/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:01:50,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:01:50,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:01:50,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:01:50,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:01:50,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:01:50,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:01:50,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:01:50,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:01:50,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:01:50,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:01:50,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:01:50,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:01:50,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:01:50,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:01:50,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:01:50,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:01:50,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:01:50,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:01:50,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:01:50,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:01:50,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:01:50,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:01:50,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:01:50,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 22:01:50,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:01:50,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:01:50,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:01:50,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:01:50,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:01:50,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:01:50,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:01:50,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:01:50,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:01:50,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:01:50,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:01:50,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 22:01:50,301 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:01:50,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:01:50,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:01:50,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:01:50,303 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:01:50,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:01:50,303 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:01:50,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:01:50,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:01:50,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:01:50,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:01:50,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:01:50,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:01:50,305 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:01:50,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:01:50,305 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:01:50,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:01:50,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:01:50,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:01:50,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:01:50,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:01:50,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:01:50,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:01:50,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 22:01:50,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:01:50,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:01:50,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:01:50,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:01:50,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 22:01:50,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 22:01:50,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:01:50,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:01:50,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:01:50,663 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:01:50,665 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:01:50,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i [2020-10-21 22:01:50,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f80467ef2/dc812de4a97c48b78f391d20e19e814c/FLAG2e66164b4 [2020-10-21 22:01:51,310 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:01:51,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i [2020-10-21 22:01:51,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f80467ef2/dc812de4a97c48b78f391d20e19e814c/FLAG2e66164b4 [2020-10-21 22:01:51,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f80467ef2/dc812de4a97c48b78f391d20e19e814c [2020-10-21 22:01:51,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:01:51,658 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:01:51,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:01:51,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:01:51,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:01:51,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:01:51" (1/1) ... [2020-10-21 22:01:51,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcf119e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:51, skipping insertion in model container [2020-10-21 22:01:51,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:01:51" (1/1) ... [2020-10-21 22:01:51,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:01:51,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:01:52,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:01:52,329 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:01:52,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:01:52,464 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:01:52,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52 WrapperNode [2020-10-21 22:01:52,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:01:52,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:01:52,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:01:52,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:01:52,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52" (1/1) ... [2020-10-21 22:01:52,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52" (1/1) ... [2020-10-21 22:01:52,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:01:52,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:01:52,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:01:52,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:01:52,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52" (1/1) ... [2020-10-21 22:01:52,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52" (1/1) ... [2020-10-21 22:01:52,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52" (1/1) ... [2020-10-21 22:01:52,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52" (1/1) ... [2020-10-21 22:01:52,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52" (1/1) ... [2020-10-21 22:01:52,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52" (1/1) ... [2020-10-21 22:01:52,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52" (1/1) ... [2020-10-21 22:01:52,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:01:52,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:01:52,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:01:52,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:01:52,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:01:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:01:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 22:01:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:01:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:01:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 22:01:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 22:01:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 22:01:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 22:01:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 22:01:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 22:01:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 22:01:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 22:01:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:01:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 