/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/safe020_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 06:20:25,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 06:20:25,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 06:20:25,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 06:20:25,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 06:20:25,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 06:20:25,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 06:20:25,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 06:20:25,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 06:20:25,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 06:20:25,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 06:20:25,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 06:20:25,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 06:20:25,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 06:20:25,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 06:20:25,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 06:20:25,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 06:20:25,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 06:20:25,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 06:20:25,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 06:20:25,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 06:20:25,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 06:20:25,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 06:20:25,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 06:20:25,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 06:20:25,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 06:20:25,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 06:20:25,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 06:20:25,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 06:20:25,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 06:20:25,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 06:20:25,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 06:20:25,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 06:20:25,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 06:20:25,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 06:20:25,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 06:20:25,165 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 06:20:25,208 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 06:20:25,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 06:20:25,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 06:20:25,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 06:20:25,215 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 06:20:25,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 06:20:25,216 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 06:20:25,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 06:20:25,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 06:20:25,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 06:20:25,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 06:20:25,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 06:20:25,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 06:20:25,219 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 06:20:25,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 06:20:25,219 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 06:20:25,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 06:20:25,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 06:20:25,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 06:20:25,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 06:20:25,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 06:20:25,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 06:20:25,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 06:20:25,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 06:20:25,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 06:20:25,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 06:20:25,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 06:20:25,223 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 06:20:25,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 06:20:25,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 06:20:25,224 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 06:20:25,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 06:20:25,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 06:20:25,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 06:20:25,738 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 06:20:25,739 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 06:20:25,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i [2020-11-12 06:20:25,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e62d552e2/2712a5578fcc4cb2a20476433a2ebd38/FLAG1891db223 [2020-11-12 06:20:26,576 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 06:20:26,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i [2020-11-12 06:20:26,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e62d552e2/2712a5578fcc4cb2a20476433a2ebd38/FLAG1891db223 [2020-11-12 06:20:26,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e62d552e2/2712a5578fcc4cb2a20476433a2ebd38 [2020-11-12 06:20:26,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 06:20:26,817 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 06:20:26,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 06:20:26,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 06:20:26,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 06:20:26,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:20:26" (1/1) ... [2020-11-12 06:20:26,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b337ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:26, skipping insertion in model container [2020-11-12 06:20:26,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:20:26" (1/1) ... [2020-11-12 06:20:26,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 06:20:26,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 06:20:27,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:20:27,360 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 06:20:27,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:20:27,570 INFO L208 MainTranslator]: Completed translation [2020-11-12 06:20:27,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27 WrapperNode [2020-11-12 06:20:27,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 06:20:27,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 06:20:27,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 06:20:27,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 06:20:27,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27" (1/1) ... [2020-11-12 06:20:27,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27" (1/1) ... [2020-11-12 06:20:27,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 06:20:27,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 06:20:27,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 06:20:27,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 06:20:27,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27" (1/1) ... [2020-11-12 06:20:27,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27" (1/1) ... [2020-11-12 06:20:27,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27" (1/1) ... [2020-11-12 06:20:27,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27" (1/1) ... [2020-11-12 06:20:27,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27" (1/1) ... [2020-11-12 06:20:27,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27" (1/1) ... [2020-11-12 06:20:27,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27" (1/1) ... [2020-11-12 06:20:27,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 06:20:27,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 06:20:27,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 06:20:27,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 06:20:27,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27" (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 06:20:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 06:20:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 06:20:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 06:20:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 06:20:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 