/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:44:41,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:44:41,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:44:41,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:44:41,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:44:41,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:44:41,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:44:41,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:44:41,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:44:41,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:44:41,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:44:41,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:44:41,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:44:41,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:44:41,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:44:41,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:44:41,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:44:41,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:44:41,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:44:41,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:44:41,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:44:41,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:44:41,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:44:41,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:44:41,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 00:44:41,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 00:44:41,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 00:44:41,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 00:44:41,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 00:44:41,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 00:44:41,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 00:44:41,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 00:44:41,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 00:44:41,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 00:44:41,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 00:44:41,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 00:44:41,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 00:44:41,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 00:44:41,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:44:41,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:44:41,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:44:41,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-22 00:44:41,981 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:44:41,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:44:41,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:44:41,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:44:41,984 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:44:41,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:44:41,984 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:44:41,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:44:41,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:44:41,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:44:41,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:44:41,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:44:41,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:44:41,987 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:44:41,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:44:41,988 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:44:41,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:44:41,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:44:41,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:44:41,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:44:41,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:44:41,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:44:41,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:44:41,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:44:41,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:44:41,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:44:41,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:44:41,990 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:44:41,990 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:44:41,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:44:41,991 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:44:42,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:44:42,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:44:42,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:44:42,303 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:44:42,304 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:44:42,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-10-22 00:44:42,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b85bb002/7e75ecf31d6c4a9a92f4ac221a34b4c1/FLAGab43b6780 [2020-10-22 00:44:42,961 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:44:42,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-10-22 00:44:42,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b85bb002/7e75ecf31d6c4a9a92f4ac221a34b4c1/FLAGab43b6780 [2020-10-22 00:44:43,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b85bb002/7e75ecf31d6c4a9a92f4ac221a34b4c1 [2020-10-22 00:44:43,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:44:43,197 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:44:43,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:44:43,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:44:43,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:44:43,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:44:43" (1/1) ... [2020-10-22 00:44:43,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403d3b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:43, skipping insertion in model container [2020-10-22 00:44:43,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:44:43" (1/1) ... [2020-10-22 00:44:43,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:44:43,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:44:43,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:44:43,863 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:44:43,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:44:44,051 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:44:44,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44 WrapperNode [2020-10-22 00:44:44,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:44:44,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:44:44,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:44:44,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:44:44,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44" (1/1) ... [2020-10-22 00:44:44,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44" (1/1) ... [2020-10-22 00:44:44,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:44:44,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:44:44,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:44:44,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:44:44,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44" (1/1) ... [2020-10-22 00:44:44,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44" (1/1) ... [2020-10-22 00:44:44,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44" (1/1) ... [2020-10-22 00:44:44,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44" (1/1) ... [2020-10-22 00:44:44,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44" (1/1) ... [2020-10-22 00:44:44,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44" (1/1) ... [2020-10-22 00:44:44,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44" (1/1) ... [2020-10-22 00:44:44,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:44:44,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:44:44,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:44:44,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:44:44,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:44:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:44:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 00:44:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:44:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:44:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 00:44:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 00:44:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 00:44:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 00:44:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 00:44:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 00:44:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-22 00:44:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-22 00:44:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:44:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 00:44:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:44:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:44:44,218 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 00:44:44,615 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:44:44,615 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 00:44:44,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:44:44 BoogieIcfgContainer [2020-10-22 00:44:44,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:44:44,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:44:44,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:44:44,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:44:44,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:44:43" (1/3) ... [2020-10-22 00:44:44,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a16b752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:44:44, skipping