/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:46:49,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:46:49,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:46:49,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:46:49,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:46:49,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:46:49,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:46:49,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:46:49,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:46:49,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:46:49,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:46:49,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:46:49,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:46:49,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:46:49,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:46:49,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:46:49,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:46:49,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:46:49,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:46:49,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:46:49,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:46:49,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:46:49,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:46:49,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:46:49,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 13:46:49,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 13:46:49,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 13:46:49,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 13:46:49,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 13:46:49,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 13:46:49,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:46:49,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:46:49,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:46:49,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:46:49,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:46:49,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:46:49,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:46:49,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:46:49,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:46:49,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:46:49,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:46:49,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 13:46:50,000 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:46:50,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:46:50,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:46:50,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:46:50,002 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:46:50,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:46:50,002 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:46:50,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:46:50,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:46:50,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:46:50,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:46:50,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:46:50,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:46:50,004 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:46:50,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:46:50,004 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:46:50,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:46:50,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:46:50,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:46:50,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:46:50,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:46:50,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:46:50,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:46:50,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:46:50,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:46:50,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:46:50,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:46:50,007 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:46:50,007 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:46:50,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:46:50,007 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:46:50,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:46:50,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:46:50,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:46:50,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:46:50,311 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:46:50,311 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2020-10-16 13:46:50,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7e57e5d5/c7aace2c131d4087b0890c306f3d73ea/FLAG5fed0f0d1 [2020-10-16 13:46:50,967 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:46:50,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2020-10-16 13:46:50,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7e57e5d5/c7aace2c131d4087b0890c306f3d73ea/FLAG5fed0f0d1 [2020-10-16 13:46:51,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7e57e5d5/c7aace2c131d4087b0890c306f3d73ea [2020-10-16 13:46:51,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:46:51,209 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:46:51,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:46:51,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:46:51,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:46:51,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:46:51" (1/1) ... [2020-10-16 13:46:51,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232453fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51, skipping insertion in model container [2020-10-16 13:46:51,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:46:51" (1/1) ... [2020-10-16 13:46:51,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:46:51,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:46:51,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:46:51,704 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:46:51,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:46:51,851 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:46:51,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51 WrapperNode [2020-10-16 13:46:51,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:46:51,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:46:51,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:46:51,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:46:51,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51" (1/1) ... [2020-10-16 13:46:51,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51" (1/1) ... [2020-10-16 13:46:51,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:46:51,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:46:51,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:46:51,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:46:51,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51" (1/1) ... [2020-10-16 13:46:51,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51" (1/1) ... [2020-10-16 13:46:51,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51" (1/1) ... [2020-10-16 13:46:51,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51" (1/1) ... [2020-10-16 13:46:51,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51" (1/1) ... [2020-10-16 13:46:51,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51" (1/1) ... [2020-10-16 13:46:51,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51" (1/1) ... [2020-10-16 13:46:51,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:46:51,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:46:51,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:46:51,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:46:51,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 13:46:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:46:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 13:46:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:46:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:46:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 13:46:51,995 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 13:46:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 13:46:51,995 