/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:02:28,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:02:28,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:02:28,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:02:28,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:02:28,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:02:28,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:02:28,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:02:28,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:02:28,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:02:28,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:02:28,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:02:28,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:02:28,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:02:28,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:02:28,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:02:28,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:02:28,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:02:28,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:02:28,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:02:28,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:02:28,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:02:28,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:02:28,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:02:28,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 22:02:28,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:02:28,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:02:28,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:02:28,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:02:28,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:02:28,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:02:28,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:02:28,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:02:28,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:02:28,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:02:28,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:02:29,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 22:02:29,042 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:02:29,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:02:29,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:02:29,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:02:29,044 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:02:29,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:02:29,045 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:02:29,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:02:29,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:02:29,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:02:29,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:02:29,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:02:29,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:02:29,047 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:02:29,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:02:29,048 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:02:29,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:02:29,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:02:29,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:02:29,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:02:29,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:02:29,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:02:29,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:02:29,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 22:02:29,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:02:29,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:02:29,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:02:29,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:02:29,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 22:02:29,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 22:02:29,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:02:29,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:02:29,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:02:29,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:02:29,398 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:02:29,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.opt.i [2020-10-21 22:02:29,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f1cd5063/d770fec7099d4b6798fa60ade6a0c28f/FLAGd2fcaf5d5 [2020-10-21 22:02:29,968 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:02:29,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.opt.i [2020-10-21 22:02:29,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f1cd5063/d770fec7099d4b6798fa60ade6a0c28f/FLAGd2fcaf5d5 [2020-10-21 22:02:30,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f1cd5063/d770fec7099d4b6798fa60ade6a0c28f [2020-10-21 22:02:30,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:02:30,254 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:02:30,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:02:30,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:02:30,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:02:30,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:02:30" (1/1) ... [2020-10-21 22:02:30,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ae6dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:30, skipping insertion in model container [2020-10-21 22:02:30,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:02:30" (1/1) ... [2020-10-21 22:02:30,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:02:30,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:02:30,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:02:30,889 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:02:30,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:02:31,041 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:02:31,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31 WrapperNode [2020-10-21 22:02:31,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:02:31,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:02:31,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:02:31,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:02:31,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31" (1/1) ... [2020-10-21 22:02:31,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31" (1/1) ... [2020-10-21 22:02:31,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:02:31,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:02:31,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:02:31,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:02:31,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31" (1/1) ... [2020-10-21 22:02:31,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31" (1/1) ... [2020-10-21 22:02:31,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31" (1/1) ... [2020-10-21 22:02:31,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31" (1/1) ... [2020-10-21 22:02:31,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31" (1/1) ... [2020-10-21 22:02:31,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31" (1/1) ... [2020-10-21 22:02:31,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31" (1/1) ... [2020-10-21 22:02:31,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:02:31,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:02:31,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:02:31,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:02:31,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31" (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 [2020-10-21 22:02:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:02:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 22:02:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:02:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:02:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 22:02:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 22:02:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 22:02:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 22:02:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 22:02:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 22:02:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 22:02:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 22:02:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:02:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 