/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:09:51,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:09:51,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:09:52,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:09:52,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:09:52,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:09:52,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:09:52,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:09:52,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:09:52,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:09:52,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:09:52,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:09:52,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:09:52,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:09:52,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:09:52,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:09:52,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:09:52,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:09:52,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:09:52,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:09:52,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:09:52,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:09:52,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:09:52,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:09:52,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:09:52,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:09:52,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:09:52,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:09:52,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:09:52,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:09:52,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:09:52,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:09:52,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:09:52,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:09:52,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:09:52,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:09:52,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:09:52,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:09:52,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:09:52,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:09:52,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:09:52,101 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.epf [2020-10-16 12:09:52,139 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:09:52,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:09:52,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:09:52,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:09:52,142 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:09:52,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:09:52,143 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:09:52,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:09:52,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:09:52,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:09:52,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:09:52,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:09:52,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:09:52,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:09:52,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:09:52,146 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:09:52,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:09:52,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:09:52,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:09:52,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:09:52,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:09:52,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:09:52,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:09:52,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:09:52,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:09:52,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:09:52,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:09:52,148 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:09:52,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:09:52,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:09:52,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:09:52,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:09:52,457 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:09:52,458 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:09:52,458 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2020-10-16 12:09:52,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86a6048d2/a24586ec8eca42c88413a7618b4850b7/FLAGf95ef0882 [2020-10-16 12:09:53,030 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:09:53,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2020-10-16 12:09:53,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86a6048d2/a24586ec8eca42c88413a7618b4850b7/FLAGf95ef0882 [2020-10-16 12:09:53,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86a6048d2/a24586ec8eca42c88413a7618b4850b7 [2020-10-16 12:09:53,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:09:53,286 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:09:53,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:09:53,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:09:53,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:09:53,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:09:53" (1/1) ... [2020-10-16 12:09:53,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614ecef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53, skipping insertion in model container [2020-10-16 12:09:53,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:09:53" (1/1) ... [2020-10-16 12:09:53,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:09:53,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:09:53,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:09:53,809 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:09:53,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:09:53,946 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:09:53,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53 WrapperNode [2020-10-16 12:09:53,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:09:53,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:09:53,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:09:53,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:09:53,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53" (1/1) ... [2020-10-16 12:09:53,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53" (1/1) ... [2020-10-16 12:09:53,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:09:53,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:09:53,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:09:53,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:09:54,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53" (1/1) ... [2020-10-16 12:09:54,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53" (1/1) ... [2020-10-16 12:09:54,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53" (1/1) ... [2020-10-16 12:09:54,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53" (1/1) ... [2020-10-16 12:09:54,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53" (1/1) ... [2020-10-16 12:09:54,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53" (1/1) ... [2020-10-16 12:09:54,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53" (1/1) ... [2020-10-16 12:09:54,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:09:54,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:09:54,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:09:54,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:09:54,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53" (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 12:09:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:09:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:09:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:09:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:09:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:09:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:09:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:09:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:09:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:09:54,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:09:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:09:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:09:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:09:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:09:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:09:54,096 