/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 23:29:44,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 23:29:44,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 23:29:44,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 23:29:44,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 23:29:44,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 23:29:44,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 23:29:44,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 23:29:44,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 23:29:44,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 23:29:44,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 23:29:44,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 23:29:44,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 23:29:44,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 23:29:44,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 23:29:44,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 23:29:44,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-16 23:29:44,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 23:29:44,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 23:29:44,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 23:29:44,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 23:29:44,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 23:29:44,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 23:29:44,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 23:29:44,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 23:29:44,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 23:29:44,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 23:29:44,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 23:29:44,183 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-Random42.epf [2021-06-16 23:29:44,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 23:29:44,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 23:29:44,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 23:29:44,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 23:29:44,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 23:29:44,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 23:29:44,218 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 23:29:44,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 23:29:44,219 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 23:29:44,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 23:29:44,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 23:29:44,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 23:29:44,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 23:29:44,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 23:29:44,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 23:29:44,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 23:29:44,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 23:29:44,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 23:29:44,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 23:29:44,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 23:29:44,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 23:29:44,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 23:29:44,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 23:29:44,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:29:44,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 23:29:44,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 23:29:44,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 23:29:44,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 23:29:44,222 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-16 23:29:44,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 23:29:44,223 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 23:29:44,223 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 23:29:44,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 23:29:44,223 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 23:29:44,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-16 23:29:44,224 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 23:29:44,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 23:29:44,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 23:29:44,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 23:29:44,579 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 23:29:44,579 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 23:29:44,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2021-06-16 23:29:44,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a910c8112/c47f95f6999944d1a3aa0c910cf4ea69/FLAGbe0c17284 [2021-06-16 23:29:45,002 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 23:29:45,003 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2021-06-16 23:29:45,003 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 23:29:45,004 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 23:29:45,004 WARN L117 ultiparseSymbolTable]: System include stdbool.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 23:29:45,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a910c8112/c47f95f6999944d1a3aa0c910cf4ea69/FLAGbe0c17284 [2021-06-16 23:29:45,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a910c8112/c47f95f6999944d1a3aa0c910cf4ea69 [2021-06-16 23:29:45,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 23:29:45,065 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 23:29:45,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 23:29:45,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 23:29:45,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 23:29:45,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 11:29:45" (1/1) ... [2021-06-16 23:29:45,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e38c8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45, skipping insertion in model container [2021-06-16 23:29:45,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 11:29:45" (1/1) ... [2021-06-16 23:29:45,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 23:29:45,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 23:29:45,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 23:29:45,246 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 23:29:45,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 23:29:45,267 INFO L208 MainTranslator]: Completed translation [2021-06-16 23:29:45,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45 WrapperNode [2021-06-16 23:29:45,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 23:29:45,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 23:29:45,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 23:29:45,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 23:29:45,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45" (1/1) ... [2021-06-16 23:29:45,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45" (1/1) ... [2021-06-16 23:29:45,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 23:29:45,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 23:29:45,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 23:29:45,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 23:29:45,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45" (1/1) ... [2021-06-16 23:29:45,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45" (1/1) ... [2021-06-16 23:29:45,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45" (1/1) ... [2021-06-16 23:29:45,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45" (1/1) ... [2021-06-16 23:29:45,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45" (1/1) ... [2021-06-16 23:29:45,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45" (1/1) ... [2021-06-16 23:29:45,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45" (1/1) ... [2021-06-16 23:29:45,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 23:29:45,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 23:29:45,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 23:29:45,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 23:29:45,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45" (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 23:29:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 23:29:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 23:29:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 23:29:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-16 23:29:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrement [2021-06-16 23:29:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrement [2021-06-16 23:29:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure firstIncrement [2021-06-16 23:29:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure firstIncrement [2021-06-16 23:29:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 23:29:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 23:29:45,373 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 23:29:45,730 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 23:29:45,730 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-16 23:29:45,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:29:45 BoogieIcfgContainer [2021-06-16 23:29:45,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 23:29:45,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 23:29:45,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 23:29:45,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 23:29:45,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 11:29:45" (1/3) ... [2021-06-16 23:29:45,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f0a4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 11:29:45, skipping insertion in model container [2021-06-16 23:29:45,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:29:45" (2/3) ... [2021-06-16 23:29:45,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f0a4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 11:29:45, skipping insertion in model container [2021-06-16 23:29:45,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:29:45" (3/3) ... [2021-06-16 23:29:45,738 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads.c [2021-06-16 23:29:45,745 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 23:29:45,745 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 23:29:45,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 23:29:45,746 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 23:29:45,780 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,780 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,781 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,781 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,781 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,781 