22:02:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:02:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:02:31,205 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:02:31,622 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:02:31,623 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-21 22:02:31,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:02:31 BoogieIcfgContainer [2020-10-21 22:02:31,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:02:31,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:02:31,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:02:31,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:02:31,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:02:30" (1/3) ... [2020-10-21 22:02:31,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102933c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:02:31, skipping insertion in model container [2020-10-21 22:02:31,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:31" (2/3) ... [2020-10-21 22:02:31,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102933c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:02:31, skipping insertion in model container [2020-10-21 22:02:31,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:02:31" (3/3) ... [2020-10-21 22:02:31,635 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_tso.opt.i [2020-10-21 22:02:31,646 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:02:31,646 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:02:31,654 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 22:02:31,655 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:02:31,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,685 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,685 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,687 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,688 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,689 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,689 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,690 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,691 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,691 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,691 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,692 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,692 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,696 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,697 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,706 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,706 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,709 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,709 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,713 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,713 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:31,715 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:02:31,729 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-21 22:02:31,751 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:02:31,752 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:02:31,752 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:02:31,752 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:02:31,752 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:02:31,752 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:02:31,753 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:02:31,753 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:02:31,768 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:02:31,771 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 90 transitions, 200 flow [2020-10-21 22:02:31,774 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 90 transitions, 200 flow [2020-10-21 22:02:31,776 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 90 transitions, 200 flow [2020-10-21 22:02:31,827 INFO L129 PetriNetUnfolder]: 3/86 cut-off events. [2020-10-21 22:02:31,827 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:02:31,833 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 86 events. 3/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-10-21 22:02:31,838 INFO L116 LiptonReduction]: Number of co-enabled transitions 2042 [2020-10-21 22:02:33,951 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-21 22:02:34,230 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-10-21 22:02:34,341 INFO L131 LiptonReduction]: Checked pairs total: 4371 [2020-10-21 22:02:34,341 INFO L133 LiptonReduction]: Total number of compositions: 85 [2020-10-21 22:02:34,350 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 26 transitions, 72 flow [2020-10-21 22:02:34,449 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-10-21 22:02:34,452 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-10-21 22:02:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 22:02:34,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:34,467 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:34,467 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:34,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:34,472 INFO L82 PathProgramCache]: Analyzing trace with hash -849468874, now seen corresponding path program 1 times [2020-10-21 22:02:34,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:34,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249177261] [2020-10-21 22:02:34,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:34,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249177261] [2020-10-21 22:02:34,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:34,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:02:34,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346943615] [2020-10-21 22:02:34,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:02:34,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:34,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:02:34,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:02:34,741 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-10-21 22:02:34,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:34,805 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-10-21 22:02:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:02:34,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-21 22:02:34,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:34,831 INFO L225 Difference]: With dead ends: 670 [2020-10-21 22:02:34,831 INFO L226 Difference]: Without dead ends: 526 [2020-10-21 22:02:34,833 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 [2020-10-21 22:02:34,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-21 22:02:34,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-10-21 22:02:34,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-21 22:02:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-10-21 22:02:34,956 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-10-21 22:02:34,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:34,957 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-10-21 22:02:34,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:02:34,957 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-10-21 22:02:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:02:34,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:34,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:34,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:02:34,961 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:34,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:34,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1548819894, now seen corresponding path program 1 times [2020-10-21 22:02:34,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:34,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220602448] [2020-10-21 22:02:34,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:35,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220602448] [2020-10-21 22:02:35,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:35,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:02:35,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754391175] [2020-10-21 22:02:35,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:02:35,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:35,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:02:35,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:02:35,052 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-10-21 22:02:35,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:35,084 INFO L93 Difference]: Finished difference Result 724 states