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 12:09:54,450 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:09:54,450 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 12:09:54,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:09:54 BoogieIcfgContainer [2020-10-16 12:09:54,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:09:54,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:09:54,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:09:54,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:09:54,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:09:53" (1/3) ... [2020-10-16 12:09:54,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@887f423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:09:54, skipping insertion in model container [2020-10-16 12:09:54,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:53" (2/3) ... [2020-10-16 12:09:54,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@887f423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:09:54, skipping insertion in model container [2020-10-16 12:09:54,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:09:54" (3/3) ... [2020-10-16 12:09:54,462 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_tso.oepc.i [2020-10-16 12:09:54,471 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:09:54,472 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:09:54,479 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 12:09:54,480 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:09:54,519 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,519 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,519 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,520 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,521 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,521 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,522 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,522 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,524 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,524 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,526 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,526 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,530 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,536 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,542 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,542 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,545 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,545 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,548 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,549 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:54,552 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:09:54,567 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:09:54,589 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:09:54,589 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:09:54,590 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:09:54,590 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:09:54,590 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:09:54,590 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:09:54,590 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:09:54,590 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:09:54,606 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:09:54,606 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 81 transitions, 182 flow [2020-10-16 12:09:54,609 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 81 transitions, 182 flow [2020-10-16 12:09:54,611 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 182 flow [2020-10-16 12:09:54,661 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-16 12:09:54,662 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:09:54,667 INFO L80 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2020-10-16 12:09:54,670 INFO L117 LiptonReduction]: Number of co-enabled transitions 1822 [2020-10-16 12:09:56,248 INFO L132 LiptonReduction]: Checked pairs total: 3343 [2020-10-16 12:09:56,249 INFO L134 LiptonReduction]: Total number of compositions: 67 [2020-10-16 12:09:56,256 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 25 transitions, 70 flow [2020-10-16 12:09:56,302 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-10-16 12:09:56,304 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-10-16 12:09:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:09:56,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:56,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:56,316 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:56,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:56,322 INFO L82 PathProgramCache]: Analyzing trace with hash -2005095105, now seen corresponding path program 1 times [2020-10-16 12:09:56,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:56,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391553895] [2020-10-16 12:09:56,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:56,538 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 12:09:56,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391553895] [2020-10-16 12:09:56,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:56,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:09:56,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422809873] [2020-10-16 12:09:56,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:09:56,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:56,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:09:56,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:09:56,562 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-10-16 12:09:56,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:56,626 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-10-16 12:09:56,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:09:56,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-16 12:09:56,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:56,651 INFO L225 Difference]: With dead ends: 670 [2020-10-16 12:09:56,651 INFO L226 Difference]: Without dead ends: 526 [2020-10-16 12:09:56,653 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 12:09:56,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-16 12:09:56,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-10-16 12:09:56,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-16 12:09:56,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-10-16 12:09:56,762 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-10-16 12:09:56,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:56,771 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-10-16 12:09:56,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:09:56,771 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-10-16 12:09:56,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:09:56,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:56,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:56,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:09:56,774 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:56,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:56,775 INFO L82 PathProgramCache]: Analyzing trace with hash -2027540211, now seen corresponding path program 1 times [2020-10-16 12:09:56,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:56,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183408618] [2020-10-16 12:09:56,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:56,876 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 12:09:56,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183408618] [2020-10-16 12:09:56,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:56,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:09:56,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974480245] [2020-10-16 12:09:56,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:09:56,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:56,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:09:56,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:09:56,880 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-10-16 