/usr/bin/java -Xmx8000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 12:52:40,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 12:52:40,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 12:52:40,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 12:52:40,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 12:52:40,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 12:52:40,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 12:52:40,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 12:52:40,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 12:52:40,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 12:52:40,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 12:52:40,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 12:52:40,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 12:52:40,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 12:52:40,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 12:52:40,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 12:52:40,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 12:52:40,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 12:52:40,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 12:52:40,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 12:52:40,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 12:52:40,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 12:52:40,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 12:52:40,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 12:52:40,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 12:52:40,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 12:52:40,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 12:52:40,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 12:52:40,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 12:52:40,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 12:52:40,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 12:52:40,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 12:52:40,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 12:52:40,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 12:52:40,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 12:52:40,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 12:52:40,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-09 12:52:40,228 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 12:52:40,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 12:52:40,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 12:52:40,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 12:52:40,231 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 12:52:40,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 12:52:40,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 12:52:40,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 12:52:40,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 12:52:40,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 12:52:40,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 12:52:40,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 12:52:40,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 12:52:40,233 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 12:52:40,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 12:52:40,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 12:52:40,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 12:52:40,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 12:52:40,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 12:52:40,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 12:52:40,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 12:52:40,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 12:52:40,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 12:52:40,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-09 12:52:40,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 12:52:40,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 12:52:40,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 12:52:40,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 12:52:40,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-09 12:52:40,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 12:52:40,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 12:52:40,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 12:52:40,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 12:52:40,615 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 12:52:40,616 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 12:52:40,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-11-09 12:52:40,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639451b68/d551ab47ee364afabe6e56a5e98cf55b/FLAGc6bd539fc [2020-11-09 12:52:41,494 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 12:52:41,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-11-09 12:52:41,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639451b68/d551ab47ee364afabe6e56a5e98cf55b/FLAGc6bd539fc [2020-11-09 12:52:41,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639451b68/d551ab47ee364afabe6e56a5e98cf55b [2020-11-09 12:52:41,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 12:52:41,806 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 12:52:41,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 12:52:41,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 12:52:41,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 12:52:41,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:41" (1/1) ... [2020-11-09 12:52:41,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b609cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:41, skipping insertion in model container [2020-11-09 12:52:41,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:41" (1/1) ... [2020-11-09 12:52:41,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 12:52:41,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 12:52:42,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:52:42,300 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 12:52:42,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:52:42,511 INFO L208 MainTranslator]: Completed translation [2020-11-09 12:52:42,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42 WrapperNode [2020-11-09 12:52:42,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 12:52:42,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 12:52:42,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 12:52:42,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 12:52:42,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42" (1/1) ... [2020-11-09 12:52:42,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42" (1/1) ... [2020-11-09 12:52:42,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 12:52:42,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 12:52:42,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 12:52:42,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 12:52:42,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42" (1/1) ... [2020-11-09 12:52:42,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42" (1/1) ... [2020-11-09 12:52:42,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42" (1/1) ... [2020-11-09 12:52:42,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42" (1/1) ... [2020-11-09 12:52:42,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42" (1/1) ... [2020-11-09 12:52:42,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42" (1/1) ... [2020-11-09 12:52:42,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42" (1/1) ... [2020-11-09 12:52:42,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 12:52:42,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 12:52:42,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 12:52:42,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 12:52:42,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 12:52:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 12:52:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 12:52:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 12:52:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 12:52:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 12:52:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 12:52:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 12:52:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 12:52:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 12:52:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 12:52:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 12:52:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 12:52:42,693 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 12:52:43,201 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 12:52:43,201 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 12:52:43,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:43 BoogieIcfgContainer [2020-11-09 12:52:43,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 12:52:43,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 12:52:43,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 12:52:43,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 12:52:43,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:52:41" (1/3) ... [2020-11-09 12:52:43,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44525b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:52:43, skipping insertion in model container [2020-11-09 12:52:43,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:42" (2/3) ... [2020-11-09 12:52:43,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44525b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:52:43, skipping insertion in model container [2020-11-09 12:52:43,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:43" (3/3) ... [2020-11-09 12:52:43,212 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i [2020-11-09 12:52:43,228 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 12:52:43,228 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-09 12:52:43,232 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 12:52:43,233 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 12:52:43,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,266 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,268 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,268 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,268 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,269 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,272 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,272 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,280 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,281 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:52:43,284 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 12:52:43,298 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-09 12:52:43,322 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 12:52:43,322 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 12:52:43,323 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 12:52:43,323 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 12:52:43,323 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 12:52:43,323 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 12:52:43,323 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 12:52:43,323 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 12:52:43,336 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 12:52:43,338 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 63 transitions, 136 flow [2020-11-09 12:52:43,341 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 63 transitions, 136 flow [2020-11-09 12:52:43,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 63 transitions, 136 flow [2020-11-09 12:52:43,385 INFO L129 PetriNetUnfolder]: 3/61 cut-off events. [2020-11-09 12:52:43,386 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 12:52:43,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 61 events. 