/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/thin002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:24:30,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:24:30,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:24:30,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:24:30,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:24:30,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:24:30,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:24:30,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:24:30,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:24:30,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:24:30,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:24:30,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:24:30,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:24:30,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:24:30,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:24:30,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:24:30,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:24:30,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:24:30,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:24:30,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:24:30,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:24:30,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:24:30,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:24:30,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:24:30,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 02:24:30,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:24:30,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:24:30,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:24:30,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:24:30,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:24:30,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:24:30,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:24:30,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:24:30,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:24:30,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:24:30,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:24:30,263 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 02:24:30,306 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:24:30,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:24:30,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:24:30,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:24:30,309 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:24:30,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:24:30,309 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:24:30,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:24:30,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:24:30,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:24:30,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:24:30,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:24:30,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:24:30,312 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:24:30,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:24:30,313 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:24:30,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:24:30,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:24:30,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:24:30,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:24:30,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:24:30,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:24:30,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:24:30,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:24:30,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:24:30,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:24:30,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:24:30,315 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:24:30,316 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:24:30,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:24:30,316 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:24:30,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:24:30,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:24:30,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:24:30,679 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:24:30,680 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:24:30,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-10-22 02:24:30,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2016eb015/102060e3173c4bd6b4ac54e570045bc7/FLAGce5091349 [2020-10-22 02:24:31,326 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:24:31,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-10-22 02:24:31,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2016eb015/102060e3173c4bd6b4ac54e570045bc7/FLAGce5091349 [2020-10-22 02:24:31,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2016eb015/102060e3173c4bd6b4ac54e570045bc7 [2020-10-22 02:24:31,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:24:31,612 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:24:31,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:24:31,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:24:31,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:24:31,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:24:31" (1/1) ... [2020-10-22 02:24:31,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6fe676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:31, skipping insertion in model container [2020-10-22 02:24:31,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:24:31" (1/1) ... [2020-10-22 02:24:31,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:24:31,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:24:32,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:24:32,244 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:24:32,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:24:32,395 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:24:32,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32 WrapperNode [2020-10-22 02:24:32,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:24:32,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:24:32,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:24:32,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:24:32,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32" (1/1) ... [2020-10-22 02:24:32,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32" (1/1) ... [2020-10-22 02:24:32,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:24:32,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:24:32,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:24:32,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:24:32,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32" (1/1) ... [2020-10-22 02:24:32,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32" (1/1) ... [2020-10-22 02:24:32,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32" (1/1) ... [2020-10-22 02:24:32,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32" (1/1) ... [2020-10-22 02:24:32,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32" (1/1) ... [2020-10-22 02:24:32,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32" (1/1) ... [2020-10-22 02:24:32,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32" (1/1) ... [2020-10-22 02:24:32,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:24:32,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:24:32,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:24:32,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:24:32,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32" (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 02:24:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:24:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 02:24:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:24:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:24:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 02:24:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 02:24:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 02:24:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 02:24:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 02:24:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 02:24:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-22 02:24:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-22 02:24:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:24:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 