12:09:56,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:56,926 INFO L93 Difference]: Finished difference Result 724 states and 2331 transitions. [2020-10-16 12:09:56,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:09:56,926 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-16 12:09:56,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:56,932 INFO L225 Difference]: With dead ends: 724 [2020-10-16 12:09:56,932 INFO L226 Difference]: Without dead ends: 412 [2020-10-16 12:09:56,933 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 [2020-10-16 12:09:56,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-10-16 12:09:56,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2020-10-16 12:09:56,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-10-16 12:09:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 1323 transitions. [2020-10-16 12:09:56,961 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 1323 transitions. Word has length 11 [2020-10-16 12:09:56,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:56,961 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 1323 transitions. [2020-10-16 12:09:56,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:09:56,962 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1323 transitions. [2020-10-16 12:09:56,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:09:56,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:56,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:56,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:09:56,964 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:56,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:56,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1543893440, now seen corresponding path program 1 times [2020-10-16 12:09:56,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:56,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177354514] [2020-10-16 12:09:56,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:57,042 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 12:09:57,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177354514] [2020-10-16 12:09:57,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:57,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:09:57,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119764059] [2020-10-16 12:09:57,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:09:57,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:57,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:09:57,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:09:57,046 INFO L87 Difference]: Start difference. First operand 412 states and 1323 transitions. Second operand 3 states. [2020-10-16 12:09:57,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:57,058 INFO L93 Difference]: Finished difference Result 394 states and 1254 transitions. [2020-10-16 12:09:57,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:09:57,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 12:09:57,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:57,062 INFO L225 Difference]: With dead ends: 394 [2020-10-16 12:09:57,062 INFO L226 Difference]: Without dead ends: 394 [2020-10-16 12:09:57,063 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 12:09:57,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-16 12:09:57,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-16 12:09:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-16 12:09:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1254 transitions. [2020-10-16 12:09:57,094 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1254 transitions. Word has length 12 [2020-10-16 12:09:57,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:57,094 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1254 transitions. [2020-10-16 12:09:57,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:09:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1254 transitions. [2020-10-16 12:09:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:09:57,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:57,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:57,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:09:57,104 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:57,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:57,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1381595750, now seen corresponding path program 1 times [2020-10-16 12:09:57,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:57,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413939866] [2020-10-16 12:09:57,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:57,167 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 12:09:57,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413939866] [2020-10-16 12:09:57,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:57,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:09:57,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135565365] [2020-10-16 12:09:57,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:09:57,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:57,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:09:57,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:09:57,170 INFO L87 Difference]: Start difference. First operand 394 states and 1254 transitions. Second operand 4 states. [2020-10-16 12:09:57,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:57,198 INFO L93 Difference]: Finished difference Result 652 states and 1957 transitions. [2020-10-16 12:09:57,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:09:57,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 12:09:57,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:57,202 INFO L225 Difference]: With dead ends: 652 [2020-10-16 12:09:57,202 INFO L226 Difference]: Without dead ends: 340 [2020-10-16 12:09:57,202 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 [2020-10-16 12:09:57,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-10-16 12:09:57,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 304. [2020-10-16 12:09:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-16 12:09:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 891 transitions. [2020-10-16 12:09:57,215 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 891 transitions. Word has length 13 [2020-10-16 12:09:57,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:57,215 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 891 transitions. [2020-10-16 12:09:57,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:09:57,215 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 891 transitions. [2020-10-16 12:09:57,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:09:57,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:57,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:57,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:09:57,217 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:57,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:57,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1391724752, now seen corresponding path program 1 times [2020-10-16 12:09:57,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:57,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547387605] [2020-10-16 12:09:57,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:57,260 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 12:09:57,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547387605] [2020-10-16 12:09:57,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:57,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:09:57,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855808581] [2020-10-16 12:09:57,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:09:57,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:57,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:09:57,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:09:57,263 INFO L87 Difference]: Start difference. First operand 304 states and 891 transitions. Second operand 4 states. [2020-10-16 12:09:57,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:57,285 INFO L93 Difference]: Finished difference Result 406 states and 1128 transitions. [2020-10-16 12:09:57,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:09:57,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 12:09:57,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:57,288 INFO L225 Difference]: With dead ends: 406 [2020-10-16 12:09:57,288 INFO L226 Difference]: Without