3/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-11-09 12:52:43,392 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-11-09 12:52:45,213 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 12:52:46,045 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-11-09 12:52:46,288 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2020-11-09 12:52:46,723 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-11-09 12:52:47,029 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-11-09 12:52:47,139 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-11-09 12:52:47,241 INFO L131 LiptonReduction]: Checked pairs total: 1732 [2020-11-09 12:52:47,241 INFO L133 LiptonReduction]: Total number of compositions: 67 [2020-11-09 12:52:47,248 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 16 transitions, 42 flow [2020-11-09 12:52:47,259 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-11-09 12:52:47,262 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-11-09 12:52:47,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 12:52:47,269 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:52:47,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-09 12:52:47,270 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:52:47,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:52:47,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1371543398, now seen corresponding path program 1 times [2020-11-09 12:52:47,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:52:47,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429646788] [2020-11-09 12:52:47,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:52:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:52:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:52:47,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429646788] [2020-11-09 12:52:47,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:52:47,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:52:47,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721213079] [2020-11-09 12:52:47,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:52:47,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:52:47,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:52:47,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:52:47,548 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-11-09 12:52:47,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:52:47,588 INFO L93 Difference]: Finished difference Result 72 states and 154 transitions. [2020-11-09 12:52:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:52:47,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-09 12:52:47,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:52:47,615 INFO L225 Difference]: With dead ends: 72 [2020-11-09 12:52:47,615 INFO L226 Difference]: Without dead ends: 56 [2020-11-09 12:52:47,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:52:47,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-11-09 12:52:47,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-11-09 12:52:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-09 12:52:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 114 transitions. [2020-11-09 12:52:47,662 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 114 transitions. Word has length 6 [2020-11-09 12:52:47,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:52:47,663 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 114 transitions. [2020-11-09 12:52:47,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:52:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2020-11-09 12:52:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-09 12:52:47,664 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:52:47,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:52:47,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 12:52:47,665 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:52:47,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:52:47,666 INFO L82 PathProgramCache]: Analyzing trace with hash 403284336, now seen corresponding path program 1 times [2020-11-09 12:52:47,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:52:47,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855521825] [2020-11-09 12:52:47,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:52:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:52:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:52:47,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855521825] [2020-11-09 12:52:47,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:52:47,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:52:47,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753730191] [2020-11-09 12:52:47,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:52:47,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:52:47,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:52:47,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:52:47,744 INFO L87 Difference]: Start difference. First operand 56 states and 114 transitions. Second operand 3 states. [2020-11-09 12:52:47,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:52:47,758 INFO L93 Difference]: Finished difference Result 55 states and 111 transitions. [2020-11-09 12:52:47,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:52:47,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-09 12:52:47,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:52:47,762 INFO L225 Difference]: With dead ends: 55 [2020-11-09 12:52:47,763 INFO L226 Difference]: Without dead ends: 55 [2020-11-09 12:52:47,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:52:47,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-09 12:52:47,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-09 12:52:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-09 12:52:47,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 111 transitions. [2020-11-09 12:52:47,783 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 111 transitions. Word has length 7 [2020-11-09 12:52:47,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:52:47,783 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 111 transitions. [2020-11-09 12:52:47,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:52:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 111 transitions. [2020-11-09 12:52:47,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 12:52:47,785 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:52:47,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:52:47,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 12:52:47,785 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:52:47,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:52:47,786 INFO L82 PathProgramCache]: Analyzing trace with hash -383094824, now seen corresponding path program 1 times [2020-11-09 12:52:47,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:52:47,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438374518] [2020-11-09 12:52:47,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:52:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:52:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:52:47,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438374518] [2020-11-09 12:52:47,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:52:47,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:52:47,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811496822] [2020-11-09 12:52:47,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:52:47,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:52:47,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:52:47,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:52:47,943 INFO L87 Difference]: Start difference. First operand 55 states and 111 transitions. Second operand 4 states. [2020-11-09 12:52:47,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:52:47,996 INFO L93 Difference]: Finished difference Result 56 states and 99 transitions. [2020-11-09 12:52:47,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 12:52:47,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-09 12:52:47,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:52:47,999 INFO L225 Difference]: With dead ends: 56 [2020-11-09 12:52:48,000 INFO L226 Difference]: Without dead ends: 40 [2020-11-09 12:52:48,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:52:48,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-09 12:52:48,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-09 12:52:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-09 12:52:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 66 transitions. [2020-11-09 12:52:48,012 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 66 transitions. Word has length 8 [2020-11-09 12:52:48,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:52:48,012 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 66 transitions. [2020-11-09 12:52:48,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:52:48,012 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-11-09 12:52:48,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 12:52:48,013 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:52:48,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:52:48,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 12:52:48,016 