22:01:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:01:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:01:52,645 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:01:53,076 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:01:53,076 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-21 22:01:53,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:01:53 BoogieIcfgContainer [2020-10-21 22:01:53,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:01:53,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:01:53,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:01:53,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:01:53,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:01:51" (1/3) ... [2020-10-21 22:01:53,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8a0b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:01:53, skipping insertion in model container [2020-10-21 22:01:53,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:52" (2/3) ... [2020-10-21 22:01:53,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8a0b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:01:53, skipping insertion in model container [2020-10-21 22:01:53,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:01:53" (3/3) ... [2020-10-21 22:01:53,089 INFO L111 eAbstractionObserver]: Analyzing ICFG safe016_pso.oepc.i [2020-10-21 22:01:53,102 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:01:53,103 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:01:53,110 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 22:01:53,111 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:01:53,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,146 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,146 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,148 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,148 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,150 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,150 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,151 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,151 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,152 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,152 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,152 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,152 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,157 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,157 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,170 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,173 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,173 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,186 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,193 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,193 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:53,200 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:01:53,216 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-21 22:01:53,235 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:01:53,235 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:01:53,235 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:01:53,235 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:01:53,236 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:01:53,236 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:01:53,236 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:01:53,236 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:01:53,250 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:01:53,252 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 89 transitions, 198 flow [2020-10-21 22:01:53,255 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 89 transitions, 198 flow [2020-10-21 22:01:53,256 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 99 places, 89 transitions, 198 flow [2020-10-21 22:01:53,305 INFO L129 PetriNetUnfolder]: 3/85 cut-off events. [2020-10-21 22:01:53,305 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:01:53,313 INFO L80 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 85 events. 3/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-10-21 22:01:53,317 INFO L116 LiptonReduction]: Number of co-enabled transitions 2042 [2020-10-21 22:01:55,401 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-10-21 22:01:55,692 INFO L131 LiptonReduction]: Checked pairs total: 4334 [2020-10-21 22:01:55,692 INFO L133 LiptonReduction]: Total number of compositions: 82 [2020-10-21 22:01:55,699 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 26 transitions, 72 flow [2020-10-21 22:01:55,748 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-10-21 22:01:55,750 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-10-21 22:01:55,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 22:01:55,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:55,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:55,762 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:55,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:55,768 INFO L82 PathProgramCache]: Analyzing trace with hash -782796091, now seen corresponding path program 1 times [2020-10-21 22:01:55,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:55,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676296144] [2020-10-21 22:01:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:56,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676296144] [2020-10-21 22:01:56,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:56,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:01:56,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413320955] [2020-10-21 22:01:56,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:01:56,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:56,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:01:56,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:01:56,064 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-10-21 22:01:56,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:56,127 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-10-21 22:01:56,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:01:56,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-21 22:01:56,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:56,158 INFO L225 Difference]: With dead ends: 670 [2020-10-21 22:01:56,158 INFO L226 Difference]: Without dead ends: 526 [2020-10-21 22:01:56,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:01:56,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-21 22:01:56,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-10-21 22:01:56,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-21 22:01:56,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-10-21 22:01:56,294 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-10-21 22:01:56,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:56,295 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-10-21 22:01:56,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:01:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-10-21 22:01:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:01:56,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:56,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:56,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:01:56,299 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:56,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:56,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1488897790, now seen corresponding path program 1 times [2020-10-21 22:01:56,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:56,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561588961] [2020-10-21 22:01:56,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:56,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:56,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561588961] [2020-10-21 22:01:56,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:56,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:01:56,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936290961] [2020-10-21 22:01:56,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:01:56,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:56,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:01:56,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:01:56,373 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-10-21 