/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 06:24:51,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 06:24:51,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 06:24:51,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 06:24:51,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 06:24:51,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 06:24:51,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 06:24:51,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 06:24:51,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 06:24:51,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 06:24:51,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 06:24:51,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 06:24:51,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 06:24:51,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 06:24:51,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 06:24:51,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 06:24:51,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 06:24:51,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 06:24:51,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 06:24:51,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 06:24:51,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 06:24:51,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 06:24:51,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 06:24:51,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 06:24:51,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 06:24:51,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 06:24:51,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 06:24:51,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 06:24:51,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 06:24:51,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 06:24:51,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 06:24:51,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 06:24:51,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 06:24:51,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 06:24:51,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 06:24:51,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 06:24:51,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 06:24:51,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 06:24:51,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 06:24:51,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 06:24:51,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 06:24:51,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2020-11-12 06:24:51,702 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 06:24:51,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 06:24:51,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 06:24:51,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 06:24:51,707 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 06:24:51,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 06:24:51,707 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 06:24:51,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 06:24:51,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 06:24:51,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 06:24:51,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 06:24:51,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 06:24:51,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 06:24:51,710 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 06:24:51,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 06:24:51,710 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 06:24:51,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 06:24:51,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 06:24:51,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 06:24:51,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 06:24:51,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 06:24:51,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 06:24:51,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 06:24:51,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 06:24:51,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 06:24:51,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 06:24:51,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 06:24:51,713 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 06:24:51,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 06:24:51,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 06:24:51,714 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 06:24:52,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 06:24:52,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 06:24:52,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 06:24:52,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 06:24:52,109 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 06:24:52,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2020-11-12 06:24:52,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d360c7cc0/bc6a67ce881146879a7acc30d795ce46/FLAGb05587ed3 [2020-11-12 06:24:52,866 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 06:24:52,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2020-11-12 06:24:52,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d360c7cc0/bc6a67ce881146879a7acc30d795ce46/FLAGb05587ed3 [2020-11-12 06:24:53,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d360c7cc0/bc6a67ce881146879a7acc30d795ce46 [2020-11-12 06:24:53,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 06:24:53,165 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 06:24:53,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 06:24:53,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 06:24:53,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 06:24:53,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:24:53" (1/1) ... [2020-11-12 06:24:53,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373bda13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53, skipping insertion in model container [2020-11-12 06:24:53,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:24:53" (1/1) ... [2020-11-12 06:24:53,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 06:24:53,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 06:24:53,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:24:53,670 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 06:24:53,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:24:53,863 INFO L208 MainTranslator]: Completed translation [2020-11-12 06:24:53,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53 WrapperNode [2020-11-12 06:24:53,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 06:24:53,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 06:24:53,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 06:24:53,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 06:24:53,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53" (1/1) ... [2020-11-12 06:24:53,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53" (1/1) ... [2020-11-12 06:24:53,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 06:24:53,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 06:24:53,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 06:24:53,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 06:24:53,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53" (1/1) ... [2020-11-12 06:24:53,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53" (1/1) ... [2020-11-12 06:24:53,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53" (1/1) ... [2020-11-12 06:24:53,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53" (1/1) ... [2020-11-12 06:24:53,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53" (1/1) ... [2020-11-12 06:24:53,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53" (1/1) ... [2020-11-12 