/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:19:40,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:19:40,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:19:40,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:19:40,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:19:40,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:19:40,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:19:40,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:19:40,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:19:40,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:19:40,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:19:40,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:19:40,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:19:40,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:19:40,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:19:40,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:19:40,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:19:40,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:19:40,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:19:40,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:19:40,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:19:40,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:19:40,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:19:40,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:19:40,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 02:19:40,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 02:19:40,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 02:19:40,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 02:19:40,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 02:19:40,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 02:19:40,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:19:40,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:19:40,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:19:40,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:19:40,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:19:40,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:19:40,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:19:40,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:19:40,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:19:40,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:19:40,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:19:40,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 02:19:40,271 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:19:40,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:19:40,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:19:40,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:19:40,273 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:19:40,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:19:40,273 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:19:40,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:19:40,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:19:40,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:19:40,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:19:40,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:19:40,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:19:40,274 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:19:40,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:19:40,275 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:19:40,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:19:40,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:19:40,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:19:40,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:19:40,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:19:40,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:19:40,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:19:40,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:19:40,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:19:40,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:19:40,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:19:40,277 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:19:40,277 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:19:40,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:19:40,280 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:19:40,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:19:40,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:19:40,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:19:40,610 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:19:40,611 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:19:40,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2020-10-22 02:19:40,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2035511b/0ad06a6b1a994819881072112b58719e/FLAG441fdcca7 [2020-10-22 02:19:41,190 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:19:41,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2020-10-22 02:19:41,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2035511b/0ad06a6b1a994819881072112b58719e/FLAG441fdcca7 [2020-10-22 02:19:41,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2035511b/0ad06a6b1a994819881072112b58719e [2020-10-22 02:19:41,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:19:41,555 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:19:41,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:19:41,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:19:41,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:19:41,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:19:41" (1/1) ... [2020-10-22 02:19:41,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc0d0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41, skipping insertion in model container [2020-10-22 02:19:41,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:19:41" (1/1) ... [2020-10-22 02:19:41,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:19:41,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:19:42,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:19:42,064 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:19:42,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:19:42,210 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:19:42,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42 WrapperNode [2020-10-22 02:19:42,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:19:42,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:19:42,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:19:42,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:19:42,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42" (1/1) ... [2020-10-22 02:19:42,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42" (1/1) ... [2020-10-22 02:19:42,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:19:42,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:19:42,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:19:42,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:19:42,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42" (1/1) ... [2020-10-22 02:19:42,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42" (1/1) ... [2020-10-22 02:19:42,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42" (1/1) ... [2020-10-22 02:19:42,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42" (1/1) ... [2020-10-22 02:19:42,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42" (1/1) ... [2020-10-22 02:19:42,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42" (1/1) ... [2020-10-22 02:19:42,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42" (1/1) ... [2020-10-22 02:19:42,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:19:42,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:19:42,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:19:42,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:19:42,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42" (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 [2020-10-22 02:19:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:19:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 02:19:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:19:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:19:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 02:19:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 02:19:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 02:19:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 02:19:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:19:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 02:19:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:19:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:19:42,358 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:19:42,697 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:19:42,697 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 02:19:42,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:19:42 BoogieIcfgContainer [2020-10-22 02:19:42,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:19:42,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:19:42,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:19:42,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:19:42,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:19:41" (1/3) ... [2020-10-22 02:19:42,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f960f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:19:42, skipping insertion in model container [2020-10-22 02:19:42,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:42" (2/3) ... [2020-10-22 02:19:42,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f960f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:19:42, skipping insertion in model container [2020-10-22 02:19:42,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:19:42" (3/3) ... [2020-10-22 02:19:42,718 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_tso.opt.i [2020-10-22 02:19:42,729 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:19:42,729 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:19:42,737 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:19:42,738 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:19:42,766 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,766 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,767 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,767 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,769 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,769 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,774 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,775 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,789 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,789 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,795 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:19:42,809 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-22 02:19:42,830 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:19:42,831 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:19:42,831 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:19:42,831 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:19:42,831 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:19:42,832 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:19:42,832 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:19:42,832 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:19:42,850 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:19:42,850 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 63 transitions, 136 flow [2020-10-22 02:19:42,852 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 63 transitions, 136 flow [2020-10-22 02:19:42,854 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 67 places, 63 transitions, 136 flow [2020-10-22 02:19:42,895 INFO L129 PetriNetUnfolder]: 3/61 cut-off events. [2020-10-22 02:19:42,895 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 02:19:42,900 INFO L80 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 61 events. 