22:01:56,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:56,407 INFO L93 Difference]: Finished difference Result 748 states and 2407 transitions. [2020-10-21 22:01:56,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:01:56,408 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-21 22:01:56,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:56,413 INFO L225 Difference]: With dead ends: 748 [2020-10-21 22:01:56,413 INFO L226 Difference]: Without dead ends: 460 [2020-10-21 22:01:56,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:56,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-21 22:01:56,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2020-10-21 22:01:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-21 22:01:56,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 1467 transitions. [2020-10-21 22:01:56,441 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 1467 transitions. Word has length 11 [2020-10-21 22:01:56,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:56,441 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 1467 transitions. [2020-10-21 22:01:56,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:01:56,441 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 1467 transitions. [2020-10-21 22:01:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 22:01:56,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:56,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:56,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:01:56,445 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:56,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:56,445 INFO L82 PathProgramCache]: Analyzing trace with hash -647802977, now seen corresponding path program 1 times [2020-10-21 22:01:56,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:56,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071562306] [2020-10-21 22:01:56,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:56,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071562306] [2020-10-21 22:01:56,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:56,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:01:56,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12721111] [2020-10-21 22:01:56,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:01:56,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:56,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:01:56,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:01:56,504 INFO L87 Difference]: Start difference. First operand 460 states and 1467 transitions. Second operand 3 states. [2020-10-21 22:01:56,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:56,513 INFO L93 Difference]: Finished difference Result 442 states and 1398 transitions. [2020-10-21 22:01:56,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:01:56,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 22:01:56,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:56,519 INFO L225 Difference]: With dead ends: 442 [2020-10-21 22:01:56,519 INFO L226 Difference]: Without dead ends: 442 [2020-10-21 22:01:56,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:01:56,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-10-21 22:01:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2020-10-21 22:01:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-21 22:01:56,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 1398 transitions. [2020-10-21 22:01:56,564 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 1398 transitions. Word has length 12 [2020-10-21 22:01:56,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:56,564 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 1398 transitions. [2020-10-21 22:01:56,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:01:56,564 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1398 transitions. [2020-10-21 22:01:56,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:01:56,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:56,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:56,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:01:56,568 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:56,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:56,568 INFO L82 PathProgramCache]: Analyzing trace with hash -912860165, now seen corresponding path program 1 times [2020-10-21 22:01:56,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:56,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452201586] [2020-10-21 22:01:56,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:56,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452201586] [2020-10-21 22:01:56,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:56,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:01:56,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621044098] [2020-10-21 22:01:56,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:01:56,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:56,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:01:56,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:01:56,626 INFO L87 Difference]: Start difference. First operand 442 states and 1398 transitions. Second operand 4 states. [2020-10-21 22:01:56,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:56,656 INFO L93 Difference]: Finished difference Result 788 states and 2333 transitions. [2020-10-21 22:01:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:01:56,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-21 22:01:56,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:56,660 INFO L225 Difference]: With dead ends: 788 [2020-10-21 22:01:56,660 INFO L226 Difference]: Without dead ends: 412 [2020-10-21 22:01:56,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-10-21 22:01:56,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 376. [2020-10-21 22:01:56,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-21 22:01:56,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 1087 transitions. [2020-10-21 22:01:56,675 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 1087 transitions. Word has length 13 [2020-10-21 22:01:56,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:56,675 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 1087 transitions. [2020-10-21 22:01:56,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:01:56,676 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1087 transitions. [2020-10-21 22:01:56,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:01:56,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:56,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:56,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:01:56,678 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:56,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:56,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1787336884, now seen corresponding path program 1 times [2020-10-21 22:01:56,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:56,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001606133] [2020-10-21 22:01:56,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:56,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001606133] [2020-10-21 22:01:56,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:56,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:01:56,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314050493] [2020-10-21 22:01:56,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:01:56,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:56,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:01:56,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:01:56,761 INFO L87 Difference]: Start difference. First operand 376 states and 1087 transitions. Second operand 4 states. [2020-10-21 22:01:56,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:56,800 INFO L93 Difference]: Finished difference Result 494 states and 1370 transitions. [2020-10-21 22:01:56,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:01:56,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-21 22:01:56,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:56,804 INFO L225 Difference]: With dead ends: 494 [2020-10-21 22:01:56,804 INFO L226 Difference]: Without dead ends: 254 [2020-10-21 22:01:56,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:56,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-21 22:01:56,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2020-10-21 