06:20:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 06:20:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 06:20:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 06:20:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 06:20:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 06:20:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 06:20:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 06:20:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 06:20:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 06:20:27,743 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 06:20:28,161 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 06:20:28,162 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 06:20:28,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:20:28 BoogieIcfgContainer [2020-11-12 06:20:28,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 06:20:28,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 06:20:28,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 06:20:28,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 06:20:28,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:20:26" (1/3) ... [2020-11-12 06:20:28,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f77abd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:20:28, skipping insertion in model container [2020-11-12 06:20:28,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:20:27" (2/3) ... [2020-11-12 06:20:28,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f77abd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:20:28, skipping insertion in model container [2020-11-12 06:20:28,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:20:28" (3/3) ... [2020-11-12 06:20:28,174 INFO L111 eAbstractionObserver]: Analyzing ICFG safe020_tso.oepc.i [2020-11-12 06:20:28,192 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 06:20:28,193 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 06:20:28,197 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 06:20:28,198 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 06:20:28,234 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,235 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,235 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,235 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,236 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,236 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,236 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,236 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,237 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,237 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,237 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,237 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,238 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,238 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,239 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,239 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,241 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,241 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,242 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,242 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,246 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,246 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,246 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,247 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,255 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,256 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,259 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,259 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:20:28,265 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 06:20:28,282 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 06:20:28,308 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 06:20:28,308 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 06:20:28,308 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 06:20:28,308 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 06:20:28,309 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 06:20:28,309 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 06:20:28,309 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 06:20:28,309 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 06:20:28,322 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 77 transitions, 169 flow [2020-11-12 06:20:29,207 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8447 states, 8445 states have (on average 3.5896980461811725) internal successors, (30315), 8446 states have internal predecessors, (30315), 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 06:20:29,783 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 572ms [2020-11-12 06:20:29,812 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 8447 states, 8445 states have (on average 3.5896980461811725) internal successors, (30315), 8446 states have internal predecessors, (30315), 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 06:20:29,844 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 8447 states, 7768 states have (on average 1.320030895983522) internal successors, (10254), 8446 states have internal predecessors, (10254), 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 06:20:29,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 8447 states, 7768 states have (on average 1.320030895983522) internal successors, (10254), 8446 states have internal predecessors, (10254), 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 06:20:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-12 06:20:29,960 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:20:29,961 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 06:20:29,962 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:20:29,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:20:29,970 INFO L82 PathProgramCache]: Analyzing trace with hash -736353114, now seen corresponding path program 1 times [2020-11-12 06:20:29,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:20:29,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488944957] [2020-11-12 06:20:29,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:20:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:20:30,407 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 06:20:30,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488944957] [2020-11-12 06:20:30,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:20:30,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:20:30,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089015088] [2020-11-12 06:20:30,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:20:30,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:20:30,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:20:30,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:20:30,440 INFO L87 Difference]: Start difference. First operand has 8447 states, 7768 states have (on average 1.320030895983522) internal successors, (10254), 8446 states have internal predecessors, (10254), 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 06:20:30,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:20:30,708 INFO L93 Difference]: Finished difference Result 11327 states and 12488 transitions. [2020-11-12 06:20:30,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:20:30,710 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 06:20:30,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:20:30,751 INFO L225 Difference]: With dead ends: 11327 [2020-11-12 06:20:30,751 INFO L226 Difference]: Without dead ends: 3822 [2020-11-12 06:20:30,752 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 06:20:30,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2020-11-12 06:20:30,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3822. [2020-11-12 06:20:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3822 states, 3564 states have (on average 1.2948933782267116) internal successors, (4615), 3821 states have internal predecessors, (4615), 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 06:20:30,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 4615 transitions. [2020-11-12 06:20:30,961 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 4615 transitions. Word has length 41 [2020-11-12 06:20:30,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:20:30,962 INFO L481 