02:24:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:24:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:24:32,546 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 02:24:32,951 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:24:32,951 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 02:24:32,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:24:32 BoogieIcfgContainer [2020-10-22 02:24:32,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:24:32,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:24:32,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:24:32,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:24:32,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:24:31" (1/3) ... [2020-10-22 02:24:32,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c03e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:24:32, skipping insertion in model container [2020-10-22 02:24:32,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:32" (2/3) ... [2020-10-22 02:24:32,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c03e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:24:32, skipping insertion in model container [2020-10-22 02:24:32,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:24:32" (3/3) ... [2020-10-22 02:24:32,964 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_tso.opt.i [2020-10-22 02:24:32,975 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:24:32,976 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:24:32,983 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:24:32,984 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:24:33,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,019 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,019 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,027 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,028 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,033 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,034 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,034 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,034 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,039 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,039 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,046 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,046 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,049 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,050 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,054 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,055 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:33,057 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:24:33,070 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 02:24:33,091 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:24:33,091 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:24:33,091 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:24:33,092 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:24:33,092 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:24:33,092 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:24:33,092 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:24:33,092 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:24:33,107 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:24:33,108 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 95 transitions, 210 flow [2020-10-22 02:24:33,111 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 95 transitions, 210 flow [2020-10-22 02:24:33,113 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 105 places, 95 transitions, 210 flow [2020-10-22 02:24:33,179 INFO L129 PetriNetUnfolder]: 3/91 cut-off events. [2020-10-22 02:24:33,180 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 02:24:33,191 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 91 events. 3/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-10-22 02:24:33,198 INFO L116 LiptonReduction]: Number of co-enabled transitions 2256 [2020-10-22 02:24:35,025 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-10-22 02:24:35,138 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-22 02:24:35,158 INFO L131 LiptonReduction]: Checked pairs total: 4418 [2020-10-22 02:24:35,158 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-10-22 02:24:35,166 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-10-22 02:24:35,287 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-10-22 02:24:35,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-10-22 02:24:35,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:24:35,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:35,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:35,324 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:35,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:35,331 INFO L82 PathProgramCache]: Analyzing trace with hash 481695671, now seen corresponding path program 1 times [2020-10-22 02:24:35,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:35,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079673917] [2020-10-22 02:24:35,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:35,541 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 02:24:35,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079673917] [2020-10-22 02:24:35,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:35,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:24:35,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [536213660] [2020-10-22 02:24:35,545 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:35,549 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:35,566 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 02:24:35,566 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:35,571 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:35,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-22 02:24:35,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:35,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-22 02:24:35,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 02:24:35,586 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-10-22 02:24:35,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:35,637 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-10-22 02:24:35,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-22 02:24:35,639 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-22 02:24:35,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:35,677 INFO L225 Difference]: With dead ends: 1450 [2020-10-22 02:24:35,677 INFO L226 Difference]: Without dead ends: 1194 [2020-10-22 02:24:35,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 02:24:35,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-10-22 02:24:35,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-10-22 02:24:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-10-22 02:24:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-10-22 02:24:35,847 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-10-22 02:24:35,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:35,849 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-10-22 02:24:35,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-22 02:24:35,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-10-22 02:24:35,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 02:24:35,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:35,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:35,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:24:35,853 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:35,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:35,854 INFO L82 PathProgramCache]: Analyzing trace with hash 2047662136, now seen corresponding path program 1 times [2020-10-22 02:24:35,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:35,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130396747] [2020-10-22 02:24:35,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:36,003 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 02:24:36,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130396747] [2020-10-22 02:24:36,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:36,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:24:36,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [27889092] [2020-10-22 02:24:36,005 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:36,006 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:36,008 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 02:24:36,008 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:36,009 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:36,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:24:36,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:36,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:24:36,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:24:36,012 