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 13:46:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 13:46:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:46:51,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:46:51,998 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 13:46:52,289 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:46:52,289 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 13:46:52,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:46:52 BoogieIcfgContainer [2020-10-16 13:46:52,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:46:52,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:46:52,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:46:52,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:46:52,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:46:51" (1/3) ... [2020-10-16 13:46:52,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441d6ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:46:52, skipping insertion in model container [2020-10-16 13:46:52,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:51" (2/3) ... [2020-10-16 13:46:52,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441d6ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:46:52, skipping insertion in model container [2020-10-16 13:46:52,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:46:52" (3/3) ... [2020-10-16 13:46:52,300 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_tso.opt.i [2020-10-16 13:46:52,311 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:46:52,312 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:46:52,319 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 13:46:52,320 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:46:52,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,356 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,356 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,364 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,364 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,364 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,365 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,370 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,371 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,371 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:46:52,374 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:46:52,386 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-16 13:46:52,404 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:46:52,405 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:46:52,405 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:46:52,405 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:46:52,405 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:46:52,406 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:46:52,406 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:46:52,406 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:46:52,418 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:46:52,419 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 54 transitions, 118 flow [2020-10-16 13:46:52,422 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 54 transitions, 118 flow [2020-10-16 13:46:52,424 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 59 places, 54 transitions, 118 flow [2020-10-16 13:46:52,466 INFO L129 PetriNetUnfolder]: 2/52 cut-off events. [2020-10-16 13:46:52,466 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 13:46:52,471 INFO L80 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 52 events. 2/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-10-16 13:46:52,473 INFO L117 LiptonReduction]: Number of co-enabled transitions 672 [2020-10-16 13:46:53,625 INFO L132 LiptonReduction]: Checked pairs total: 1338 [2020-10-16 13:46:53,626 INFO L134 LiptonReduction]: Total number of compositions: 48 [2020-10-16 13:46:53,634 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow [2020-10-16 13:46:53,650 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-10-16 13:46:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-16 13:46:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 13:46:53,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:46:53,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 13:46:53,661 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:46:53,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:46:53,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1812706200, now seen corresponding path program 1 times [2020-10-16 13:46:53,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:46:53,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967423577] [2020-10-16 13:46:53,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:46:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:46:53,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:46:53,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967423577] [2020-10-16 13:46:53,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:46:53,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 13:46:53,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [56927022] [2020-10-16 13:46:53,961 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:46:53,964 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:46:53,978 INFO L258 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-16 13:46:53,978 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:46:53,983 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:46:53,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:46:53,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:46:53,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:46:53,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:46:53,997 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-10-16 13:46:54,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:46:54,026 INFO L93 Difference]: Finished difference Result 72 states and 154 transitions. [2020-10-16 13:46:54,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:46:54,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-16 13:46:54,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:46:54,039 INFO L225 Difference]: With dead ends: 72 [2020-10-16 13:46:54,039 INFO L226 Difference]: Without dead ends: 56 [2020-10-16 13:46:54,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:46:54,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-16 13:46:54,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-16 13:46:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-16 13:46:54,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 114 transitions. [2020-10-16 13:46:54,088 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 114 transitions. Word has length 6 [2020-10-16 13:46:54,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:46:54,089 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 114 transitions. [2020-10-16 13:46:54,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:46:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2020-10-16 13:46:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 13:46:54,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:46:54,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:46:54,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:46:54,091 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:46:54,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:46:54,092 INFO L82 PathProgramCache]: Analyzing trace with hash 343673099, now seen corresponding path program 1 times [2020-10-16 13:46:54,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:46:54,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561396672] [2020-10-16 13:46:54,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:46:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:46:54,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:46:54,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561396672] [2020-10-16 13:46:54,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:46:54,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 13:46:54,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2135161593] [2020-10-16 13:46:54,146 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:46:54,147 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:46:54,150 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 13 transitions. [2020-10-16 13:46:54,150 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:46:54,182 