3/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-10-22 02:19:42,902 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-10-22 02:19:44,412 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-10-22 02:19:44,502 INFO L131 LiptonReduction]: Checked pairs total: 1732 [2020-10-22 02:19:44,502 INFO L133 LiptonReduction]: Total number of compositions: 67 [2020-10-22 02:19:44,509 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 16 transitions, 42 flow [2020-10-22 02:19:44,522 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-10-22 02:19:44,524 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-22 02:19:44,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 02:19:44,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:44,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 02:19:44,532 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:44,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:44,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1371543398, now seen corresponding path program 1 times [2020-10-22 02:19:44,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:44,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061731411] [2020-10-22 02:19:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:44,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061731411] [2020-10-22 02:19:44,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:44,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:19:44,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [65401284] [2020-10-22 02:19:44,752 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:44,755 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:44,768 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 02:19:44,769 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:44,773 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:44,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:19:44,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:44,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:19:44,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:44,792 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-10-22 02:19:44,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:44,819 INFO L93 Difference]: Finished difference Result 72 states and 154 transitions. [2020-10-22 02:19:44,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:19:44,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-22 02:19:44,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:44,831 INFO L225 Difference]: With dead ends: 72 [2020-10-22 02:19:44,831 INFO L226 Difference]: Without dead ends: 56 [2020-10-22 02:19:44,832 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 [2020-10-22 02:19:44,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-22 02:19:44,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-22 02:19:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-22 02:19:44,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 114 transitions. [2020-10-22 02:19:44,875 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 114 transitions. Word has length 6 [2020-10-22 02:19:44,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:44,876 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 114 transitions. [2020-10-22 02:19:44,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:19:44,876 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2020-10-22 02:19:44,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 02:19:44,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:44,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:44,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:19:44,878 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:44,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:44,878 INFO L82 PathProgramCache]: Analyzing trace with hash 431820270, now seen corresponding path program 1 times [2020-10-22 02:19:44,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:44,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696960653] [2020-10-22 02:19:44,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:44,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696960653] [2020-10-22 02:19:44,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:44,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:19:44,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1670215718] [2020-10-22 02:19:44,960 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:44,961 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:44,966 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 9 transitions. [2020-10-22 02:19:44,966 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:44,981 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:44,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:19:44,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:44,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:19:44,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:44,984 INFO L87 Difference]: Start difference. First operand 56 states and 114 transitions. Second operand 3 states. [2020-10-22 02:19:44,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:44,991 INFO L93 Difference]: Finished difference Result 55 states and 111 transitions. [2020-10-22 02:19:44,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:19:44,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 02:19:44,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:44,993 INFO L225 Difference]: With dead ends: 55 [2020-10-22 02:19:44,993 INFO L226 Difference]: Without dead ends: 55 [2020-10-22 02:19:44,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:44,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-22 02:19:45,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-22 02:19:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-22 02:19:45,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 111 transitions. [2020-10-22 02:19:45,003 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 111 transitions. Word has length 7 [2020-10-22 02:19:45,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:45,003 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 111 transitions. [2020-10-22 02:19:45,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:19:45,004 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 111 transitions. [2020-10-22 02:19:45,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:19:45,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:45,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:45,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:19:45,005 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:45,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:45,006 INFO L82 PathProgramCache]: Analyzing trace with hash -383094824, now seen corresponding path program 1 times [2020-10-22 02:19:45,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:45,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244848699] [2020-10-22 02:19:45,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:45,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244848699] [2020-10-22 02:19:45,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:45,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:19:45,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1951280756] [2020-10-22 02:19:45,093 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:45,094 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:45,096 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 21 transitions. [2020-10-22 02:19:45,096 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:45,185 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:45,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:19:45,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:45,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:19:45,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:19:45,187 INFO L87 Difference]: Start difference. First operand 55 states and 111 transitions. Second operand 4 states. [2020-10-22 02:19:45,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:45,232 INFO L93 Difference]: Finished difference Result 56 states and 99 transitions. [2020-10-22 02:19:45,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:19:45,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-22 02:19:45,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:45,235 INFO L225 Difference]: With dead ends: 56 [2020-10-22 02:19:45,235 INFO L226 Difference]: Without dead ends: 40 [2020-10-22 02:19:45,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:19:45,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-22 02:19:45,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-22 02:19:45,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-22 02:19:45,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 66 transitions. [2020-10-22 02:19:45,242 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 66 transitions. Word has length 8 [2020-10-22 02:19:45,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:45,242 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 66 transitions. [2020-10-22 02:19:45,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:19:45,242 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-10-22 02:19:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:19:45,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:45,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:45,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:19:45,243 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:45,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:45,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1007823895, now seen corresponding path program 1 times [2020-10-22 