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 4 states. [2020-10-22 02:24:36,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:36,086 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-10-22 02:24:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:24:36,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-22 02:24:36,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:36,098 INFO L225 Difference]: With dead ends: 1322 [2020-10-22 02:24:36,098 INFO L226 Difference]: Without dead ends: 1066 [2020-10-22 02:24:36,099 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 [2020-10-22 02:24:36,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-10-22 02:24:36,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-10-22 02:24:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-10-22 02:24:36,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-10-22 02:24:36,191 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-10-22 02:24:36,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:36,192 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-10-22 02:24:36,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:24:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-10-22 02:24:36,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 02:24:36,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:36,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:36,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:24:36,202 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:36,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:36,203 INFO L82 PathProgramCache]: Analyzing trace with hash -947011909, now seen corresponding path program 1 times [2020-10-22 02:24:36,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:36,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122399673] [2020-10-22 02:24:36,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:36,327 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 02:24:36,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122399673] [2020-10-22 02:24:36,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:36,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:24:36,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1399841422] [2020-10-22 02:24:36,329 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:36,330 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:36,332 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 14 transitions. [2020-10-22 02:24:36,333 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:36,353 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:36,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:24:36,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:36,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:24:36,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:24:36,355 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 4 states. [2020-10-22 02:24:36,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:36,400 INFO L93 Difference]: Finished difference Result 1162 states and 4016 transitions. [2020-10-22 02:24:36,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:24:36,400 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-22 02:24:36,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:36,409 INFO L225 Difference]: With dead ends: 1162 [2020-10-22 02:24:36,409 INFO L226 Difference]: Without dead ends: 970 [2020-10-22 02:24:36,410 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 [2020-10-22 02:24:36,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-10-22 02:24:36,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2020-10-22 02:24:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-10-22 02:24:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 3408 transitions. [2020-10-22 02:24:36,456 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 3408 transitions. Word has length 12 [2020-10-22 02:24:36,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:36,457 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 3408 transitions. [2020-10-22 02:24:36,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:24:36,457 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 3408 transitions. [2020-10-22 02:24:36,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 02:24:36,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:36,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:36,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:24:36,460 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:36,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:36,461 INFO L82 PathProgramCache]: Analyzing trace with hash 639503440, now seen corresponding path program 1 times [2020-10-22 02:24:36,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:36,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026088864] [2020-10-22 02:24:36,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:36,555 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 02:24:36,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026088864] [2020-10-22 02:24:36,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:36,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:24:36,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1744609720] [2020-10-22 02:24:36,560 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:36,562 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:36,564 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 26 transitions. [2020-10-22 02:24:36,565 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:36,666 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:36,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:24:36,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:36,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:24:36,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:24:36,668 INFO L87 Difference]: Start difference. First operand 970 states and 3408 transitions. Second operand 5 states. [2020-10-22 02:24:36,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:36,739 INFO L93 Difference]: Finished difference Result 1210 states and 4168 transitions. [2020-10-22 02:24:36,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:24:36,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-22 02:24:36,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:36,746 INFO L225 Difference]: With dead ends: 1210 [2020-10-22 02:24:36,747 INFO L226 Difference]: Without dead ends: 682 [2020-10-22 02:24:36,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:24:36,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-10-22 02:24:36,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2020-10-22 02:24:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-10-22 02:24:36,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 2240 transitions. [2020-10-22 02:24:36,791 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 2240 transitions. Word has length 13 [2020-10-22 02:24:36,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:36,791 INFO L481 AbstractCegarLoop]: Abstraction has 682 states and 2240 transitions. [2020-10-22 02:24:36,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:24:36,792 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 2240 transitions. [2020-10-22 02:24:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 02:24:36,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:36,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:36,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 02:24:36,794 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:36,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:36,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1293879022, now seen corresponding path program 1 times [2020-10-22 02:24:36,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:36,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8028832] [2020-10-22 02:24:36,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:36,906 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 02:24:36,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8028832] [2020-10-22 02:24:36,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:36,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:24:36,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1910629071] [2020-10-22 02:24:36,908 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:36,911 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:36,913 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 28 transitions. [2020-10-22 02:24:36,913 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:36,981 