AbstractCegarLoop]: Abstraction has 3822 states and 4615 transitions. [2020-11-12 06:20:30,962 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 06:20:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 4615 transitions. [2020-11-12 06:20:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-12 06:20:30,970 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:20:30,970 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 06:20:30,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 06:20:30,971 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:20:30,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:20:30,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1393810663, now seen corresponding path program 1 times [2020-11-12 06:20:30,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:20:30,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549410307] [2020-11-12 06:20:30,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:20:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:20:31,177 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 06:20:31,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549410307] [2020-11-12 06:20:31,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:20:31,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:20:31,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034511022] [2020-11-12 06:20:31,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:20:31,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:20:31,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:20:31,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:20:31,190 INFO L87 Difference]: Start difference. First operand 3822 states and 4615 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 06:20:31,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:20:31,345 INFO L93 Difference]: Finished difference Result 4182 states and 5149 transitions. [2020-11-12 06:20:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:20:31,345 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 06:20:31,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:20:31,362 INFO L225 Difference]: With dead ends: 4182 [2020-11-12 06:20:31,362 INFO L226 Difference]: Without dead ends: 3102 [2020-11-12 06:20:31,363 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 06:20:31,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3102 states. [2020-11-12 06:20:31,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3102 to 3102. [2020-11-12 06:20:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3102 states, 2904 states have (on average 1.3033746556473829) internal successors, (3785), 3101 states have internal predecessors, (3785), 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 06:20:31,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 3102 states and 3785 transitions. [2020-11-12 06:20:31,458 INFO L78 Accepts]: Start accepts. Automaton has 3102 states and 3785 transitions. Word has length 43 [2020-11-12 06:20:31,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:20:31,459 INFO L481 AbstractCegarLoop]: Abstraction has 3102 states and 3785 transitions. [2020-11-12 06:20:31,460 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 06:20:31,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3102 states and 3785 transitions. [2020-11-12 06:20:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-12 06:20:31,467 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:20:31,467 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 06:20:31,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 06:20:31,468 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:20:31,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:20:31,468 INFO L82 PathProgramCache]: Analyzing trace with hash 57958776, now seen corresponding path program 1 times [2020-11-12 06:20:31,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:20:31,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410026103] [2020-11-12 06:20:31,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:20:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:20:31,654 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 06:20:31,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410026103] [2020-11-12 06:20:31,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:20:31,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:20:31,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359417842] [2020-11-12 06:20:31,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:20:31,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:20:31,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:20:31,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:20:31,661 INFO L87 Difference]: Start difference. First operand 3102 states and 3785 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 06:20:31,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:20:31,862 INFO L93 Difference]: Finished difference Result 5490 states and 6775 transitions. [2020-11-12 06:20:31,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:20:31,863 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 06:20:31,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:20:31,880 INFO L225 Difference]: With dead ends: 5490 [2020-11-12 06:20:31,881 INFO L226 Difference]: Without dead ends: 3332 [2020-11-12 06:20:31,882 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 06:20:31,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2020-11-12 06:20:31,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 2372. [2020-11-12 06:20:31,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2372 states, 2222 states have (on average 1.3028802880288028) internal successors, (2895), 2371 states have internal predecessors, (2895), 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 06:20:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 2895 transitions. [2020-11-12 06:20:31,955 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 2895 transitions. Word has length 44 [2020-11-12 06:20:31,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:20:31,955 INFO L481 AbstractCegarLoop]: Abstraction has 2372 states and 2895 transitions. [2020-11-12 06:20:31,955 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 06:20:31,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 2895 transitions. [2020-11-12 06:20:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 06:20:31,960 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:20:31,960 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 06:20:31,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 06:20:31,961 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:20:31,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:20:31,962 INFO L82 PathProgramCache]: Analyzing trace with hash 2107597128, now seen corresponding path program 1 times [2020-11-12 06:20:31,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:20:31,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658128691] [2020-11-12 06:20:31,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:20:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:20:32,160 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 06:20:32,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658128691] [2020-11-12 06:20:32,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:20:32,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:20:32,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951151707] [2020-11-12 06:20:32,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:20:32,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:20:32,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:20:32,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:20:32,163 INFO L87 Difference]: Start difference. First operand 2372 states and 2895 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 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 06:20:32,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:20:32,335 INFO L93 Difference]: Finished difference Result 3138 states and 3968 transitions. [2020-11-12 06:20:32,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:20:32,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 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 06:20:32,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:20:32,343 INFO L225 Difference]: With dead ends: 3138 [2020-11-12 06:20:32,344 INFO L226 Difference]: Without dead ends: 1610 [2020-11-12 06:20:32,344 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 06:20:32,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2020-11-12 06:20:32,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1610. [2020-11-12 06:20:32,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1510 states have (on average 1.3165562913907285) internal successors, (1988), 1609 states have internal predecessors, (1988), 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 06:20:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 1988 transitions. [2020-11-12 06:20:32,383 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 1988 transitions. Word has length 45 [2020-11-12 06:20:32,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:20:32,384 INFO L481 AbstractCegarLoop]: Abstraction has 1610 states and 1988 transitions. [2020-11-12 06:20:32,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 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 06:20:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1988 transitions. [2020-11-12 06:20:32,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 06:20:32,387 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:20:32,388 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 06:20:32,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 06:20:32,388 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:20:32,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:20:32,389 INFO L82 PathProgramCache]: Analyzing trace with hash -226280473, now seen corresponding path program 1 times [2020-11-12 06:20:32,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:20:32,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146003892] [2020-11-12 06:20:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:20:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:20:32,504 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 06:20:32,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146003892] [2020-11-12 06:20:32,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:20:32,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:20:32,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366288708] [2020-11-12 06:20:32,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:20:32,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:20:32,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:20:32,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:20:32,507 INFO L87 Difference]: Start difference. First operand 1610 states and 1988 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 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 06:20:32,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:20:32,629 INFO L93 Difference]: Finished difference Result 2006 states and 2433 transitions. [2020-11-12 06:20:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:20:32,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 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 06:20:32,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:20:32,637 INFO L225 Difference]: With dead ends: 2006 [2020-11-12 06:20:32,638 INFO L226 Difference]: Without dead ends: 1550 [2020-11-12 06:20:32,638 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 06:20:32,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2020-11-12 06:20:32,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1550. [2020-11-12 06:20:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1454 states have (on average 1.3094910591471802) internal successors, (1904), 1549 states have internal predecessors, (1904), 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 06:20:32,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 1904 transitions. [2020-11-12 06:20:32,691 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 1904 transitions. Word has length 47 [2020-11-12 06:20:32,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:20:32,691 INFO L481 AbstractCegarLoop]: Abstraction has 1550 states and 1904 transitions. [2020-11-12 06:20:32,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 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 06:20:32,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1904 transitions. [2020-11-12 06:20:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-12 06:20:32,696 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:20:32,696 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] [2020-11-12 06:20:32,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 06:20:32,697 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:20:32,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:20:32,698 INFO L82 PathProgramCache]: Analyzing trace with hash -324994563, now seen corresponding path program 1 times [2020-11-12 06:20:32,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:20:32,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316108249] [2020-11-12 06:20:32,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:20:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:20:32,827 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 06:20:32,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316108249] [2020-11-12 06:20:32,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:20:32,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:20:32,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308844236] [2020-11-12 06:20:32,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:20:32,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:20:32,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:20:32,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:20:32,830 INFO L87 Difference]: Start difference. First operand 1550 states and 1904 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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 06:20:32,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:20:32,991 INFO L93 Difference]: Finished difference Result 1640 states and 1964 transitions. [2020-11-12 06:20:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:20:32,992 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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 48 [2020-11-12 06:20:32,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:20:32,998 INFO L225 Difference]: With dead ends: 1640 [2020-11-12 06:20:32,999 INFO L226 Difference]: Without dead ends: 1172 [2020-11-12 06:20:32,999 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-12 06:20:33,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2020-11-12 06:20:33,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1172. [2020-11-12 06:20:33,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1100 states have (on average 1.2854545454545454) internal successors, (1414), 1171 states have internal predecessors, (1414), 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 06:20:33,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1414 transitions. [2020-11-12 06:20:33,032 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1414 transitions. Word has length 48 [2020-11-12 06:20:33,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:20:33,033 INFO L481 AbstractCegarLoop]: Abstraction has 1172 states and 1414 transitions. [2020-11-12 06:20:33,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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 06:20:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1414 transitions. [2020-11-12 06:20:33,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-12 06:20:33,036 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:20:33,037 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] [2020-11-12 06:20:33,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 06:20:33,037 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:20:33,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:20:33,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1719172700, now seen corresponding path program 1 times [2020-11-12 06:20:33,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:20:33,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990232876] [2020-11-12 06:20:33,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:20:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:20:33,192 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 06:20:33,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990232876] [2020-11-12 06:20:33,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:20:33,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 