02:19:45,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:45,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117450880] [2020-10-22 02:19:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:45,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117450880] [2020-10-22 02:19:45,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:45,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:19:45,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [876405094] [2020-10-22 02:19:45,285 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:45,286 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:45,288 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 21 transitions. [2020-10-22 02:19:45,288 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:45,351 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:45,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:19:45,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:45,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:19:45,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:45,352 INFO L87 Difference]: Start difference. First operand 40 states and 66 transitions. Second operand 3 states. [2020-10-22 02:19:45,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:45,365 INFO L93 Difference]: Finished difference Result 51 states and 79 transitions. [2020-10-22 02:19:45,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:19:45,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 02:19:45,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:45,366 INFO L225 Difference]: With dead ends: 51 [2020-10-22 02:19:45,366 INFO L226 Difference]: Without dead ends: 41 [2020-10-22 02:19:45,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:45,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-22 02:19:45,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-10-22 02:19:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-22 02:19:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 60 transitions. [2020-10-22 02:19:45,372 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 60 transitions. Word has length 9 [2020-10-22 02:19:45,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:45,372 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 60 transitions. [2020-10-22 02:19:45,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:19:45,372 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-10-22 02:19:45,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:19:45,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:45,373 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:45,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 02:19:45,374 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:45,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:45,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1633722403, now seen corresponding path program 1 times [2020-10-22 02:19:45,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:45,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170431190] [2020-10-22 02:19:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:45,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170431190] [2020-10-22 02:19:45,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:45,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:19:45,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2097401686] [2020-10-22 02:19:45,414 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:45,414 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:45,416 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 02:19:45,416 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:45,416 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:45,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:19:45,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:45,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:19:45,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:45,429 INFO L87 Difference]: Start difference. First operand 39 states and 60 transitions. Second operand 3 states. [2020-10-22 02:19:45,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:45,447 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2020-10-22 02:19:45,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:19:45,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 02:19:45,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:45,448 INFO L225 Difference]: With dead ends: 42 [2020-10-22 02:19:45,448 INFO L226 Difference]: Without dead ends: 31 [2020-10-22 02:19:45,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:45,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-22 02:19:45,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-10-22 02:19:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-22 02:19:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-10-22 02:19:45,453 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2020-10-22 02:19:45,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:45,453 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-10-22 02:19:45,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:19:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-10-22 02:19:45,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:19:45,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:45,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:45,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:19:45,454 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:45,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:45,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1177733491, now seen corresponding path program 1 times [2020-10-22 02:19:45,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:45,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851589860] [2020-10-22 02:19:45,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:45,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851589860] [2020-10-22 02:19:45,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:45,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:19:45,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [208696596] [2020-10-22 02:19:45,510 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:45,511 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:45,513 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 29 transitions. [2020-10-22 02:19:45,513 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:45,617 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:45,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:19:45,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:45,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:19:45,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:19:45,618 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 5 states. [2020-10-22 02:19:45,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:45,641 INFO L93 Difference]: Finished difference Result 25 states and 34 transitions. [2020-10-22 02:19:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:19:45,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-22 02:19:45,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:45,643 INFO L225 Difference]: With dead ends: 25 [2020-10-22 02:19:45,643 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 02:19:45,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:19:45,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 02:19:45,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 02:19:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 02:19:45,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 02:19:45,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-10-22 02:19:45,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:45,645 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 02:19:45,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:19:45,645 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 02:19:45,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 02:19:45,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:19:45,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:19:45 BasicIcfg [2020-10-22 02:19:45,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:19:45,651 INFO L168 Benchmark]: Toolchain (without parser) took 4100.91 ms. Allocated memory was 146.8 MB in the beginning and 246.9 MB in the end (delta: 100.1 MB). Free memory was 101.7 MB in the beginning and 185.9 MB in the end (delta: -84.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,652 INFO L168 Benchmark]: CDTParser took 3.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.43 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 100.9 MB in the beginning and 159.4 MB in the end (delta: -58.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.42 ms. Allocated memory is still 202.9 MB. Free memory was 159.4 MB in the beginning and 157.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,655 INFO L168 Benchmark]: Boogie Preprocessor took 26.12 ms. Allocated memory is still 202.9 MB. Free memory was 157.3 MB in the beginning and 155.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,655 INFO L168 Benchmark]: RCFGBuilder took 416.75 ms. Allocated memory is still 202.9 MB. Free memory was 155.3 MB in the beginning and 133.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,656 INFO L168 Benchmark]: TraceAbstraction took 2947.41 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 133.9 MB in the beginning and 185.9 MB in the end (delta: -52.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-22 02:19:45,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.43 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 100.9 MB in the beginning and 159.4 MB in the end (delta: -58.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.42 ms. Allocated memory is still 202.9 MB. Free memory was 159.4 MB in the beginning and 157.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.12 ms. Allocated memory is still 202.9 MB. Free memory was 157.3 MB in the beginning and 155.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 416.75 ms. Allocated memory is still 202.9 MB. Free memory was 155.3 MB in the beginning and 133.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2947.41 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 133.9 MB in the beginning and 185.9 MB in the end (delta: -52.0 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 440 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 16 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 67 PlacesBefore, 22 PlacesAfterwards, 63 TransitionsBefore, 16 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 7 FixpointIterations, 15 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 67 TotalNumberOfCompositions, 1732 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 3 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 79 SDtfs, 21 SDslu, 63 SDs, 0 SdLazy, 38 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...