06:24:54,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53" (1/1) ... [2020-11-12 06:24:54,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 06:24:54,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 06:24:54,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 06:24:54,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 06:24:54,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53" (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 [2020-11-12 06:24:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 06:24:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 06:24:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 06:24:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 06:24:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 06:24:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 06:24:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 06:24:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 06:24:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 06:24:54,102 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 06:24:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 06:24:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 06:24:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 06:24:54,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 06:24:54,104 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 06:24:54,563 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 06:24:54,563 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 06:24:54,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:24:54 BoogieIcfgContainer [2020-11-12 06:24:54,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 06:24:54,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 06:24:54,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 06:24:54,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 06:24:54,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:24:53" (1/3) ... [2020-11-12 06:24:54,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bf10fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:24:54, skipping insertion in model container [2020-11-12 06:24:54,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:53" (2/3) ... [2020-11-12 06:24:54,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bf10fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:24:54, skipping insertion in model container [2020-11-12 06:24:54,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:24:54" (3/3) ... [2020-11-12 06:24:54,575 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_tso.opt.i [2020-11-12 06:24:54,591 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 06:24:54,591 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 06:24:54,595 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 06:24:54,596 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 06:24:54,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,636 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,636 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,637 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,637 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,639 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,640 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,640 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,641 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,643 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,643 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,644 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,644 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,648 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,649 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,655 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,655 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,659 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,659 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:54,663 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 06:24:54,676 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 06:24:54,700 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 06:24:54,700 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 06:24:54,700 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 06:24:54,700 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 06:24:54,701 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 06:24:54,701 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 06:24:54,701 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 06:24:54,701 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 06:24:54,714 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 78 transitions, 171 flow [2020-11-12 06:24:55,514 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9847 states, 9845 states have (on average 3.614931437277806) internal successors, (35589), 9846 states have internal predecessors, (35589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:56,097 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 579ms [2020-11-12 06:24:56,130 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 9847 states, 9845 states have (on average 3.614931437277806) internal successors, (35589), 9846 states have internal predecessors, (35589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:56,209 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 9847 states, 9154 states have (on average 1.4021192921127377) internal successors, (12835), 9846 states have internal predecessors, (12835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:56,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 9847 states, 9154 states have (on average 1.4021192921127377) internal successors, (12835), 9846 states have internal predecessors, (12835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:56,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-12 06:24:56,247 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:56,248 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:24:56,249 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:56,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:56,255 INFO L82 PathProgramCache]: Analyzing trace with hash 557790116, now seen corresponding path program 1 times [2020-11-12 06:24:56,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:56,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595460403] [2020-11-12 06:24:56,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:56,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:24:56,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595460403] [2020-11-12 06:24:56,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:56,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:24:56,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706120869] [2020-11-12 06:24:56,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:24:56,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:56,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:24:56,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:24:56,794 INFO L87 Difference]: Start difference. First operand has 9847 states, 9154 states have (on average 1.4021192921127377) internal successors, (12835), 9846 states have internal predecessors, (12835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:57,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:57,058 INFO L93 Difference]: Finished difference Result 13207 states and 16147 transitions. [2020-11-12 06:24:57,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:24:57,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2020-11-12 06:24:57,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:57,104 INFO L225 Difference]: With dead ends: 13207 [2020-11-12 06:24:57,104 INFO L226 Difference]: Without dead ends: 4758 [2020-11-12 06:24:57,106 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:24:57,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4758 