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,782 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,782 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,783 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,783 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,783 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,784 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,785 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,785 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,785 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,785 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,785 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,785 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,786 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,786 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,786 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,786 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,787 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,787 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,787 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,787 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,787 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,788 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,788 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,788 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,789 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,789 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,789 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,789 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,790 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,790 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,790 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,790 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,790 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,791 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,791 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,791 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,791 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,791 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,793 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,793 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,793 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,794 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,794 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,799 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,799 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,799 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,799 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,800 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:29:45,828 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-16 23:29:45,846 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 23:29:45,904 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 23:29:45,904 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 23:29:45,905 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 23:29:45,905 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 23:29:45,905 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 23:29:45,905 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 23:29:45,905 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 23:29:45,905 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 23:29:45,948 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:29:45,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:29:45,953 INFO L82 PathProgramCache]: Analyzing trace with hash -771045299, now seen corresponding path program 1 times [2021-06-16 23:29:45,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:29:45,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666166245] [2021-06-16 23:29:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:29:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:46,113 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 23:29:46,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:29:46,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666166245] [2021-06-16 23:29:46,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666166245] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:29:46,116 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:29:46,116 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 23:29:46,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354995344] [2021-06-16 23:29:46,120 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 23:29:46,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:29:46,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 23:29:46,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 23:29:46,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,136 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:29:46,137 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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 23:29:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 23:29:46,151 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:29:46,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:29:46,152 INFO L82 PathProgramCache]: Analyzing trace with hash 562940811, now seen corresponding path program 1 times [2021-06-16 23:29:46,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:29:46,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766224039] [2021-06-16 23:29:46,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:29:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:46,208 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 23:29:46,208 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:29:46,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766224039] [2021-06-16 23:29:46,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766224039] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:29:46,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:29:46,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 23:29:46,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195105395] [2021-06-16 23:29:46,214 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 23:29:46,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:29:46,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 23:29:46,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 23:29:46,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,215 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:29:46,215 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 23:29:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:46,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 23:29:46,265 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:29:46,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:29:46,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1995813775, now seen corresponding path program 1 times [2021-06-16 23:29:46,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:29:46,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905392471] [2021-06-16 23:29:46,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:29:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:46,325 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 23:29:46,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:29:46,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905392471] [2021-06-16 23:29:46,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905392471] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:29:46,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:29:46,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 23:29:46,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787263848] [2021-06-16 23:29:46,327 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 23:29:46,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:29:46,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 23:29:46,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 23:29:46,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,328 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:29:46,328 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:29:46,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:46,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:46,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:46,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 23:29:46,352 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:29:46,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:29:46,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1161336015, now seen corresponding path program 1 times [2021-06-16 23:29:46,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:29:46,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304171860] [2021-06-16 23:29:46,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:29:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:46,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 23:29:46,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:29:46,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304171860] [2021-06-16 23:29:46,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304171860] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:46,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174344887] [2021-06-16 23:29:46,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:46,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-16 23:29:46,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:29:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 23:29:46,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174344887] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:46,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:29:46,683 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-16 23:29:46,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512804189] [2021-06-16 23:29:46,683 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 23:29:46,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:29:46,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 23:29:46,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-16 23:29:46,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,684 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:29:46,684 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:29:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:46,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:46,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:46,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:46,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:46,991 