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:46:54,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:46:54,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:46:54,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:46:54,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:46:54,185 INFO L87 Difference]: Start difference. First operand 56 states and 114 transitions. Second operand 3 states. [2020-10-16 13:46:54,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:46:54,193 INFO L93 Difference]: Finished difference Result 55 states and 111 transitions. [2020-10-16 13:46:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:46:54,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 13:46:54,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:46:54,195 INFO L225 Difference]: With dead ends: 55 [2020-10-16 13:46:54,195 INFO L226 Difference]: Without dead ends: 55 [2020-10-16 13:46:54,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:46:54,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-16 13:46:54,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-16 13:46:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-16 13:46:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 111 transitions. [2020-10-16 13:46:54,206 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 111 transitions. Word has length 7 [2020-10-16 13:46:54,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:46:54,206 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 111 transitions. [2020-10-16 13:46:54,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:46:54,207 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 111 transitions. [2020-10-16 13:46:54,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 13:46:54,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:46:54,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:46:54,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:46:54,208 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:46:54,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:46:54,209 INFO L82 PathProgramCache]: Analyzing trace with hash 2063912123, now seen corresponding path program 1 times [2020-10-16 13:46:54,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:46:54,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956006739] [2020-10-16 13:46:54,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:46:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:46:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:46:54,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956006739] [2020-10-16 13:46:54,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:46:54,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:46:54,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [654413254] [2020-10-16 13:46:54,347 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:46:54,347 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:46:54,349 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 21 transitions. [2020-10-16 13:46:54,349 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:46:54,377 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:46:54,413 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:46:54,436 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:46:54,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:46:54,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:46:54,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:46:54,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:46:54,437 INFO L87 Difference]: Start difference. First operand 55 states and 111 transitions. Second operand 4 states. [2020-10-16 13:46:54,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:46:54,475 INFO L93 Difference]: Finished difference Result 56 states and 99 transitions. [2020-10-16 13:46:54,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 13:46:54,476 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-16 13:46:54,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:46:54,477 INFO L225 Difference]: With dead ends: 56 [2020-10-16 13:46:54,477 INFO L226 Difference]: Without dead ends: 40 [2020-10-16 13:46:54,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:46:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-16 13:46:54,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-16 13:46:54,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-16 13:46:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 66 transitions. [2020-10-16 13:46:54,484 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 66 transitions. Word has length 8 [2020-10-16 13:46:54,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:46:54,484 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 66 transitions. [2020-10-16 13:46:54,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:46:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-10-16 13:46:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:46:54,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:46:54,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:46:54,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:46:54,486 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:46:54,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:46:54,487 INFO L82 PathProgramCache]: Analyzing trace with hash -444073675, now seen corresponding path program 1 times [2020-10-16 13:46:54,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:46:54,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6582341] [2020-10-16 13:46:54,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:46:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:46:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:46:54,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6582341] [2020-10-16 13:46:54,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:46:54,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:46:54,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [894958312] [2020-10-16 13:46:54,521 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:46:54,522 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:46:54,523 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 21 transitions. [2020-10-16 13:46:54,523 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:46:54,545 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:46:54,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:46:54,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:46:54,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:46:54,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:46:54,547 INFO L87 Difference]: Start difference. First operand 40 states and 66 transitions. Second operand 3 states. [2020-10-16 13:46:54,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:46:54,555 INFO L93 Difference]: Finished difference Result 51 states and 79 transitions. [2020-10-16 13:46:54,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:46:54,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 13:46:54,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:46:54,557 INFO L225 Difference]: With dead ends: 51 [2020-10-16 13:46:54,557 INFO L226 Difference]: Without dead ends: 41 [2020-10-16 13:46:54,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:46:54,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-16 13:46:54,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-10-16 13:46:54,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-16 13:46:54,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 60 transitions. [2020-10-16 13:46:54,562 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 60 transitions. Word has length 9 [2020-10-16 13:46:54,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:46:54,563 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 60 transitions. [2020-10-16 13:46:54,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:46:54,563 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-10-16 13:46:54,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:46:54,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:46:54,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:46:54,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 13:46:54,565 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:46:54,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:46:54,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1686734005, now seen corresponding path program 1 times [2020-10-16 