/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-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi001_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:51:09,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:51:09,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:51:09,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:51:09,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:51:09,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:51:09,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:51:09,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:51:09,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:51:09,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:51:09,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:51:09,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:51:09,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:51:09,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:51:09,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:51:09,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:51:09,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:51:09,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:51:09,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:51:09,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:51:09,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:51:09,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:51:09,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:51:09,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:51:09,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 00:51:09,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 00:51:09,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 00:51:09,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 00:51:09,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 00:51:09,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 00:51:09,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:51:09,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:51:09,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:51:09,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:51:09,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:51:09,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:51:09,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:51:09,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:51:09,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:51:09,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:51:09,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:51:09,428 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-WP.epf [2020-10-06 00:51:09,472 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:51:09,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:51:09,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:51:09,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:51:09,475 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:51:09,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:51:09,475 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:51:09,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:51:09,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:51:09,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:51:09,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:51:09,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:51:09,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:51:09,476 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:51:09,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:51:09,477 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:51:09,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:51:09,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:51:09,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:51:09,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:51:09,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:51:09,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:51:09,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:51:09,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:51:09,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:51:09,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:51:09,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:51:09,479 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:51:09,479 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:51:09,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:51:09,480 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:51:09,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:51:09,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:51:09,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:51:09,778 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:51:09,778 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:51:09,780 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi001_rmo.opt.i [2020-10-06 00:51:09,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b01df8c7f/94e9cc41dbe1459a8a4bf2be50906ead/FLAG3f0ea7c85 [2020-10-06 00:51:10,417 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:51:10,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi001_rmo.opt.i [2020-10-06 00:51:10,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b01df8c7f/94e9cc41dbe1459a8a4bf2be50906ead/FLAG3f0ea7c85 [2020-10-06 00:51:10,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b01df8c7f/94e9cc41dbe1459a8a4bf2be50906ead [2020-10-06 00:51:10,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:51:10,712 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:51:10,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:51:10,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:51:10,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:51:10,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:51:10" (1/1) ... [2020-10-06 00:51:10,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f2b0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:10, skipping insertion in model container [2020-10-06 00:51:10,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:51:10" (1/1) ... [2020-10-06 00:51:10,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:51:10,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:51:11,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:51:11,407 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:51:11,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:51:11,571 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:51:11,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11 WrapperNode [2020-10-06 00:51:11,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:51:11,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:51:11,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:51:11,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:51:11,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11" (1/1) ... [2020-10-06 00:51:11,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11" (1/1) ... [2020-10-06 00:51:11,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:51:11,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:51:11,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:51:11,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:51:11,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11" (1/1) ... [2020-10-06 00:51:11,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11" (1/1) ... [2020-10-06 00:51:11,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11" (1/1) ... [2020-10-06 00:51:11,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11" (1/1) ... [2020-10-06 00:51:11,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11" (1/1) ... [2020-10-06 00:51:11,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11" (1/1) ... [2020-10-06 00:51:11,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11" (1/1) ... [2020-10-06 00:51:11,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:51:11,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:51:11,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:51:11,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:51:11,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11" (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 [2020-10-06 00:51:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:51:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:51:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:51:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:51:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:51:11,786 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:51:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:51:11,787 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:51:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:51:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:51:11,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:51:11,792 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:51:13,626 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:51:13,626 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:51:13,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:51:13 BoogieIcfgContainer [2020-10-06 00:51:13,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:51:13,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:51:13,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:51:13,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:51:13,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:51:10" (1/3) ... [2020-10-06 00:51:13,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4551fc58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:51:13, skipping insertion in model container [2020-10-06 00:51:13,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:11" (2/3) ... [2020-10-06 00:51:13,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4551fc58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:51:13, skipping insertion in model container [2020-10-06 00:51:13,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:51:13" (3/3) ... [2020-10-06 00:51:13,637 INFO L109 eAbstractionObserver]: Analyzing ICFG rfi001_rmo.opt.i [2020-10-06 