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:36,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:24:36,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:36,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:24:36,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:24:36,982 INFO L87 Difference]: Start difference. First operand 682 states and 2240 transitions. Second operand 4 states. [2020-10-22 02:24:37,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:37,014 INFO L93 Difference]: Finished difference Result 730 states and 2332 transitions. [2020-10-22 02:24:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:24:37,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-22 02:24:37,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:37,020 INFO L225 Difference]: With dead ends: 730 [2020-10-22 02:24:37,020 INFO L226 Difference]: Without dead ends: 634 [2020-10-22 02:24:37,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 02:24:37,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-10-22 02:24:37,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-10-22 02:24:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-10-22 02:24:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 2052 transitions. [2020-10-22 02:24:37,046 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 2052 transitions. Word has length 14 [2020-10-22 02:24:37,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:37,046 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 2052 transitions. [2020-10-22 02:24:37,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:24:37,047 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 2052 transitions. [2020-10-22 02:24:37,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 02:24:37,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:37,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:37,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:24:37,049 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:37,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:37,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1455505723, now seen corresponding path program 1 times [2020-10-22 02:24:37,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:37,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11221133] [2020-10-22 02:24:37,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:37,098 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 02:24:37,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11221133] [2020-10-22 02:24:37,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:37,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:24:37,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1032888194] [2020-10-22 02:24:37,100 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:37,102 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:37,107 INFO L252 McrAutomatonBuilder]: Finished intersection with 40 states and 70 transitions. [2020-10-22 02:24:37,107 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:37,410 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:37,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:24:37,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:37,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:24:37,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:24:37,412 INFO L87 Difference]: Start difference. First operand 634 states and 2052 transitions. Second operand 4 states. [2020-10-22 02:24:37,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:37,437 INFO L93 Difference]: Finished difference Result 670 states and 2118 transitions. [2020-10-22 02:24:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:24:37,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-22 02:24:37,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:37,443 INFO L225 Difference]: With dead ends: 670 [2020-10-22 02:24:37,443 INFO L226 Difference]: Without dead ends: 598 [2020-10-22 02:24:37,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 02:24:37,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-22 02:24:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2020-10-22 02:24:37,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-22 02:24:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1914 transitions. [2020-10-22 02:24:37,466 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1914 transitions. Word has length 15 [2020-10-22 02:24:37,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:37,467 INFO L481 AbstractCegarLoop]: Abstraction has 598 states and 1914 transitions. [2020-10-22 02:24:37,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:24:37,467 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1914 transitions. [2020-10-22 02:24:37,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 02:24:37,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:37,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:37,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:24:37,469 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:37,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:37,470 INFO L82 PathProgramCache]: Analyzing trace with hash -991972764, now seen corresponding path program 1 times [2020-10-22 02:24:37,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:37,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832658734] [2020-10-22 02:24:37,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:37,527 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 02:24:37,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832658734] [2020-10-22 02:24:37,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:37,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:24:37,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [526690380] [2020-10-22 02:24:37,528 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:37,530 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:37,541 INFO L252 McrAutomatonBuilder]: Finished intersection with 72 states and 162 transitions. [2020-10-22 02:24:37,542 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:38,282 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:38,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:24:38,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:38,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:24:38,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:24:38,283 INFO L87 Difference]: Start difference. First operand 598 states and 1914 transitions. Second operand 5 states. [2020-10-22 02:24:38,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:38,348 INFO L93 Difference]: Finished difference Result 712 states and 2245 transitions. [2020-10-22 02:24:38,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:24:38,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-22 02:24:38,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:38,354 INFO L225 Difference]: With dead ends: 712 [2020-10-22 02:24:38,354 INFO L226 Difference]: Without dead ends: 292 [2020-10-22 02:24:38,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:24:38,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-10-22 02:24:38,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2020-10-22 02:24:38,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-10-22 02:24:38,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 846 transitions. [2020-10-22 02:24:38,366 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 846 transitions. Word has length 16 [2020-10-22 02:24:38,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:38,367 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 846 transitions. [2020-10-22 02:24:38,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:24:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 846 transitions. [2020-10-22 02:24:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 02:24:38,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:38,368 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:38,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 02:24:38,368 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:38,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:38,369 INFO L82 PathProgramCache]: Analyzing trace with hash -687525174, now seen corresponding path program 1 times [2020-10-22 02:24:38,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:38,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596463241] [2020-10-22 02:24:38,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:38,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:24:38,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596463241] [2020-10-22 