13:46:54,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:46:54,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243496570] [2020-10-16 13:46:54,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:46:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:46:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:46:54,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243496570] [2020-10-16 13:46:54,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:46:54,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:46:54,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1113698036] [2020-10-16 13:46:54,595 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:46:54,596 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:46:54,596 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 13:46:54,597 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:46:54,597 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:46:54,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:46:54,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:46:54,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:46:54,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:46:54,598 INFO L87 Difference]: Start difference. First operand 39 states and 60 transitions. Second operand 3 states. [2020-10-16 13:46:54,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:46:54,606 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2020-10-16 13:46:54,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:46:54,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 13:46:54,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:46:54,607 INFO L225 Difference]: With dead ends: 42 [2020-10-16 13:46:54,607 INFO L226 Difference]: Without dead ends: 31 [2020-10-16 13:46:54,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:46:54,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-16 13:46:54,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-10-16 13:46:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-16 13:46:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-10-16 13:46:54,612 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2020-10-16 13:46:54,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:46:54,613 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-10-16 13:46:54,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:46:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-10-16 13:46:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 13:46:54,614 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:46:54,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:46:54,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 13:46:54,614 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:46:54,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:46:54,615 INFO L82 PathProgramCache]: Analyzing trace with hash -881401391, now seen corresponding path program 1 times [2020-10-16 13:46:54,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:46:54,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548336364] [2020-10-16 13:46:54,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:46:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:46:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:46:54,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548336364] [2020-10-16 13:46:54,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:46:54,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:46:54,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [564008539] [2020-10-16 13:46:54,690 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:46:54,691 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:46:54,695 INFO L258 McrAutomatonBuilder]: Finished intersection with 21 states and 29 transitions. [2020-10-16 13:46:54,695 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:46:54,751 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [949#(<= ~__unbuffered_cnt~0 0)] [2020-10-16 13:46:54,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 13:46:54,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:46:54,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 13:46:54,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 13:46:54,752 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 6 states. [2020-10-16 13:46:54,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:46:54,775 INFO L93 Difference]: Finished difference Result 25 states and 34 transitions. [2020-10-16 13:46:54,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 13:46:54,775 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-16 13:46:54,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:46:54,776 INFO L225 Difference]: With dead ends: 25 [2020-10-16 13:46:54,776 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 13:46:54,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 13:46:54,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 13:46:54,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 13:46:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 13:46:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 13:46:54,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-10-16 13:46:54,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:46:54,778 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 13:46:54,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 13:46:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 13:46:54,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 13:46:54,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 13:46:54,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:46:54 BasicIcfg [2020-10-16 13:46:54,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:46:54,785 INFO L168 Benchmark]: Toolchain (without parser) took 3575.59 ms. Allocated memory was 140.0 MB in the beginning and 246.4 MB in the end (delta: 106.4 MB). Free memory was 101.6 MB in the beginning and 136.5 MB in the end (delta: -34.9 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. [2020-10-16 13:46:54,786 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 13:46:54,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.08 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 160.8 MB in the end (delta: -59.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-10-16 13:46:54,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.88 ms. Allocated memory is still 203.4 MB. Free memory was 160.8 MB in the beginning and 158.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-16 13:46:54,789 INFO L168 Benchmark]: Boogie Preprocessor took 35.25 ms. Allocated memory is still 203.4 MB. Free memory was 158.7 MB in the beginning and 156.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:46:54,790 INFO L168 Benchmark]: RCFGBuilder took 360.34 ms. Allocated memory is still 203.4 MB. Free memory was 156.8 MB in the beginning and 137.3 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2020-10-16 13:46:54,791 INFO L168 Benchmark]: TraceAbstraction took 2489.84 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 136.7 MB in the beginning and 136.5 MB in the end (delta: 199.7 kB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. [2020-10-16 13:46:54,795 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 642.08 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 160.8 MB in the end (delta: -59.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.88 ms. Allocated memory is still 203.4 MB. Free memory was 160.8 MB in the beginning and 158.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.25 ms. Allocated memory is still 203.4 MB. Free memory was 158.7 MB in the beginning and 156.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 360.34 ms. Allocated memory is still 203.4 MB. Free memory was 156.8 MB in the beginning and 137.3 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2489.84 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 136.7 MB in the beginning and 136.5 MB in the end (delta: 199.7 kB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 381 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 23 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 59 PlacesBefore, 22 PlacesAfterwards, 54 TransitionsBefore, 15 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 48 TotalNumberOfCompositions, 1338 MoverChecksTotal - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 79 SDtfs, 27 SDslu, 69 SDs, 0 SdLazy, 41 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...