00:51:13,648 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:51:13,648 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:51:13,656 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:51:13,657 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:51:13,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,685 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,687 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,689 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,689 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,691 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,691 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,699 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,699 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,701 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,702 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,702 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,703 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,703 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,703 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,703 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,703 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:13,719 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 00:51:13,740 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:51:13,740 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:51:13,741 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:51:13,741 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:51:13,741 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:51:13,741 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:51:13,741 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:51:13,741 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:51:13,756 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 79 transitions, 168 flow [2020-10-06 00:51:13,758 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-06 00:51:13,799 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 00:51:13,799 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:51:13,804 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2020-10-06 00:51:13,807 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-06 00:51:13,829 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 00:51:13,830 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:51:13,830 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2020-10-06 00:51:13,832 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1012 [2020-10-06 00:51:13,833 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:51:15,202 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2020-10-06 00:51:15,256 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 2, 2, 1] term [2020-10-06 00:51:15,256 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:51:15,263 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-06 00:51:15,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:51:16,283 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2020-10-06 00:51:17,410 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2020-10-06 00:51:17,517 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-06 00:51:18,250 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2020-10-06 00:51:18,529 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-06 00:51:19,173 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 118 [2020-10-06 00:51:19,492 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-06 00:51:19,978 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-06 00:51:20,333 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-06 00:51:20,569 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-06 00:51:20,684 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-06 00:51:20,690 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2573 [2020-10-06 00:51:20,690 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2020-10-06 00:51:20,694 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 20 transitions, 50 flow [2020-10-06 00:51:20,712 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 187 states. [2020-10-06 00:51:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-10-06 00:51:20,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 00:51:20,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:20,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 00:51:20,721 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:20,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:20,727 INFO L82 PathProgramCache]: Analyzing trace with hash 876717738, now seen corresponding path program 1 times [2020-10-06 00:51:20,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:20,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425574752] [2020-10-06 00:51:20,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:20,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425574752] [2020-10-06 00:51:20,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:20,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:51:20,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [3057601] [2020-10-06 00:51:20,978 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:20,981 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:20,990 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 00:51:20,990 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:20,994 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:51:20,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:51:20,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:21,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:51:21,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:21,010 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 3 states. [2020-10-06 00:51:21,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:21,086 INFO L93 Difference]: Finished difference Result 162 states and 385 transitions. [2020-10-06 00:51:21,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:51:21,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 00:51:21,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:21,100 INFO L225 Difference]: With dead ends: 162 [2020-10-06 00:51:21,100 INFO L226 Difference]: Without dead ends: 132 [2020-10-06 00:51:21,101 INFO L675 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 [2020-10-06 00:51:21,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-06 00:51:21,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-10-06 00:51:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-06 00:51:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 306 transitions. [2020-10-06 00:51:21,154 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 306 transitions. Word has length 5 [2020-10-06 00:51:21,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:21,154 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 306 transitions. [2020-10-06 00:51:21,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:51:21,155 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 306 transitions. [2020-10-06 00:51:21,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-06 00:51:21,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:21,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:21,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:51:21,156 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:21,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:21,157 INFO L82 PathProgramCache]: Analyzing trace with hash 712187279, now seen corresponding path program 1 times [2020-10-06 00:51:21,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:21,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433091343] [2020-10-06 00:51:21,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:21,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433091343] [2020-10-06 00:51:21,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:21,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:51:21,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2044474967] [2020-10-06 00:51:21,267 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:21,268 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:21,272 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-06 00:51:21,272 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:21,273 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:51:21,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:51:21,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:21,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:51:21,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:21,277 INFO L87 Difference]: Start difference. First operand 132 states and 306 transitions. Second operand 3 states. [2020-10-06 00:51:21,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:21,295 INFO L93 Difference]: Finished difference Result 122 states and 278 transitions. [2020-10-06 00:51:21,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:51:21,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-06 00:51:21,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:21,299 INFO L225 Difference]: With dead ends: 122 [2020-10-06 00:51:21,299 INFO L226 Difference]: Without dead ends: 122 [2020-10-06 00:51:21,300 INFO L675 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 [2020-10-06 00:51:21,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-06 00:51:21,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-10-06 00:51:21,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-06 00:51:21,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 278 transitions. [2020-10-06 00:51:21,313 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 278 transitions. Word has length 7 [2020-10-06 00:51:21,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:21,313 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 278 transitions. [2020-10-06 00:51:21,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:51:21,313 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 278 transitions. [2020-10-06 00:51:21,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:51:21,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:21,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:21,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:51:21,315 