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2564.18 ms. Allocated memory was 178.3 MB in the beginning and 255.9 MB in the end (delta: 77.6 MB). Free memory was 114.8 MB in the beginning and 106.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 86.9 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: 5765, positive: 4794, positive conditional: 4794, positive unconditional: 0, negative: 971, negative conditional: 971, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4919, positive: 4794, positive conditional: 4794, positive unconditional: 0, negative: 125, negative conditional: 125, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4919, positive: 4794, positive conditional: 0, positive unconditional: 4794, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 650, positive: 631, positive conditional: 0, positive unconditional: 631, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 650, positive: 631, positive conditional: 0, positive unconditional: 631, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4919, positive: 4163, positive conditional: 0, positive unconditional: 4163, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 650, unknown conditional: 0, unknown unconditional: 650] , Statistics on independence cache: Total cache size (in pairs): 650, Positive cache size: 631, Positive conditional cache size: 0, Positive unconditional cache size: 631, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 ], Maximal queried relation: 0, Independence queries for same thread: 846 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5765, positive: 4794, positive conditional: 4794, positive unconditional: 0, negative: 971, negative conditional: 971, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4919, positive: 4794, positive conditional: 4794, positive unconditional: 0, negative: 125, negative conditional: 125, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4919, positive: 4794, positive conditional: 0, positive unconditional: 4794, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 650, positive: 631, positive conditional: 0, positive unconditional: 631, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 650, positive: 631, positive conditional: 0, positive unconditional: 631, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4919, positive: 4163, positive conditional: 0, positive unconditional: 4163, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 650, unknown conditional: 0, unknown unconditional: 650] , Statistics on independence cache: Total cache size (in pairs): 650, Positive cache size: 631, Positive conditional cache size: 0, Positive unconditional cache size: 631, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 ], Maximal queried relation: 0, Independence queries for same thread: 846 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8683, positive: 7330, positive conditional: 7330, positive unconditional: 0, negative: 1353, negative conditional: 1353, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7479, positive: 7330, positive conditional: 7330, positive unconditional: 0, negative: 149, negative conditional: 149, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7479, positive: 7330, positive conditional: 0, positive unconditional: 7330, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 590, positive: 571, positive conditional: 0, positive unconditional: 571, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 590, positive: 571, positive conditional: 0, positive unconditional: 571, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 8, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 15, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7479, positive: 6759, positive conditional: 0, positive unconditional: 6759, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 590, unknown conditional: 0, unknown unconditional: 590] , Statistics on independence cache: Total cache size (in pairs): 598, Positive cache size: 571, Positive conditional cache size: 0, Positive unconditional cache size: 571, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, SemanticConditionEliminator.Independence Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 522, negative conditional: 58, negative unconditional: 464, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 522, negative conditional: 58, negative unconditional: 464, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 8, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 15, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 514, negative conditional: 50, negative unconditional: 464, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 598, Positive cache size: 571, Positive conditional cache size: 0, Positive unconditional cache size: 571, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 522, negative conditional: 58, negative unconditional: 464, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 522, negative conditional: 58, negative unconditional: 464, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 8, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 15, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 514, negative conditional: 50, negative unconditional: 464, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 598, Positive cache size: 571, Positive conditional cache size: 0, Positive unconditional cache size: 571, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 522, negative conditional: 58, negative unconditional: 464, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 522, negative conditional: 58, negative unconditional: 464, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 8, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 15, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 514, negative conditional: 50, negative unconditional: 464, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 598, Positive cache size: 571, Positive conditional cache size: 0, Positive unconditional cache size: 571, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 522, negative conditional: 58, negative unconditional: 464, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 522, negative conditional: 58, negative unconditional: 464, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 8, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 15, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 522, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 514, negative conditional: 50, negative unconditional: 464, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 598, Positive cache size: 571, Positive conditional cache size: 0, Positive unconditional cache size: 571, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Eliminated conditions: 464 ], Maximal queried relation: 4, Independence queries for same thread: 1204 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5765, positive: 4794, positive conditional: 4794, positive unconditional: 0, negative: 971, negative conditional: 971, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4919, positive: 4794, positive conditional: 4794, positive unconditional: 0, negative: 125, negative conditional: 125, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4919, positive: 4794, positive conditional: 0, positive unconditional: 4794, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 650, positive: 631, positive conditional: 0, positive unconditional: 631, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 650, positive: 631, positive conditional: 0, positive unconditional: 631, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4919, positive: 4163, positive conditional: 0, positive unconditional: 4163, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 650, unknown conditional: 0, unknown unconditional: 650] , Statistics on independence cache: Total cache size (in pairs): 650, Positive cache size: 631, Positive conditional cache size: 0, Positive unconditional cache size: 631, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 ], Maximal queried relation: 0, Independence queries for same thread: 846 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8508, positive: 7184, positive conditional: 7184, positive unconditional: 0, negative: 1324, negative conditional: 1324, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7340, positive: 7184, positive conditional: 7184, positive unconditional: 0, negative: 156, negative conditional: 156, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7340, positive: 7184, positive conditional: 0, positive unconditional: 7184, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 570, positive: 551, positive conditional: 0, positive unconditional: 551, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 570, positive: 551, positive conditional: 0, positive unconditional: 551, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 10, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 69, negative conditional: 11, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7340, positive: 6633, positive conditional: 0, positive unconditional: 6633, negative: 137, negative conditional: 0, negative unconditional: 137, unknown: 570, unknown conditional: 0, unknown unconditional: 570] , Statistics on independence cache: Total cache size (in pairs): 580, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 29, Negative conditional cache size: 10, Negative unconditional cache size: 19, SemanticConditionEliminator.Independence Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 689, negative conditional: 66, negative unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 689, negative conditional: 66, negative unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 10, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 69, negative conditional: 11, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 679, negative conditional: 56, negative unconditional: 623, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 580, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 29, Negative conditional cache size: 10, Negative unconditional cache size: 19, Eliminated conditions: 623, SemanticConditionEliminator.Independence Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 689, negative conditional: 66, negative unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 689, negative conditional: 66, negative unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 10, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 69, negative conditional: 11, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 679, negative conditional: 56, negative unconditional: 623, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 580, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 29, Negative conditional cache size: 10, Negative unconditional cache size: 19, Eliminated conditions: 623, SemanticConditionEliminator.Independence Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 689, negative conditional: 66, negative unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 689, negative conditional: 66, negative unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 10, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 69, negative conditional: 11, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 679, negative conditional: 56, negative unconditional: 623, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 580, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 29, Negative conditional cache size: 10, Negative unconditional cache size: 19, Eliminated conditions: 623, SemanticConditionEliminator.Independence Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 689, negative conditional: 66, negative unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 689, negative conditional: 66, negative unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 10, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 69, negative conditional: 11, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 679, negative conditional: 56, negative unconditional: 623, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 580, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 29, Negative conditional cache size: 10, Negative unconditional cache size: 19, Eliminated conditions: 623, SemanticConditionEliminator.Independence Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 689, negative conditional: 66, negative unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 689, negative conditional: 66, negative unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 10, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 69, negative conditional: 11, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 689, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 679, negative conditional: 56, negative unconditional: 623, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 580, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 29, Negative conditional cache size: 10, Negative unconditional cache size: 19, Eliminated conditions: 623 ], Maximal queried relation: 5, Independence queries for same thread: 1168 - PositiveResult [Line: 753]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2 with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 355.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.8ms, PartialOrderReductionTime: 281.2ms, 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, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 167.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 156.3ms, 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, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1045.1ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 505.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 25, 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: 10.0ms SsaConstructionTime, 81.2ms SatisfiabilityAnalysisTime, 292.9ms InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 126.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 109.7ms, 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, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 762.9ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 453.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.0ms SsaConstructionTime, 35.2ms SatisfiabilityAnalysisTime, 162.3ms InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...