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:52:48,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:52:48,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1007823895, now seen corresponding path program 1 times [2020-11-09 12:52:48,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:52:48,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091962783] [2020-11-09 12:52:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:52:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:52:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:52:48,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091962783] [2020-11-09 12:52:48,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:52:48,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:52:48,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628200029] [2020-11-09 12:52:48,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:52:48,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:52:48,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:52:48,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:52:48,089 INFO L87 Difference]: Start difference. First operand 40 states and 66 transitions. Second operand 3 states. [2020-11-09 12:52:48,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:52:48,102 INFO L93 Difference]: Finished difference Result 51 states and 79 transitions. [2020-11-09 12:52:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:52:48,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-09 12:52:48,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:52:48,106 INFO L225 Difference]: With dead ends: 51 [2020-11-09 12:52:48,106 INFO L226 Difference]: Without dead ends: 41 [2020-11-09 12:52:48,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:52:48,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-11-09 12:52:48,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-11-09 12:52:48,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-09 12:52:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 60 transitions. [2020-11-09 12:52:48,116 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 60 transitions. Word has length 9 [2020-11-09 12:52:48,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:52:48,118 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 60 transitions. [2020-11-09 12:52:48,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:52:48,119 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-11-09 12:52:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 12:52:48,120 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:52:48,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:52:48,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 12:52:48,121 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:52:48,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:52:48,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1633722403, now seen corresponding path program 1 times [2020-11-09 12:52:48,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:52:48,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156168698] [2020-11-09 12:52:48,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:52:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:52:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:52:48,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156168698] [2020-11-09 12:52:48,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:52:48,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:52:48,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698619722] [2020-11-09 12:52:48,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:52:48,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:52:48,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:52:48,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:52:48,186 INFO L87 Difference]: Start difference. First operand 39 states and 60 transitions. Second operand 3 states. [2020-11-09 12:52:48,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:52:48,206 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2020-11-09 12:52:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:52:48,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-09 12:52:48,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:52:48,209 INFO L225 Difference]: With dead ends: 42 [2020-11-09 12:52:48,209 INFO L226 Difference]: Without dead ends: 31 [2020-11-09 12:52:48,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:52:48,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-09 12:52:48,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-11-09 12:52:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-09 12:52:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-11-09 12:52:48,221 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2020-11-09 12:52:48,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:52:48,223 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-11-09 12:52:48,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:52:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-11-09 12:52:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 12:52:48,224 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:52:48,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:52:48,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 12:52:48,225 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:52:48,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:52:48,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1177733491, now seen corresponding path program 1 times [2020-11-09 12:52:48,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:52:48,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730299465] [2020-11-09 12:52:48,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:52:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:52:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:52:48,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730299465] [2020-11-09 12:52:48,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:52:48,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:52:48,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632157073] [2020-11-09 12:52:48,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:52:48,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:52:48,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:52:48,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:52:48,300 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 5 states. [2020-11-09 12:52:48,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:52:48,321 INFO L93 Difference]: Finished difference Result 25 states and 34 transitions. [2020-11-09 12:52:48,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 12:52:48,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-11-09 12:52:48,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:52:48,322 INFO L225 Difference]: With dead ends: 25 [2020-11-09 12:52:48,322 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 12:52:48,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 12:52:48,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 12:52:48,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 12:52:48,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 12:52:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 12:52:48,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-11-09 12:52:48,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:52:48,323 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 12:52:48,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:52:48,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 12:52:48,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 12:52:48,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 12:52:48,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:52:48 BasicIcfg [2020-11-09 12:52:48,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 12:52:48,330 INFO L168 Benchmark]: Toolchain (without parser) took 6529.58 ms. Allocated memory was 151.0 MB in the beginning and 222.3 MB in the end (delta: 71.3 MB). Free memory was 124.4 MB in the beginning and 160.3 MB in the end (delta: -35.9 MB). Peak memory consumption was 36.5 MB. Max. memory is 8.0 GB. [2020-11-09 12:52:48,330 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 12:52:48,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.74 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 127.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 8.0 GB. [2020-11-09 12:52:48,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.75 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 125.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 12:52:48,333 INFO L168 Benchmark]: Boogie Preprocessor took 31.39 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 124.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 12:52:48,334 INFO L168 Benchmark]: RCFGBuilder took 594.86 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 104.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-09 12:52:48,334 INFO L168 Benchmark]: TraceAbstraction took 5122.24 ms. Allocated memory was 151.0 MB in the beginning and 222.3 MB in the end (delta: 71.3 MB). Free memory was 103.8 MB in the beginning and 160.3 MB in the end (delta: -56.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 8.0 GB. [2020-11-09 12:52:48,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 701.74 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 127.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 62.75 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 125.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.39 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 124.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 594.86 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 104.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5122.24 ms. Allocated memory was 151.0 MB in the beginning and 222.3 MB in the end (delta: 71.3 MB). Free memory was 103.8 MB in the beginning and 160.3 MB in the end (delta: -56.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 536 VarBasedMoverChecksPositive, 32 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 28 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 33 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.8s, 67 PlacesBefore, 22 PlacesAfterwards, 63 TransitionsBefore, 16 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 7 FixpointIterations, 15 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 67 TotalNumberOfCompositions, 1732 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 79 SDtfs, 34 SDslu, 63 SDs, 0 SdLazy, 38 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...