states. [2020-11-12 06:24:57,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4758 to 4758. [2020-11-12 06:24:57,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4758 states, 4457 states have (on average 1.4693740183980255) internal successors, (6549), 4757 states have internal predecessors, (6549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4758 states and 6549 transitions. [2020-11-12 06:24:57,452 INFO L78 Accepts]: Start accepts. Automaton has 4758 states and 6549 transitions. Word has length 41 [2020-11-12 06:24:57,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:57,453 INFO L481 AbstractCegarLoop]: Abstraction has 4758 states and 6549 transitions. [2020-11-12 06:24:57,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 4758 states and 6549 transitions. [2020-11-12 06:24:57,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-12 06:24:57,470 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:57,471 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:24:57,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 06:24:57,478 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:57,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:57,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1944662245, now seen corresponding path program 1 times [2020-11-12 06:24:57,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:57,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545634080] [2020-11-12 06:24:57,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:24:57,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545634080] [2020-11-12 06:24:57,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:57,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:24:57,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402989647] [2020-11-12 06:24:57,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:24:57,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:57,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:24:57,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:24:57,663 INFO L87 Difference]: Start difference. First operand 4758 states and 6549 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:57,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:57,837 INFO L93 Difference]: Finished difference Result 5498 states and 8038 transitions. [2020-11-12 06:24:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:24:57,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2020-11-12 06:24:57,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:57,861 INFO L225 Difference]: With dead ends: 5498 [2020-11-12 06:24:57,862 INFO L226 Difference]: Without dead ends: 4338 [2020-11-12 06:24:57,863 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:24:57,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4338 states. [2020-11-12 06:24:57,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4338 to 4338. [2020-11-12 06:24:57,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4338 states, 4067 states have (on average 1.4745512662896485) internal successors, (5997), 4337 states have internal predecessors, (5997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 4338 states and 5997 transitions. [2020-11-12 06:24:58,083 INFO L78 Accepts]: Start accepts. Automaton has 4338 states and 5997 transitions. Word has length 43 [2020-11-12 06:24:58,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:58,087 INFO L481 AbstractCegarLoop]: Abstraction has 4338 states and 5997 transitions. [2020-11-12 06:24:58,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:58,088 INFO L276 IsEmpty]: Start isEmpty. Operand 4338 states and 5997 transitions. [2020-11-12 06:24:58,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-12 06:24:58,096 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:58,096 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:24:58,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 06:24:58,096 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:58,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:58,097 INFO L82 PathProgramCache]: Analyzing trace with hash 56204369, now seen corresponding path program 1 times [2020-11-12 06:24:58,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:58,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211403208] [2020-11-12 06:24:58,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:24:58,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211403208] [2020-11-12 06:24:58,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:58,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:24:58,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735367333] [2020-11-12 06:24:58,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:24:58,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:58,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:24:58,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:24:58,252 INFO L87 Difference]: Start difference. First operand 4338 states and 5997 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:58,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:58,431 INFO L93 Difference]: Finished difference Result 7334 states and 10853 transitions. [2020-11-12 06:24:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:24:58,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2020-11-12 06:24:58,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:58,456 INFO L225 Difference]: With dead ends: 7334 [2020-11-12 06:24:58,456 INFO L226 Difference]: Without dead ends: 4579 [2020-11-12 06:24:58,456 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:24:58,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4579 states. [2020-11-12 06:24:58,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4579 to 3459. [2020-11-12 06:24:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3459 states, 3244 states have (on average 1.4824290998766954) internal successors, (4809), 3458 states have internal predecessors, (4809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 3459 states and 4809 transitions. [2020-11-12 06:24:58,574 INFO L78 Accepts]: Start accepts. Automaton has 3459 states and 4809 transitions. Word has length 44 [2020-11-12 06:24:58,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:58,575 INFO L481 AbstractCegarLoop]: Abstraction has 3459 states and 4809 transitions. [2020-11-12 06:24:58,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3459 states and 4809 transitions. [2020-11-12 06:24:58,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 06:24:58,580 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:58,580 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:24:58,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 06:24:58,581 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:58,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:58,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1349891994, now seen corresponding path program 1 times [2020-11-12 06:24:58,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:58,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666577360] [2020-11-12 06:24:58,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:24:58,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666577360] [2020-11-12 06:24:58,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:58,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:24:58,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601054123] [2020-11-12 06:24:58,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:24:58,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:58,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:24:58,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:24:58,794 INFO L87 Difference]: Start difference. First operand 3459 states and 4809 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:58,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:58,960 