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:21,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:21,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1509459439, now seen corresponding path program 1 times [2020-10-06 00:51:21,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:21,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011786939] [2020-10-06 00:51:21,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:21,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:21,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011786939] [2020-10-06 00:51:21,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:21,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:51:21,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1688604290] [2020-10-06 00:51:21,520 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:21,522 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:21,524 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 15 transitions. [2020-10-06 00:51:21,524 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:21,547 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 4, 3, 2, 3, 2, 1] term [2020-10-06 00:51:21,547 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:21,549 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 4, 3, 2, 1] term [2020-10-06 00:51:21,549 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:21,551 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:21,562 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 00:51:21,572 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:21,579 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:21,606 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:21,610 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-06 00:51:21,618 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:21,656 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:51:21,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:51:21,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:21,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:51:21,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:51:21,658 INFO L87 Difference]: Start difference. First operand 122 states and 278 transitions. Second operand 5 states. [2020-10-06 00:51:21,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:21,752 INFO L93 Difference]: Finished difference Result 118 states and 266 transitions. [2020-10-06 00:51:21,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 00:51:21,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-06 00:51:21,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:21,757 INFO L225 Difference]: With dead ends: 118 [2020-10-06 00:51:21,757 INFO L226 Difference]: Without dead ends: 118 [2020-10-06 00:51:21,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:51:21,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-06 00:51:21,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-10-06 00:51:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-06 00:51:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 266 transitions. [2020-10-06 00:51:21,769 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 266 transitions. Word has length 9 [2020-10-06 00:51:21,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:21,769 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 266 transitions. [2020-10-06 00:51:21,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:51:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 266 transitions. [2020-10-06 00:51:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 00:51:21,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:21,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:21,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:51:21,771 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:21,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:21,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1108467314, now seen corresponding path program 1 times [2020-10-06 00:51:21,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:21,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973989827] [2020-10-06 00:51:21,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:21,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973989827] [2020-10-06 00:51:21,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:21,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:51:21,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [923735494] [2020-10-06 00:51:21,916 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:21,918 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:21,922 INFO L258 McrAutomatonBuilder]: Finished intersection with 17 states and 21 transitions. [2020-10-06 00:51:21,923 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:21,946 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:21,964 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:21,977 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1624#(= (mod ~main$tmp_guard0~0 256) 0)] [2020-10-06 00:51:21,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:51:21,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:21,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:51:21,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:51:21,978 INFO L87 Difference]: Start difference. First operand 118 states and 266 transitions. Second operand 5 states. [2020-10-06 00:51:22,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:22,002 INFO L93 Difference]: Finished difference Result 82 states and 157 transitions. [2020-10-06 00:51:22,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:51:22,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-06 00:51:22,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:22,004 INFO L225 Difference]: With dead ends: 82 [2020-10-06 00:51:22,004 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 00:51:22,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:51:22,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 00:51:22,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 00:51:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 00:51:22,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 00:51:22,005 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-10-06 00:51:22,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:22,006 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 00:51:22,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:51:22,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 00:51:22,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 00:51:22,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:51:22,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:51:22 BasicIcfg [2020-10-06 00:51:22,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:51:22,017 INFO L168 Benchmark]: Toolchain (without parser) took 11304.70 ms. Allocated memory was 141.0 MB in the beginning and 306.7 MB in the end (delta: 165.7 MB). Free memory was 101.4 MB in the beginning and 101.9 MB in the end (delta: -509.8 kB). Peak memory consumption was 165.2 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:22,019 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-06 00:51:22,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.18 ms. Allocated memory was 141.0 MB in the beginning and 207.1 MB in the end (delta: 66.1 MB). Free memory was 101.2 MB in the beginning and 162.6 MB in the end (delta: -61.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:22,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.06 ms. Allocated memory is still 207.1 MB. Free memory was 162.6 MB in the beginning and 159.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:22,026 INFO L168 Benchmark]: Boogie Preprocessor took 61.93 ms. Allocated memory is still 207.1 MB. Free memory was 159.3 MB in the beginning and 157.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:22,028 INFO L168 Benchmark]: RCFGBuilder took 1925.91 ms. Allocated memory was 207.1 MB in the beginning and 245.4 MB in the end (delta: 38.3 MB). Free memory was 156.7 MB in the beginning and 189.9 MB in the end (delta: -33.3 MB). Peak memory consumption was 97.7 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:22,030 INFO L168 Benchmark]: TraceAbstraction took 8384.96 ms. Allocated memory was 245.4 MB in the beginning and 306.7 MB in the end (delta: 61.3 MB). Free memory was 189.9 MB in the beginning and 101.9 MB in the end (delta: 88.0 MB). Peak memory consumption was 149.4 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:22,040 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 859.18 ms. Allocated memory was 141.0 MB in the beginning and 207.1 MB in the end (delta: 66.1 MB). Free memory was 101.2 MB in the beginning and 162.6 MB in the end (delta: -61.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.06 ms. Allocated memory is still 207.1 MB. Free memory was 162.6 MB in the beginning and 159.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.93 ms. Allocated memory is still 207.1 MB. Free memory was 159.3 MB in the beginning and 157.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1925.91 ms. Allocated memory was 207.1 MB in the beginning and 245.4 MB in the end (delta: 38.3 MB). Free memory was 156.7 MB in the beginning and 189.9 MB in the end (delta: -33.3 MB). Peak memory consumption was 97.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8384.96 ms. Allocated memory was 245.4 MB in the beginning and 306.7 MB in the end (delta: 61.3 MB). Free memory was 189.9 MB in the beginning and 101.9 MB in the end (delta: 88.0 MB). Peak memory consumption was 149.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 6.9s, 84 ProgramPointsBefore, 27 ProgramPointsAfterwards, 79 TransitionsBefore, 20 TransitionsAfterwards, 1012 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 532 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2573 CheckedPairsTotal, 69 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.9s, HoareTripleCheckerStatistics: 52 SDtfs, 52 SDslu, 58 SDs, 0 SdLazy, 41 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...