dead ends: 226 [2020-10-16 12:09:57,288 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 [2020-10-16 12:09:57,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-16 12:09:57,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-10-16 12:09:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-16 12:09:57,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 619 transitions. [2020-10-16 12:09:57,297 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 619 transitions. Word has length 13 [2020-10-16 12:09:57,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:57,297 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 619 transitions. [2020-10-16 12:09:57,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:09:57,297 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 619 transitions. [2020-10-16 12:09:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:09:57,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:57,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:57,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:09:57,299 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:57,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:57,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1162350155, now seen corresponding path program 1 times [2020-10-16 12:09:57,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:57,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109587205] [2020-10-16 12:09:57,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:57,427 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 12:09:57,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109587205] [2020-10-16 12:09:57,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:57,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:09:57,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739250955] [2020-10-16 12:09:57,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:09:57,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:57,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:09:57,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:09:57,430 INFO L87 Difference]: Start difference. First operand 226 states and 619 transitions. Second operand 4 states. [2020-10-16 12:09:57,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:57,466 INFO L93 Difference]: Finished difference Result 287 states and 728 transitions. [2020-10-16 12:09:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:09:57,466 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 12:09:57,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:57,468 INFO L225 Difference]: With dead ends: 287 [2020-10-16 12:09:57,469 INFO L226 Difference]: Without dead ends: 206 [2020-10-16 12:09:57,469 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 [2020-10-16 12:09:57,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-16 12:09:57,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-10-16 12:09:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-16 12:09:57,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 530 transitions. [2020-10-16 12:09:57,476 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 530 transitions. Word has length 14 [2020-10-16 12:09:57,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:57,477 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 530 transitions. [2020-10-16 12:09:57,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:09:57,477 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 530 transitions. [2020-10-16 12:09:57,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:09:57,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:57,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:57,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:09:57,479 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:57,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:57,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1647463604, now seen corresponding path program 1 times [2020-10-16 12:09:57,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:57,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407797760] [2020-10-16 12:09:57,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:57,548 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 12:09:57,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407797760] [2020-10-16 12:09:57,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:57,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:09:57,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176545820] [2020-10-16 12:09:57,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:09:57,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:57,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:09:57,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:09:57,551 INFO L87 Difference]: Start difference. First operand 206 states and 530 transitions. Second operand 5 states. [2020-10-16 12:09:57,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:57,599 INFO L93 Difference]: Finished difference Result 227 states and 530 transitions. [2020-10-16 12:09:57,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:09:57,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-16 12:09:57,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:57,601 INFO L225 Difference]: With dead ends: 227 [2020-10-16 12:09:57,602 INFO L226 Difference]: Without dead ends: 162 [2020-10-16 12:09:57,602 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 [2020-10-16 12:09:57,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-16 12:09:57,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-10-16 12:09:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-16 12:09:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 369 transitions. [2020-10-16 12:09:57,608 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 369 transitions. Word has length 15 [2020-10-16 12:09:57,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:57,608 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 369 transitions. [2020-10-16 12:09:57,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:09:57,609 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 369 transitions. [2020-10-16 12:09:57,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:09:57,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:57,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:57,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:09:57,610 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:57,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:57,610 INFO L82 PathProgramCache]: Analyzing trace with hash -469082430, now seen corresponding path program 1 times [2020-10-16 12:09:57,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:57,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819652249] [2020-10-16 12:09:57,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:57,687 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 12:09:57,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819652249] [2020-10-16 12:09:57,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:57,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:09:57,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384199297] [2020-10-16 12:09:57,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:09:57,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:57,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:09:57,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:09:57,690 INFO L87 Difference]: Start difference. First operand 162 states and 369 transitions. Second operand 6 states. [2020-10-16 12:09:57,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:57,753 INFO L93 Difference]: Finished difference Result 158 states and 337 transitions. [2020-10-16 12:09:57,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:09:57,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-16 12:09:57,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:57,755 INFO L225 Difference]: With dead ends: 158 [2020-10-16 12:09:57,755 INFO L226 Difference]: Without dead ends: 125 [2020-10-16 12:09:57,756 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 [2020-10-16 12:09:57,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-16 12:09:57,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-16 12:09:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-16 12:09:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 265 transitions. [2020-10-16 12:09:57,760 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 