and 2331 transitions. [2020-10-21 22:02:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:02:35,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-21 22:02:35,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:35,090 INFO L225 Difference]: With dead ends: 724 [2020-10-21 22:02:35,090 INFO L226 Difference]: Without dead ends: 412 [2020-10-21 22:02:35,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:35,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-10-21 22:02:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2020-10-21 22:02:35,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-10-21 22:02:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 1323 transitions. [2020-10-21 22:02:35,139 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 1323 transitions. Word has length 11 [2020-10-21 22:02:35,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:35,139 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 1323 transitions. [2020-10-21 22:02:35,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:02:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1323 transitions. [2020-10-21 22:02:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 22:02:35,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:35,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:35,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:02:35,142 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:35,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:35,142 INFO L82 PathProgramCache]: Analyzing trace with hash -295858392, now seen corresponding path program 1 times [2020-10-21 22:02:35,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:35,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606671044] [2020-10-21 22:02:35,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:35,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:35,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606671044] [2020-10-21 22:02:35,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:35,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:02:35,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514590183] [2020-10-21 22:02:35,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:02:35,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:35,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:02:35,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:02:35,240 INFO L87 Difference]: Start difference. First operand 412 states and 1323 transitions. Second operand 3 states. [2020-10-21 22:02:35,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:35,249 INFO L93 Difference]: Finished difference Result 394 states and 1254 transitions. [2020-10-21 22:02:35,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:02:35,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 22:02:35,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:35,253 INFO L225 Difference]: With dead ends: 394 [2020-10-21 22:02:35,254 INFO L226 Difference]: Without dead ends: 394 [2020-10-21 22:02:35,254 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 [2020-10-21 22:02:35,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-21 22:02:35,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-21 22:02:35,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-21 22:02:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1254 transitions. [2020-10-21 22:02:35,269 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1254 transitions. Word has length 12 [2020-10-21 22:02:35,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:35,269 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1254 transitions. [2020-10-21 22:02:35,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:02:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1254 transitions. [2020-10-21 22:02:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:02:35,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:35,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:35,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:02:35,273 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:35,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:35,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1042420885, now seen corresponding path program 1 times [2020-10-21 22:02:35,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:35,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835132813] [2020-10-21 22:02:35,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:35,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:35,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835132813] [2020-10-21 22:02:35,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:35,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:02:35,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292020312] [2020-10-21 22:02:35,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:02:35,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:35,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:02:35,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:02:35,331 INFO L87 Difference]: Start difference. First operand 394 states and 1254 transitions. Second operand 4 states. [2020-10-21 22:02:35,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:35,355 INFO L93 Difference]: Finished difference Result 538 states and 1654 transitions. [2020-10-21 22:02:35,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:02:35,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-21 22:02:35,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:35,358 INFO L225 Difference]: With dead ends: 538 [2020-10-21 22:02:35,359 INFO L226 Difference]: Without dead ends: 286 [2020-10-21 22:02:35,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:35,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-21 22:02:35,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2020-10-21 22:02:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-21 22:02:35,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 851 transitions. [2020-10-21 22:02:35,369 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 851 transitions. Word has length 13 [2020-10-21 22:02:35,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:35,369 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 851 transitions. [2020-10-21 22:02:35,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:02:35,370 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 851 transitions. [2020-10-21 22:02:35,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:02:35,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:35,371 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:35,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:02:35,372 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:35,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:35,372 INFO L82 PathProgramCache]: Analyzing trace with hash -402598089, now seen corresponding path program 1 times [2020-10-21 22:02:35,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:35,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733215359] [2020-10-21 22:02:35,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:35,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733215359] [2020-10-21 22:02:35,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:35,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:02:35,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709507563] [2020-10-21 22:02:35,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:02:35,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:35,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:02:35,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:02:35,443 INFO L87 Difference]: Start difference. First operand 286 states and 851 transitions. Second operand 4 states. [2020-10-21 22:02:35,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:35,483 INFO L93 Difference]: Finished difference Result 355 states and 990 transitions. [2020-10-21 22:02:35,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:02:35,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-21 22:02:35,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:35,485 INFO L225 Difference]: With dead ends: 355 [2020-10-21 22:02:35,486 INFO L226 Difference]: Without dead ends: 262 [2020-10-21 22:02:35,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:35,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-10-21 22:02:35,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2020-10-21 22:02:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-21 