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:46,992 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:29:46,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:29:46,992 INFO L82 PathProgramCache]: Analyzing trace with hash 391510465, now seen corresponding path program 1 times [2021-06-16 23:29:46,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:29:46,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586560017] [2021-06-16 23:29:46,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:29:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-16 23:29:47,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:29:47,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586560017] [2021-06-16 23:29:47,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586560017] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:47,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041418243] [2021-06-16 23:29:47,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:47,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-16 23:29:47,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:29:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:29:47,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041418243] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:29:47,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-16 23:29:47,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 12 [2021-06-16 23:29:47,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047091884] [2021-06-16 23:29:47,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 23:29:47,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:29:47,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 23:29:47,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-16 23:29:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:47,363 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:29:47,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:29:47,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:47,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:47,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:47,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:47,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:47,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:47,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:47,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:47,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:47,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:29:47,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:47,797 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:29:47,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:29:47,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1439695319, now seen corresponding path program 2 times [2021-06-16 23:29:47,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:29:47,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852811455] [2021-06-16 23:29:47,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:29:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-16 23:29:47,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:29:47,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852811455] [2021-06-16 23:29:47,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852811455] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:47,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004720199] [2021-06-16 23:29:47,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:47,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:29:47,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:29:47,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-16 23:29:47,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:29:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:29:48,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004720199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:48,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:29:48,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-06-16 23:29:48,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42281548] [2021-06-16 23:29:48,101 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-16 23:29:48,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:29:48,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-16 23:29:48,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-16 23:29:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:48,102 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:29:48,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 10 states have internal predecessors, (98), 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 23:29:48,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:48,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:48,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:48,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:48,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:29:48,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:48,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:48,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:48,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:48,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:48,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:29:48,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:29:48,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:48,713 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:29:48,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:29:48,713 INFO L82 PathProgramCache]: Analyzing trace with hash -360328427, now seen corresponding path program 3 times [2021-06-16 23:29:48,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:29:48,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211274778] [2021-06-16 23:29:48,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:29:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-16 23:29:48,815 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:29:48,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211274778] [2021-06-16 23:29:48,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211274778] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:48,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453456081] [2021-06-16 23:29:48,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:48,876 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 23:29:48,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:29:48,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-16 23:29:48,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:29:48,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-16 23:29:48,917 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:29:48,919 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:29:48,919 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:29:48,919 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-06-16 23:29:48,949 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-16 23:29:48,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-16 23:29:48,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:29:48,953 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:29:48,954 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:29:48,954 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2021-06-16 23:29:49,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-16 23:29:49,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:29:49,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:29:49,012 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:29:49,012 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2021-06-16 23:29:49,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-06-16 23:29:49,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:29:49,119 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:29:49,124 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-16 23:29:49,124 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:21 [2021-06-16 23:29:49,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2021-06-16 23:29:49,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:29:49,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:29:49,315 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:29:49,315 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:32, output treesize:5 [2021-06-16 23:29:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-06-16 23:29:49,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453456081] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:49,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:29:49,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11] total 16 [2021-06-16 23:29:49,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900911024] [2021-06-16 23:29:49,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-16 23:29:49,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:29:49,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-16 23:29:49,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-06-16 23:29:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:49,401 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:29:49,402 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.5) internal successors, (104), 16 states have internal predecessors, (104), 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 23:29:49,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:49,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:49,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:49,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:49,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:29:49,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:29:49,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:29:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:29:50,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:29:50,568 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-16 23:29:50,568 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:29:50,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:29:50,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1298754805, now seen corresponding path program 2 times [2021-06-16 23:29:50,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:29:50,569 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471028445] [2021-06-16 23:29:50,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:29:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:50,686 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 35 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-16 23:29:50,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:29:50,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471028445] [2021-06-16 