265 transitions. Word has length 16 [2020-10-16 12:09:57,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:57,761 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 265 transitions. [2020-10-16 12:09:57,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:09:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 265 transitions. [2020-10-16 12:09:57,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:09:57,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:57,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:57,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:09:57,762 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:57,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:57,763 INFO L82 PathProgramCache]: Analyzing trace with hash 483879941, now seen corresponding path program 1 times [2020-10-16 12:09:57,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:57,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632933529] [2020-10-16 12:09:57,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:57,870 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 12:09:57,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632933529] [2020-10-16 12:09:57,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:57,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:09:57,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097833171] [2020-10-16 12:09:57,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:09:57,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:57,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:09:57,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:09:57,872 INFO L87 Difference]: Start difference. First operand 125 states and 265 transitions. Second operand 7 states. [2020-10-16 12:09:57,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:57,969 INFO L93 Difference]: Finished difference Result 120 states and 253 transitions. [2020-10-16 12:09:57,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:09:57,970 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-16 12:09:57,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:57,970 INFO L225 Difference]: With dead ends: 120 [2020-10-16 12:09:57,971 INFO L226 Difference]: Without dead ends: 71 [2020-10-16 12:09:57,971 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 [2020-10-16 12:09:57,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-16 12:09:57,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-16 12:09:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-16 12:09:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-10-16 12:09:57,974 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 18 [2020-10-16 12:09:57,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:57,975 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-10-16 12:09:57,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:09:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-10-16 12:09:57,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 12:09:57,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:57,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:57,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:09:57,976 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:57,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:57,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1087350585, now seen corresponding path program 1 times [2020-10-16 12:09:57,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:57,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817825388] [2020-10-16 12:09:57,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:58,034 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 12:09:58,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817825388] [2020-10-16 12:09:58,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:58,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:09:58,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841905764] [2020-10-16 12:09:58,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:09:58,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:58,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:09:58,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:09:58,037 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states. [2020-10-16 12:09:58,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:58,052 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions. [2020-10-16 12:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:09:58,052 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-16 12:09:58,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:58,053 INFO L225 Difference]: With dead ends: 70 [2020-10-16 12:09:58,053 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 12:09:58,055 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 [2020-10-16 12:09:58,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 12:09:58,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 12:09:58,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 12:09:58,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 12:09:58,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-16 12:09:58,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:58,057 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 12:09:58,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:09:58,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 12:09:58,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 12:09:58,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:09:58,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:09:58 BasicIcfg [2020-10-16 12:09:58,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:09:58,066 INFO L168 Benchmark]: Toolchain (without parser) took 4778.68 ms. Allocated memory was 147.3 MB in the beginning and 276.8 MB in the end (delta: 129.5 MB). Free memory was 102.1 MB in the beginning and 228.9 MB in the end (delta: -126.8 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:09:58,067 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-16 12:09:58,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.29 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 162.1 MB in the end (delta: -60.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:09:58,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.47 ms. Allocated memory is still 205.0 MB. Free memory was 162.1 MB in the beginning and 160.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:09:58,077 INFO L168 Benchmark]: Boogie Preprocessor took 26.73 ms. Allocated memory is still 205.0 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:09:58,077 INFO L168 Benchmark]: RCFGBuilder took 428.90 ms. Allocated memory is still 205.0 MB. Free memory was 158.1 MB in the beginning and 134.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:09:58,080 INFO L168 Benchmark]: TraceAbstraction took 3608.13 ms. Allocated memory was 205.0 MB in the beginning and 276.8 MB in the end (delta: 71.8 MB). Free memory was 134.0 MB in the beginning and 228.9 MB in the end (delta: -94.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:09:58,089 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.29 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 162.1 MB in the end (delta: -60.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.47 ms. Allocated memory is still 205.0 MB. Free memory was 162.1 MB in the beginning and 160.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.73 ms. Allocated memory is still 205.0 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 428.90 ms. Allocated memory is still 205.0 MB. Free memory was 158.1 MB in the beginning and 134.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3608.13 ms. Allocated memory was 205.0 MB in the beginning and 276.8 MB in the end (delta: 71.8 MB). Free memory was 134.0 MB in the beginning and 228.9 MB in the end (delta: -94.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 962 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 67 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 92 PlacesBefore, 38 PlacesAfterwards, 81 TransitionsBefore, 25 TransitionsAfterwards, 1822 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 67 TotalNumberOfCompositions, 3343 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 5 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 219 SDtfs, 238 SDslu, 326 SDs, 0 SdLazy, 185 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 5386 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...