22:02:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 738 transitions. [2020-10-21 22:02:35,495 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 738 transitions. Word has length 14 [2020-10-21 22:02:35,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:35,496 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 738 transitions. [2020-10-21 22:02:35,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:02:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 738 transitions. [2020-10-21 22:02:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:02:35,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:35,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:35,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:02:35,498 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:35,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:35,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1456913458, now seen corresponding path program 1 times [2020-10-21 22:02:35,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:35,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65849274] [2020-10-21 22:02:35,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:35,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65849274] [2020-10-21 22:02:35,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:35,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:02:35,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691066141] [2020-10-21 22:02:35,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:02:35,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:35,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:02:35,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:35,562 INFO L87 Difference]: Start difference. First operand 262 states and 738 transitions. Second operand 5 states. [2020-10-21 22:02:35,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:35,616 INFO L93 Difference]: Finished difference Result 283 states and 734 transitions. [2020-10-21 22:02:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:02:35,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-21 22:02:35,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:35,619 INFO L225 Difference]: With dead ends: 283 [2020-10-21 22:02:35,619 INFO L226 Difference]: Without dead ends: 208 [2020-10-21 22:02:35,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:02:35,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-10-21 22:02:35,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2020-10-21 22:02:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-10-21 22:02:35,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 528 transitions. [2020-10-21 22:02:35,626 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 528 transitions. Word has length 15 [2020-10-21 22:02:35,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:35,627 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 528 transitions. [2020-10-21 22:02:35,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:02:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 528 transitions. [2020-10-21 22:02:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 22:02:35,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:35,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:35,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:02:35,628 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:35,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:35,629 INFO L82 PathProgramCache]: Analyzing trace with hash -2108608562, now seen corresponding path program 1 times [2020-10-21 22:02:35,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:35,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416225887] [2020-10-21 22:02:35,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:35,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416225887] [2020-10-21 22:02:35,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:35,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:02:35,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131607714] [2020-10-21 22:02:35,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:02:35,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:35,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:02:35,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:02:35,695 INFO L87 Difference]: Start difference. First operand 208 states and 528 transitions. Second operand 6 states. [2020-10-21 22:02:35,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:35,755 INFO L93 Difference]: Finished difference Result 201 states and 486 transitions. [2020-10-21 22:02:35,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:02:35,755 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-21 22:02:35,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:35,757 INFO L225 Difference]: With dead ends: 201 [2020-10-21 22:02:35,757 INFO L226 Difference]: Without dead ends: 163 [2020-10-21 22:02:35,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:02:35,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-21 22:02:35,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-10-21 22:02:35,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-21 22:02:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 394 transitions. [2020-10-21 22:02:35,763 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 394 transitions. Word has length 16 [2020-10-21 22:02:35,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:35,763 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 394 transitions. [2020-10-21 22:02:35,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:02:35,764 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 394 transitions. [2020-10-21 22:02:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 22:02:35,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:35,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:35,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:02:35,765 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:35,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:35,766 INFO L82 PathProgramCache]: Analyzing trace with hash -999056211, now seen corresponding path program 1 times [2020-10-21 22:02:35,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:35,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67426582] [2020-10-21 22:02:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:35,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67426582] [2020-10-21 22:02:35,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:35,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:02:35,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668199061] [2020-10-21 22:02:35,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:02:35,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:35,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:02:35,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:02:35,829 INFO L87 Difference]: Start difference. First operand 163 states and 394 transitions. Second operand 4 states. [2020-10-21 22:02:35,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:35,852 INFO L93 Difference]: Finished difference Result 263 states and 604 transitions. [2020-10-21 22:02:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:02:35,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-21 22:02:35,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:35,853 INFO L225 Difference]: With dead ends: 263 [2020-10-21 22:02:35,854 INFO L226 Difference]: Without dead ends: 127 [2020-10-21 22:02:35,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:35,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-21 22:02:35,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2020-10-21 22:02:35,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-21 22:02:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 265 transitions. [2020-10-21 22:02:35,867 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 265 transitions. Word has length 18 [2020-10-21 22:02:35,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:35,868 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 265 transitions. [2020-10-21 22:02:35,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:02:35,870 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 265 transitions. [2020-10-21 22:02:35,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 22:02:35,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:35,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:35,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 