23:29:50,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471028445] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:50,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419067715] [2021-06-16 23:29:50,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:50,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:29:50,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:29:50,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-16 23:29:50,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:29:50,929 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 35 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-16 23:29:50,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419067715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:50,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:29:50,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-06-16 23:29:50,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504820769] [2021-06-16 23:29:50,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 23:29:50,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:29:50,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 23:29:50,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-06-16 23:29:50,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:50,930 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:29:50,931 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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 23:29:50,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:50,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:50,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:50,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:50,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:29:50,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:29:50,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:29:50,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:29:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:29:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:29:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:29:51,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:51,341 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:29:51,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:29:51,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1454125637, now seen corresponding path program 3 times [2021-06-16 23:29:51,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:29:51,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260193693] [2021-06-16 23:29:51,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:29:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 45 proven. 86 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-16 23:29:51,457 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:29:51,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260193693] [2021-06-16 23:29:51,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260193693] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:51,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165178203] [2021-06-16 23:29:51,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:51,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-16 23:29:51,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:29:51,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-16 23:29:51,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:29:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 131 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:29:51,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165178203] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:51,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:29:51,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 20] total 30 [2021-06-16 23:29:51,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797019337] [2021-06-16 23:29:51,972 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-16 23:29:51,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:29:51,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-16 23:29:51,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=736, Unknown=0, NotChecked=0, Total=870 [2021-06-16 23:29:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:51,973 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:29:51,974 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 6.0) internal successors, (180), 30 states have internal predecessors, (180), 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 23:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:57,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:57,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:57,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:57,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:57,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:29:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:29:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:29:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:29:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-06-16 23:29:57,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:57,625 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:29:57,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:29:57,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1641453191, now seen corresponding path program 4 times [2021-06-16 23:29:57,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:29:57,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401632091] [2021-06-16 23:29:57,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:29:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 38 proven. 14 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-16 23:29:57,672 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:29:57,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401632091] [2021-06-16 23:29:57,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401632091] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:57,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782072823] [2021-06-16 23:29:57,672 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:57,741 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 23:29:57,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:29:57,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-16 23:29:57,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:29:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 38 proven. 14 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-16 23:29:57,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782072823] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:57,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:29:57,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-16 23:29:57,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410004026] [2021-06-16 23:29:57,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 23:29:57,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:29:57,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 23:29:57,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-16 23:29:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:57,849 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:29:57,849 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 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 23:29:57,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:57,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:57,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:57,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:57,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:29:57,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:29:57,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:29:57,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:29:57,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-06-16 23:29:57,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:29:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:29:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:29:58,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:29:58,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-06-16 23:29:58,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:29:58,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-16 23:29:58,964 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:29:58,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:29:58,964 INFO L82 PathProgramCache]: Analyzing trace with hash -2142702629, now seen corresponding path program 5 times [2021-06-16 23:29:58,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:29:58,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329233604] [2021-06-16 23:29:58,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:29:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:29:59,024 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 39 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-16 23:29:59,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:29:59,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329233604] [2021-06-16 23:29:59,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329233604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:59,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047612538] [2021-06-16 23:29:59,024 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:29:59,087 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-16 23:29:59,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:29:59,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-16 23:29:59,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:29:59,368 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:29:59,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047612538] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:29:59,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:29:59,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16] total 24 [2021-06-16 23:29:59,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49758540] [2021-06-16 23:29:59,369 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-16 23:29:59,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:29:59,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-16 23:29:59,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2021-06-16 23:29:59,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:59,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:29:59,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 6.416666666666667) internal successors, (154), 24 states have internal predecessors, (154), 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 