INFO L93 Difference]: Finished difference Result 4059 states and 5423 transitions. [2020-11-12 06:24:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:24:58,961 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2020-11-12 06:24:58,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:58,976 INFO L225 Difference]: With dead ends: 4059 [2020-11-12 06:24:58,977 INFO L226 Difference]: Without dead ends: 3159 [2020-11-12 06:24:58,977 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:24:58,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3159 states. [2020-11-12 06:24:59,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3159 to 3159. [2020-11-12 06:24:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3159 states, 2964 states have (on average 1.477395411605938) internal successors, (4379), 3158 states have internal predecessors, (4379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 3159 states and 4379 transitions. [2020-11-12 06:24:59,070 INFO L78 Accepts]: Start accepts. Automaton has 3159 states and 4379 transitions. Word has length 45 [2020-11-12 06:24:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:59,071 INFO L481 AbstractCegarLoop]: Abstraction has 3159 states and 4379 transitions. [2020-11-12 06:24:59,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 4379 transitions. [2020-11-12 06:24:59,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 06:24:59,077 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:59,077 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:24:59,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 06:24:59,078 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:59,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:59,079 INFO L82 PathProgramCache]: Analyzing trace with hash 3736991, now seen corresponding path program 1 times [2020-11-12 06:24:59,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:59,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596392378] [2020-11-12 06:24:59,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:24:59,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596392378] [2020-11-12 06:24:59,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:59,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:24:59,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852336087] [2020-11-12 06:24:59,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:24:59,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:59,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:24:59,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:24:59,207 INFO L87 Difference]: Start difference. First operand 3159 states and 4379 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:59,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:59,361 INFO L93 Difference]: Finished difference Result 2925 states and 3861 transitions. [2020-11-12 06:24:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:24:59,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2020-11-12 06:24:59,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:59,372 INFO L225 Difference]: With dead ends: 2925 [2020-11-12 06:24:59,372 INFO L226 Difference]: Without dead ends: 1955 [2020-11-12 06:24:59,373 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-12 06:24:59,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2020-11-12 06:24:59,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1955. [2020-11-12 06:24:59,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1955 states, 1838 states have (on average 1.4619151251360174) internal successors, (2687), 1954 states have internal predecessors, (2687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2687 transitions. [2020-11-12 06:24:59,430 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2687 transitions. Word has length 47 [2020-11-12 06:24:59,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:59,430 INFO L481 AbstractCegarLoop]: Abstraction has 1955 states and 2687 transitions. [2020-11-12 06:24:59,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:59,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2687 transitions. [2020-11-12 06:24:59,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 06:24:59,434 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:59,435 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:24:59,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 06:24:59,435 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:59,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:59,436 INFO L82 PathProgramCache]: Analyzing trace with hash 338532414, now seen corresponding path program 1 times [2020-11-12 06:24:59,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:59,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782609570] [2020-11-12 06:24:59,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:59,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:24:59,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782609570] [2020-11-12 06:24:59,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:59,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 06:24:59,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979628759] [2020-11-12 06:24:59,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 06:24:59,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:59,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 06:24:59,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 06:24:59,597 INFO L87 Difference]: Start difference. First operand 1955 states and 2687 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:59,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:59,800 INFO L93 Difference]: Finished difference Result 1253 states and 1628 transitions. [2020-11-12 06:24:59,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-12 06:24:59,801 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2020-11-12 06:24:59,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:59,805 INFO L225 Difference]: With dead ends: 1253 [2020-11-12 06:24:59,805 INFO L226 Difference]: Without dead ends: 503 [2020-11-12 06:24:59,806 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-12 06:24:59,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-11-12 06:24:59,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2020-11-12 06:24:59,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 476 states have (on average 1.4453781512605042) internal successors, (688), 502 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 688 transitions. [2020-11-12 06:24:59,819 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 688 transitions. Word has length 49 [2020-11-12 06:24:59,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:59,820 INFO L481 AbstractCegarLoop]: Abstraction has 503 states and 688 transitions. [2020-11-12 06:24:59,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:24:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 688 transitions. [2020-11-12 06:24:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-12 06:24:59,822 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:59,822 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:24:59,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 06:24:59,822 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:59,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:59,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2117510276, now seen corresponding path program 1 times [2020-11-12 06:24:59,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:59,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996720542] [2020-11-12 06:24:59,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:24:59,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996720542] [2020-11-12 06:24:59,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:59,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:24:59,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89287866] [2020-11-12 