22:01:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-10-21 22:01:56,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 707 transitions. [2020-10-21 22:01:56,813 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 707 transitions. Word has length 13 [2020-10-21 22:01:56,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:56,814 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 707 transitions. [2020-10-21 22:01:56,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:01:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 707 transitions. [2020-10-21 22:01:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:01:56,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:56,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:56,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:01:56,816 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:56,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:56,816 INFO L82 PathProgramCache]: Analyzing trace with hash 238144508, now seen corresponding path program 1 times [2020-10-21 22:01:56,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:56,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775844156] [2020-10-21 22:01:56,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:56,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775844156] [2020-10-21 22:01:56,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:56,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:01:56,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561249515] [2020-10-21 22:01:56,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:01:56,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:56,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:01:56,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:01:56,956 INFO L87 Difference]: Start difference. First operand 254 states and 707 transitions. Second operand 4 states. [2020-10-21 22:01:57,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:57,029 INFO L93 Difference]: Finished difference Result 315 states and 812 transitions. [2020-10-21 22:01:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:01:57,030 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-21 22:01:57,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:57,033 INFO L225 Difference]: With dead ends: 315 [2020-10-21 22:01:57,033 INFO L226 Difference]: Without dead ends: 230 [2020-10-21 22:01:57,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:57,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-21 22:01:57,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2020-10-21 22:01:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-10-21 22:01:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 601 transitions. [2020-10-21 22:01:57,045 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 601 transitions. Word has length 14 [2020-10-21 22:01:57,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:57,046 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 601 transitions. [2020-10-21 22:01:57,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:01:57,047 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 601 transitions. [2020-10-21 22:01:57,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:01:57,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:57,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:57,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:01:57,050 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:57,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:57,052 INFO L82 PathProgramCache]: Analyzing trace with hash 243922642, now seen corresponding path program 1 times [2020-10-21 22:01:57,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:57,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356974581] [2020-10-21 22:01:57,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:57,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356974581] [2020-10-21 22:01:57,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:57,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:01:57,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273149117] [2020-10-21 22:01:57,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:01:57,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:57,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:01:57,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:57,166 INFO L87 Difference]: Start difference. First operand 230 states and 601 transitions. Second operand 5 states. [2020-10-21 22:01:57,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:57,247 INFO L93 Difference]: Finished difference Result 246 states and 585 transitions. [2020-10-21 22:01:57,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:01:57,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-21 22:01:57,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:57,250 INFO L225 Difference]: With dead ends: 246 [2020-10-21 22:01:57,250 INFO L226 Difference]: Without dead ends: 178 [2020-10-21 22:01:57,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:01:57,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-21 22:01:57,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-10-21 22:01:57,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-21 22:01:57,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 414 transitions. [2020-10-21 22:01:57,258 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 414 transitions. Word has length 15 [2020-10-21 22:01:57,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:57,258 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 414 transitions. [2020-10-21 22:01:57,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:01:57,259 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 414 transitions. [2020-10-21 22:01:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 22:01:57,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:57,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:57,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:01:57,260 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:57,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:57,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1046603743, now seen corresponding path program 1 times [2020-10-21 22:01:57,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:57,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365813302] [2020-10-21 22:01:57,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:57,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365813302] [2020-10-21 22:01:57,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:57,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:01:57,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233487007] [2020-10-21 22:01:57,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:01:57,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:57,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:01:57,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:01:57,362 INFO L87 Difference]: Start difference. First operand 178 states and 414 transitions. Second operand 6 states. [2020-10-21 22:01:57,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:57,425 INFO L93 Difference]: Finished difference Result 171 states and 376 transitions. [2020-10-21 22:01:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:01:57,426 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-21 22:01:57,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:57,427 INFO L225 Difference]: With dead ends: 171 [2020-10-21 22:01:57,427 INFO L226 Difference]: Without dead ends: 137 [2020-10-21 22:01:57,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:01:57,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-21 22:01:57,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-10-21 22:01:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-21 22:01:57,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 301 transitions. [2020-10-21 22:01:57,433 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 301 transitions. Word has length 16 [2020-10-21 22:01:57,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:57,433 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 301 transitions. [2020-10-21 22:01:57,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:01:57,433 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 301 transitions. [2020-10-21 22:01:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 