23:29:59,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:29:59,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:59,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:29:59,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:29:59,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:29:59,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:29:59,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:29:59,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:29:59,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-06-16 23:29:59,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:29:59,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:30:02,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:30:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:30:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:30:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:30:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:30:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:30:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:30:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:30:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2021-06-16 23:30:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:30:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-16 23:30:02,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:30:02,769 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:30:02,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:30:02,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1981574297, now seen corresponding path program 6 times [2021-06-16 23:30:02,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:30:02,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128628010] [2021-06-16 23:30:02,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:30:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:30:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 28 proven. 76 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 23:30:02,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:30:02,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128628010] [2021-06-16 23:30:02,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128628010] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:30:02,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244993298] [2021-06-16 23:30:02,857 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:30:02,920 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-16 23:30:02,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:30:02,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-16 23:30:02,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:30:03,160 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:30:03,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244993298] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:30:03,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-16 23:30:03,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [11] total 22 [2021-06-16 23:30:03,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227055130] [2021-06-16 23:30:03,161 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 23:30:03,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:30:03,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 23:30:03,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2021-06-16 23:30:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:30:03,162 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:30:03,162 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 7.5) internal successors, (90), 13 states have internal predecessors, (90), 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 23:30:03,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:30:03,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:30:03,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:30:03,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:30:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:30:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:30:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:30:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:30:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2021-06-16 23:30:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:30:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-16 23:30:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:30:06,944 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-06-16 23:30:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:30:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:30:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:30:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:30:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:30:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 23:30:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 23:30:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:30:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2021-06-16 23:30:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:30:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-06-16 23:30:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:30:15,799 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:30:15,810 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 23:30:15,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 11:30:15 BasicIcfg [2021-06-16 23:30:15,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 23:30:15,812 INFO L168 Benchmark]: Toolchain (without parser) took 30747.86 ms. Allocated memory was 242.2 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 204.6 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 963.5 MB. Max. memory is 8.0 GB. [2021-06-16 23:30:15,813 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 242.2 MB. Free memory is still 223.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 23:30:15,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.39 ms. Allocated memory is still 242.2 MB. Free memory was 204.5 MB in the beginning and 224.7 MB in the end (delta: -20.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-06-16 23:30:15,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.52 ms. Allocated memory is still 242.2 MB. Free memory was 224.1 MB in the beginning and 223.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 23:30:15,813 INFO L168 Benchmark]: Boogie Preprocessor took 16.34 ms. Allocated memory is still 242.2 MB. Free memory was 223.1 MB in the beginning and 222.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 23:30:15,813 INFO L168 Benchmark]: RCFGBuilder took 422.13 ms. Allocated memory is still 242.2 MB. Free memory was 222.0 MB in the beginning and 204.7 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-06-16 23:30:15,813 INFO L168 Benchmark]: TraceAbstraction took 30079.14 ms. Allocated memory was 242.2 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 204.2 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 964.1 MB. Max. memory is 8.0 GB. [2021-06-16 23:30:15,813 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 242.2 MB. Free memory is still 223.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 201.39 ms. Allocated memory is still 242.2 MB. Free memory was 204.5 MB in the beginning and 224.7 MB in the end (delta: -20.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.52 ms. Allocated memory is still 242.2 MB. Free memory was 224.1 MB in the beginning and 223.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.34 ms. Allocated memory is still 242.2 MB. Free memory was 223.1 MB in the beginning and 222.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 422.13 ms. Allocated memory is still 242.2 MB. Free memory was 222.0 MB in the beginning and 204.7 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30079.14 ms. Allocated memory was 242.2 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 204.2 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 964.1 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: 416010, positive: 328096, positive conditional: 328096, positive unconditional: 0, negative: 87914, negative conditional: 87914, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 334872, positive: 328096, positive conditional: 328096, positive unconditional: 0, negative: 6776, negative conditional: 6776, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 334872, positive: 328096, positive conditional: 0, positive unconditional: 328096, negative: 6776, negative conditional: 0, negative unconditional: 6776, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 482, positive: 475, positive conditional: 0, positive unconditional: 475, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 482, positive: 475, positive conditional: 0, positive unconditional: 475, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 334872, positive: 327621, positive conditional: 0, positive unconditional: 327621, negative: 6769, negative conditional: 0, negative unconditional: 6769, unknown: 482, unknown conditional: 0, unknown unconditional: 482] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007, SemanticConditionEliminator.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77648, negative conditional: 15641, negative unconditional: 62007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 438, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 658, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 658, negative conditional: 615, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 77648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77210, negative conditional: 15203, negative unconditional: 62007, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 920, Positive cache size: 475, Positive conditional cache size: 0, Positive unconditional cache size: 475, Negative cache size: 445, Negative conditional cache size: 438, Negative unconditional cache size: 7, Eliminated conditions: 62007 ], Maximal queried relation: 12, Independence queries for same thread: 81138 - PositiveResult [Line: 46]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29937.2ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 23919.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 494, 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: 116.7ms SsaConstructionTime, 432.3ms SatisfiabilityAnalysisTime, 3025.1ms InterpolantComputationTime, 1434 NumberOfCodeBlocks, 1413 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 1413 ConstructedInterpolants, 6 QuantifiedInterpolants, 3313 SizeOfPredicates, 74 NumberOfNonLiveVariables, 1146 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 21 InterpolantComputations, 5 PerfectInterpolantSequences, 754/1109 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...