22:02:35,872 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:35,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:35,872 INFO L82 PathProgramCache]: Analyzing trace with hash 833653032, now seen corresponding path program 1 times [2020-10-21 22:02:35,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:35,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353869871] [2020-10-21 22:02:35,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:35,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:35,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353869871] [2020-10-21 22:02:35,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:35,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:02:35,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558975260] [2020-10-21 22:02:35,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:02:35,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:35,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:02:35,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:02:35,942 INFO L87 Difference]: Start difference. First operand 125 states and 265 transitions. Second operand 4 states. [2020-10-21 22:02:35,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:35,966 INFO L93 Difference]: Finished difference Result 142 states and 293 transitions. [2020-10-21 22:02:35,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:02:35,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-21 22:02:35,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:35,968 INFO L225 Difference]: With dead ends: 142 [2020-10-21 22:02:35,968 INFO L226 Difference]: Without dead ends: 87 [2020-10-21 22:02:35,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:35,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-21 22:02:35,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2020-10-21 22:02:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-21 22:02:35,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 160 transitions. [2020-10-21 22:02:35,972 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 160 transitions. Word has length 18 [2020-10-21 22:02:35,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:35,973 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 160 transitions. [2020-10-21 22:02:35,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:02:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 160 transitions. [2020-10-21 22:02:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 22:02:35,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:35,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:35,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 22:02:35,976 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:35,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:35,976 INFO L82 PathProgramCache]: Analyzing trace with hash 721666079, now seen corresponding path program 2 times [2020-10-21 22:02:35,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:35,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958085779] [2020-10-21 22:02:35,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:36,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:36,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958085779] [2020-10-21 22:02:36,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:36,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:02:36,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399841422] [2020-10-21 22:02:36,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:02:36,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:36,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:02:36,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:02:36,039 INFO L87 Difference]: Start difference. First operand 86 states and 160 transitions. Second operand 7 states. [2020-10-21 22:02:36,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:36,085 INFO L93 Difference]: Finished difference Result 81 states and 154 transitions. [2020-10-21 22:02:36,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:02:36,086 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-21 22:02:36,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:36,086 INFO L225 Difference]: With dead ends: 81 [2020-10-21 22:02:36,086 INFO L226 Difference]: Without dead ends: 0 [2020-10-21 22:02:36,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:02:36,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-21 22:02:36,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-21 22:02:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-21 22:02:36,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-21 22:02:36,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-21 22:02:36,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:36,088 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-21 22:02:36,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:02:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-21 22:02:36,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-21 22:02:36,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 22:02:36,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:02:36 BasicIcfg [2020-10-21 22:02:36,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:02:36,095 INFO L168 Benchmark]: Toolchain (without parser) took 5844.82 ms. Allocated memory was 146.3 MB in the beginning and 288.9 MB in the end (delta: 142.6 MB). Free memory was 100.2 MB in the beginning and 115.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 127.8 MB. Max. memory is 7.1 GB. [2020-10-21 22:02:36,096 INFO L168 Benchmark]: CDTParser took 3.00 ms. Allocated memory is still 146.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 22:02:36,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.77 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 99.2 MB in the beginning and 156.2 MB in the end (delta: -57.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-10-21 22:02:36,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.69 ms. Allocated memory is still 201.9 MB. Free memory was 156.2 MB in the beginning and 154.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:02:36,098 INFO L168 Benchmark]: Boogie Preprocessor took 39.37 ms. Allocated memory is still 201.9 MB. Free memory was 154.2 MB in the beginning and 152.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:02:36,099 INFO L168 Benchmark]: RCFGBuilder took 483.39 ms. Allocated memory is still 201.9 MB. Free memory was 152.2 MB in the beginning and 126.5 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-10-21 22:02:36,100 INFO L168 Benchmark]: TraceAbstraction took 4465.44 ms. Allocated memory was 201.9 MB in the beginning and 288.9 MB in the end (delta: 87.0 MB). Free memory was 125.8 MB in the beginning and 115.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2020-10-21 22:02:36,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.00 ms. Allocated memory is still 146.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.77 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 99.2 MB in the beginning and 156.2 MB in the end (delta: -57.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.69 ms. Allocated memory is still 201.9 MB. Free memory was 156.2 MB in the beginning and 154.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.37 ms. Allocated memory is still 201.9 MB. Free memory was 154.2 MB in the beginning and 152.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 483.39 ms. Allocated memory is still 201.9 MB. Free memory was 152.2 MB in the beginning and 126.5 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4465.44 ms. Allocated memory was 201.9 MB in the beginning and 288.9 MB in the end (delta: 87.0 MB). Free memory was 125.8 MB in the beginning and 115.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1452 VarBasedMoverChecksPositive, 69 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 53 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 96 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.5s, 100 PlacesBefore, 38 PlacesAfterwards, 90 TransitionsBefore, 26 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 7 FixpointIterations, 18 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 85 TotalNumberOfCompositions, 4371 MoverChecksTotal - PositiveResult [Line: 17]: 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 5 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 221 SDtfs, 240 SDslu, 330 SDs, 0 SdLazy, 162 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 5745 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...