22:01:57,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:57,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:57,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 22:01:57,435 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:57,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:57,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1563997083, now seen corresponding path program 1 times [2020-10-21 22:01:57,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:57,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834978903] [2020-10-21 22:01:57,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:57,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:57,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834978903] [2020-10-21 22:01:57,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:57,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:01:57,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167796967] [2020-10-21 22:01:57,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:01:57,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:57,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:01:57,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:01:57,499 INFO L87 Difference]: Start difference. First operand 137 states and 301 transitions. Second operand 7 states. [2020-10-21 22:01:57,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:57,566 INFO L93 Difference]: Finished difference Result 132 states and 289 transitions. [2020-10-21 22:01:57,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 22:01:57,567 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-21 22:01:57,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:57,567 INFO L225 Difference]: With dead ends: 132 [2020-10-21 22:01:57,568 INFO L226 Difference]: Without dead ends: 51 [2020-10-21 22:01:57,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:01:57,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-21 22:01:57,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-21 22:01:57,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-21 22:01:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 97 transitions. [2020-10-21 22:01:57,571 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 97 transitions. Word has length 18 [2020-10-21 22:01:57,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:57,571 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 97 transitions. [2020-10-21 22:01:57,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:01:57,571 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2020-10-21 22:01:57,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-21 22:01:57,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:57,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:57,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 22:01:57,572 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:57,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:57,573 INFO L82 PathProgramCache]: Analyzing trace with hash -299924038, now seen corresponding path program 1 times [2020-10-21 22:01:57,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:57,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684019378] [2020-10-21 22:01:57,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:57,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:57,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684019378] [2020-10-21 22:01:57,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:57,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:01:57,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776702901] [2020-10-21 22:01:57,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:01:57,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:57,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:01:57,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:01:57,603 INFO L87 Difference]: Start difference. First operand 51 states and 97 transitions. Second operand 3 states. [2020-10-21 22:01:57,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:57,609 INFO L93 Difference]: Finished difference Result 50 states and 96 transitions. [2020-10-21 22:01:57,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:01:57,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-21 22:01:57,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:57,610 INFO L225 Difference]: With dead ends: 50 [2020-10-21 22:01:57,610 INFO L226 Difference]: Without dead ends: 0 [2020-10-21 22:01:57,610 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 [2020-10-21 22:01:57,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-21 22:01:57,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-21 22:01:57,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-21 22:01:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-21 22:01:57,611 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-21 22:01:57,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:57,611 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-21 22:01:57,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:01:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-21 22:01:57,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-21 22:01:57,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 22:01:57,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:01:57 BasicIcfg [2020-10-21 22:01:57,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:01:57,618 INFO L168 Benchmark]: Toolchain (without parser) took 5965.83 ms. Allocated memory was 139.5 MB in the beginning and 286.3 MB in the end (delta: 146.8 MB). Free memory was 101.1 MB in the beginning and 124.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:57,619 INFO L168 Benchmark]: CDTParser took 3.44 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-21 22:01:57,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.86 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 100.2 MB in the beginning and 155.5 MB in the end (delta: -55.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:57,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.45 ms. Allocated memory is still 201.9 MB. Free memory was 155.5 MB in the beginning and 153.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:57,621 INFO L168 Benchmark]: Boogie Preprocessor took 29.87 ms. Allocated memory is still 201.9 MB. Free memory was 153.5 MB in the beginning and 151.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:57,622 INFO L168 Benchmark]: RCFGBuilder took 531.29 ms. Allocated memory is still 201.9 MB. Free memory was 151.5 MB in the beginning and 125.8 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:57,623 INFO L168 Benchmark]: TraceAbstraction took 4535.05 ms. Allocated memory was 201.9 MB in the beginning and 286.3 MB in the end (delta: 84.4 MB). Free memory was 125.2 MB in the beginning and 124.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:57,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.44 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 806.86 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 100.2 MB in the beginning and 155.5 MB in the end (delta: -55.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.45 ms. Allocated memory is still 201.9 MB. Free memory was 155.5 MB in the beginning and 153.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.87 ms. Allocated memory is still 201.9 MB. Free memory was 153.5 MB in the beginning and 151.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 531.29 ms. Allocated memory is still 201.9 MB. Free memory was 151.5 MB in the beginning and 125.8 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4535.05 ms. Allocated memory was 201.9 MB in the beginning and 286.3 MB in the end (delta: 84.4 MB). Free memory was 125.2 MB in the beginning and 124.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1489 VarBasedMoverChecksPositive, 67 VarBasedMoverChecksNegative, 13 SemBasedMoverChecksPositive, 54 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 106 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.4s, 99 PlacesBefore, 38 PlacesAfterwards, 89 TransitionsBefore, 26 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 2 ChoiceCompositions, 82 TotalNumberOfCompositions, 4334 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, 87 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 222 SDtfs, 227 SDslu, 318 SDs, 0 SdLazy, 183 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 5404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...