06:20:33,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289936432] [2020-11-12 06:20:33,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 06:20:33,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:20:33,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 06:20:33,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 06:20:33,195 INFO L87 Difference]: Start difference. First operand 1172 states and 1414 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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 06:20:33,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:20:33,380 INFO L93 Difference]: Finished difference Result 875 states and 1021 transitions. [2020-11-12 06:20:33,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-12 06:20:33,381 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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 50 [2020-11-12 06:20:33,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:20:33,383 INFO L225 Difference]: With dead ends: 875 [2020-11-12 06:20:33,384 INFO L226 Difference]: Without dead ends: 439 [2020-11-12 06:20:33,384 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-12 06:20:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-11-12 06:20:33,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2020-11-12 06:20:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 412 states have (on average 1.2597087378640777) internal successors, (519), 438 states have internal predecessors, (519), 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 06:20:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 519 transitions. [2020-11-12 06:20:33,398 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 519 transitions. Word has length 50 [2020-11-12 06:20:33,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:20:33,399 INFO L481 AbstractCegarLoop]: Abstraction has 439 states and 519 transitions. [2020-11-12 06:20:33,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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 06:20:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 519 transitions. [2020-11-12 06:20:33,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-12 06:20:33,401 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:20:33,401 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] [2020-11-12 06:20:33,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 06:20:33,402 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:20:33,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:20:33,402 INFO L82 PathProgramCache]: Analyzing trace with hash -952860031, now seen corresponding path program 1 times [2020-11-12 06:20:33,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:20:33,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151732667] [2020-11-12 06:20:33,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:20:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:20:33,675 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 06:20:33,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151732667] [2020-11-12 06:20:33,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:20:33,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:20:33,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563129651] [2020-11-12 06:20:33,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:20:33,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:20:33,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:20:33,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:20:33,678 INFO L87 Difference]: Start difference. First operand 439 states and 519 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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 06:20:33,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:20:33,775 INFO L93 Difference]: Finished difference Result 331 states and 411 transitions. [2020-11-12 06:20:33,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 06:20:33,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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 52 [2020-11-12 06:20:33,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:20:33,776 INFO L225 Difference]: With dead ends: 331 [2020-11-12 06:20:33,776 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 06:20:33,777 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:20:33,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 06:20:33,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 06:20:33,777 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 06:20:33,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 06:20:33,778 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2020-11-12 06:20:33,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:20:33,778 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 06:20:33,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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 06:20:33,779 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 06:20:33,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 06:20:33,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 06:20:33,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:20:33 BasicIcfg [2020-11-12 06:20:33,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 06:20:33,787 INFO L168 Benchmark]: Toolchain (without parser) took 6974.51 ms. Allocated memory was 302.0 MB in the beginning and 574.6 MB in the end (delta: 272.6 MB). Free memory was 275.5 MB in the beginning and 390.9 MB in the end (delta: -115.4 MB). Peak memory consumption was 160.0 MB. Max. memory is 16.0 GB. [2020-11-12 06:20:33,788 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 302.0 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:20:33,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.08 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 275.2 MB in the end (delta: -240.4 kB). Peak memory consumption was 28.2 MB. Max. memory is 16.0 GB. [2020-11-12 06:20:33,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.59 ms. Allocated memory is still 302.0 MB. Free memory was 275.2 MB in the beginning and 274.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:20:33,791 INFO L168 Benchmark]: Boogie Preprocessor took 27.66 ms. Allocated memory is still 302.0 MB. Free memory was 274.1 MB in the beginning and 272.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:20:33,791 INFO L168 Benchmark]: RCFGBuilder took 504.62 ms. Allocated memory is still 302.0 MB. Free memory was 272.0 MB in the beginning and 250.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:20:33,793 INFO L168 Benchmark]: TraceAbstraction took 5619.00 ms. Allocated memory was 302.0 MB in the beginning and 574.6 MB in the end (delta: 272.6 MB). Free memory was 248.9 MB in the beginning and 390.9 MB in the end (delta: -141.9 MB). Peak memory consumption was 131.8 MB. Max. memory is 16.0 GB. [2020-11-12 06:20:33,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 302.0 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 755.08 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 275.2 MB in the end (delta: -240.4 kB). Peak memory consumption was 28.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.59 ms. Allocated memory is still 302.0 MB. Free memory was 275.2 MB in the beginning and 274.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.66 ms. Allocated memory is still 302.0 MB. Free memory was 274.1 MB in the beginning and 272.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 504.62 ms. Allocated memory is still 302.0 MB. Free memory was 272.0 MB in the beginning and 250.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5619.00 ms. Allocated memory was 302.0 MB in the beginning and 574.6 MB in the end (delta: 272.6 MB). Free memory was 248.9 MB in the beginning and 390.9 MB in the end (delta: -141.9 MB). Peak memory consumption was 131.8 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, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.4s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 506 SDtfs, 707 SDslu, 1873 SDs, 0 SdLazy, 221 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8447occurred 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: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 960 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 370 NumberOfCodeBlocks, 370 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 44534 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...