06:24:59,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:24:59,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:59,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:24:59,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:24:59,961 INFO L87 Difference]: Start difference. First operand 503 states and 688 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:25:00,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:25:00,028 INFO L93 Difference]: Finished difference Result 828 states and 1186 transitions. [2020-11-12 06:25:00,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-12 06:25:00,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2020-11-12 06:25:00,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:25:00,032 INFO L225 Difference]: With dead ends: 828 [2020-11-12 06:25:00,032 INFO L226 Difference]: Without dead ends: 481 [2020-11-12 06:25:00,033 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-12 06:25:00,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-11-12 06:25:00,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2020-11-12 06:25:00,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 454 states have (on average 1.447136563876652) internal successors, (657), 480 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:25:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 657 transitions. [2020-11-12 06:25:00,045 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 657 transitions. Word has length 53 [2020-11-12 06:25:00,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:25:00,045 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 657 transitions. [2020-11-12 06:25:00,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:25:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 657 transitions. [2020-11-12 06:25:00,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-12 06:25:00,047 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:25:00,047 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:25:00,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 06:25:00,047 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:25:00,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:25:00,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1273139614, now seen corresponding path program 2 times [2020-11-12 06:25:00,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:25:00,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888325677] [2020-11-12 06:25:00,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:25:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:25:00,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:25:00,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888325677] [2020-11-12 06:25:00,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:25:00,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:25:00,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23556347] [2020-11-12 06:25:00,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:25:00,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:25:00,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:25:00,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:25:00,196 INFO L87 Difference]: Start difference. First operand 481 states and 657 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:25:00,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:25:00,272 INFO L93 Difference]: Finished difference Result 373 states and 549 transitions. [2020-11-12 06:25:00,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 06:25:00,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2020-11-12 06:25:00,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:25:00,273 INFO L225 Difference]: With dead ends: 373 [2020-11-12 06:25:00,273 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 06:25:00,273 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:25:00,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 06:25:00,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 06:25:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:25:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 06:25:00,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2020-11-12 06:25:00,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:25:00,274 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 06:25:00,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:25:00,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 06:25:00,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 06:25:00,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 06:25:00,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:25:00 BasicIcfg [2020-11-12 06:25:00,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 06:25:00,282 INFO L168 Benchmark]: Toolchain (without parser) took 7121.45 ms. Allocated memory was 308.3 MB in the beginning and 752.9 MB in the end (delta: 444.6 MB). Free memory was 282.0 MB in the beginning and 617.0 MB in the end (delta: -335.0 MB). Peak memory consumption was 112.2 MB. Max. memory is 16.0 GB. [2020-11-12 06:25:00,283 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 308.3 MB. Free memory is still 279.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:25:00,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.24 ms. Allocated memory is still 308.3 MB. Free memory was 281.3 MB in the beginning and 282.0 MB in the end (delta: -692.3 kB). Peak memory consumption was 27.7 MB. Max. memory is 16.0 GB. [2020-11-12 06:25:00,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.41 ms. Allocated memory is still 308.3 MB. Free memory was 282.0 MB in the beginning and 279.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:25:00,285 INFO L168 Benchmark]: Boogie Preprocessor took 55.97 ms. Allocated memory is still 308.3 MB. Free memory was 279.9 MB in the beginning and 277.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:25:00,286 INFO L168 Benchmark]: RCFGBuilder took 556.26 ms. Allocated memory is still 308.3 MB. Free memory was 277.8 MB in the beginning and 255.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2020-11-12 06:25:00,287 INFO L168 Benchmark]: TraceAbstraction took 5712.31 ms. Allocated memory was 308.3 MB in the beginning and 752.9 MB in the end (delta: 444.6 MB). Free memory was 255.8 MB in the beginning and 617.0 MB in the end (delta: -361.2 MB). Peak memory consumption was 84.5 MB. Max. memory is 16.0 GB. [2020-11-12 06:25:00,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 308.3 MB. Free memory is still 279.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 697.24 ms. Allocated memory is still 308.3 MB. Free memory was 281.3 MB in the beginning and 282.0 MB in the end (delta: -692.3 kB). Peak memory consumption was 27.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 86.41 ms. Allocated memory is still 308.3 MB. Free memory was 282.0 MB in the beginning and 279.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 55.97 ms. Allocated memory is still 308.3 MB. Free memory was 279.9 MB in the beginning and 277.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 556.26 ms. Allocated memory is still 308.3 MB. Free memory was 277.8 MB in the beginning and 255.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5712.31 ms. Allocated memory was 308.3 MB in the beginning and 752.9 MB in the end (delta: 444.6 MB). Free memory was 255.8 MB in the beginning and 617.0 MB in the end (delta: -361.2 MB). Peak memory consumption was 84.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 4 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 590 SDtfs, 726 SDslu, 2035 SDs, 0 SdLazy, 210 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9847occurred 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: 0.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 1120 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 42683 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...