02:24:38,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:38,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:24:38,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [554093770] [2020-10-22 02:24:38,442 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:38,444 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:38,451 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 82 transitions. [2020-10-22 02:24:38,451 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:38,798 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:38,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:24:38,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:38,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:24:38,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:24:38,799 INFO L87 Difference]: Start difference. First operand 292 states and 846 transitions. Second operand 5 states. [2020-10-22 02:24:38,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:38,849 INFO L93 Difference]: Finished difference Result 352 states and 1006 transitions. [2020-10-22 02:24:38,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:24:38,856 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-22 02:24:38,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:38,858 INFO L225 Difference]: With dead ends: 352 [2020-10-22 02:24:38,858 INFO L226 Difference]: Without dead ends: 154 [2020-10-22 02:24:38,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:24:38,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-22 02:24:38,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-10-22 02:24:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-22 02:24:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 410 transitions. [2020-10-22 02:24:38,865 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 410 transitions. Word has length 17 [2020-10-22 02:24:38,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:38,865 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 410 transitions. [2020-10-22 02:24:38,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:24:38,865 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 410 transitions. [2020-10-22 02:24:38,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 02:24:38,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:38,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:38,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 02:24:38,866 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:38,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:38,867 INFO L82 PathProgramCache]: Analyzing trace with hash -2117772472, now seen corresponding path program 1 times [2020-10-22 02:24:38,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:38,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504808746] [2020-10-22 02:24:38,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:38,911 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 02:24:38,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504808746] [2020-10-22 02:24:38,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:38,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:24:38,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [30820646] [2020-10-22 02:24:38,913 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:38,915 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:38,920 INFO L252 McrAutomatonBuilder]: Finished intersection with 30 states and 40 transitions. [2020-10-22 02:24:38,920 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:39,048 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:39,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:24:39,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:39,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:24:39,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:24:39,050 INFO L87 Difference]: Start difference. First operand 154 states and 410 transitions. Second operand 5 states. [2020-10-22 02:24:39,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:39,092 INFO L93 Difference]: Finished difference Result 130 states and 334 transitions. [2020-10-22 02:24:39,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:24:39,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-22 02:24:39,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:39,093 INFO L225 Difference]: With dead ends: 130 [2020-10-22 02:24:39,093 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 02:24:39,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:24:39,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 02:24:39,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 02:24:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 02:24:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 02:24:39,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-22 02:24:39,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:39,094 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 02:24:39,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:24:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 02:24:39,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 02:24:39,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 02:24:39,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:24:39 BasicIcfg [2020-10-22 02:24:39,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:24:39,101 INFO L168 Benchmark]: Toolchain (without parser) took 7494.33 ms. Allocated memory was 143.1 MB in the beginning and 306.7 MB in the end (delta: 163.6 MB). Free memory was 104.7 MB in the beginning and 169.1 MB in the end (delta: -64.4 MB). Peak memory consumption was 99.2 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:39,102 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 143.1 MB. Free memory was 124.7 MB in the beginning and 124.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 02:24:39,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.78 ms. Allocated memory was 143.1 MB in the beginning and 205.0 MB in the end (delta: 61.9 MB). Free memory was 103.9 MB in the beginning and 158.6 MB in the end (delta: -54.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:39,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.43 ms. Allocated memory is still 205.0 MB. Free memory was 158.6 MB in the beginning and 156.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:39,105 INFO L168 Benchmark]: Boogie Preprocessor took 28.49 ms. Allocated memory is still 205.0 MB. Free memory was 156.6 MB in the beginning and 154.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:39,105 INFO L168 Benchmark]: RCFGBuilder took 476.52 ms. Allocated memory is still 205.0 MB. Free memory was 154.7 MB in the beginning and 128.2 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:39,106 INFO L168 Benchmark]: TraceAbstraction took 6142.88 ms. Allocated memory was 205.0 MB in the beginning and 306.7 MB in the end (delta: 101.7 MB). Free memory was 127.6 MB in the beginning and 169.1 MB in the end (delta: -41.5 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:39,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 143.1 MB. Free memory was 124.7 MB in the beginning and 124.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 782.78 ms. Allocated memory was 143.1 MB in the beginning and 205.0 MB in the end (delta: 61.9 MB). Free memory was 103.9 MB in the beginning and 158.6 MB in the end (delta: -54.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.43 ms. Allocated memory is still 205.0 MB. Free memory was 158.6 MB in the beginning and 156.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.49 ms. Allocated memory is still 205.0 MB. Free memory was 156.6 MB in the beginning and 154.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 476.52 ms. Allocated memory is still 205.0 MB. Free memory was 154.7 MB in the beginning and 128.2 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6142.88 ms. Allocated memory was 205.0 MB in the beginning and 306.7 MB in the end (delta: 101.7 MB). Free memory was 127.6 MB in the beginning and 169.1 MB in the end (delta: -41.5 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1227 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.0s, 105 PlacesBefore, 41 PlacesAfterwards, 95 TransitionsBefore, 29 TransitionsAfterwards, 2256 CoEnabledTransitionPairs, 5 FixpointIterations, 21 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 4418 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.0s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 263 SDtfs, 252 SDslu, 355 SDs, 0 SdLazy, 63 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1450occurred 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: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 5229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...