insertion in model container [2020-10-22 00:44:44,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:44:44" (2/3) ... [2020-10-22 00:44:44,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a16b752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:44:44, skipping insertion in model container [2020-10-22 00:44:44,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:44:44" (3/3) ... [2020-10-22 00:44:44,632 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_tso.opt.i [2020-10-22 00:44:44,646 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:44:44,647 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:44:44,654 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 00:44:44,656 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:44:44,690 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,690 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,690 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,691 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,691 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,692 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,693 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,693 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,695 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,695 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,697 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,697 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,702 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,702 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,712 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,713 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,725 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,725 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,731 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,732 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:44:44,734 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 00:44:44,748 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 00:44:44,769 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:44:44,769 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:44:44,770 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:44:44,770 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:44:44,770 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:44:44,770 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:44:44,770 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:44:44,770 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:44:44,785 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:44:44,786 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 95 transitions, 210 flow [2020-10-22 00:44:44,788 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 95 transitions, 210 flow [2020-10-22 00:44:44,790 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 105 places, 95 transitions, 210 flow [2020-10-22 00:44:44,846 INFO L129 PetriNetUnfolder]: 3/91 cut-off events. [2020-10-22 00:44:44,846 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 00:44:44,853 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 91 events. 3/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-10-22 00:44:44,857 INFO L116 LiptonReduction]: Number of co-enabled transitions 2256 [2020-10-22 00:44:46,791 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-10-22 00:44:46,919 INFO L131 LiptonReduction]: Checked pairs total: 4418 [2020-10-22 00:44:46,919 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-10-22 00:44:46,927 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-10-22 00:44:47,048 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-10-22 00:44:47,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-10-22 00:44:47,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 00:44:47,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:44:47,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:44:47,064 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:44:47,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:44:47,071 INFO L82 PathProgramCache]: Analyzing trace with hash 481695671, now seen corresponding path program 1 times [2020-10-22 00:44:47,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:44:47,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531680304] [2020-10-22 00:44:47,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:44:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:44:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:44:47,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531680304] [2020-10-22 00:44:47,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:44:47,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:44:47,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [539740809] [2020-10-22 00:44:47,310 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:44:47,314 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:44:47,331 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 00:44:47,331 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:44:47,336 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:44:47,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-22 00:44:47,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:44:47,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-22 00:44:47,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 00:44:47,357 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-10-22 00:44:47,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:44:47,412 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-10-22 00:44:47,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-22 00:44:47,414 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-22 00:44:47,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:44:47,456 INFO L225 Difference]: With dead ends: 1450 [2020-10-22 00:44:47,456 INFO L226 Difference]: Without dead ends: 1194 [2020-10-22 00:44:47,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 00:44:47,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-10-22 00:44:47,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-10-22 00:44:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-10-22 00:44:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-10-22 00:44:47,623 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-10-22 00:44:47,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:44:47,626 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-10-22 00:44:47,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-22 00:44:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-10-22 00:44:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 00:44:47,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:44:47,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:44:47,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:44:47,634 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:44:47,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:44:47,635 INFO L82 PathProgramCache]: Analyzing trace with hash 2047662136, now seen corresponding path program 1 times [2020-10-22 00:44:47,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:44:47,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046879428] [2020-10-22 00:44:47,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:44:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:44:47,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:44:47,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046879428] [2020-10-22 00:44:47,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:44:47,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:44:47,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [450920693] [2020-10-22 00:44:47,845 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:44:47,846 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:44:47,848 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 00:44:47,848 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:44:47,849 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:44:47,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:44:47,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:44:47,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:44:47,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:44:47,852 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 4 states. [2020-10-22 00:44:47,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:44:47,901 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-10-22 00:44:47,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:44:47,901 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-22 00:44:47,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:44:47,911 INFO L225 Difference]: With dead ends: 1322 [2020-10-22 00:44:47,911 INFO L226 Difference]: Without dead ends: 1066 [2020-10-22 00:44:47,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:44:47,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-10-22 00:44:47,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-10-22 00:44:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-10-22 00:44:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-10-22 00:44:47,960 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-10-22 00:44:47,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:44:47,960 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-10-22 00:44:47,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:44:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-10-22 00:44:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 00:44:47,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:44:47,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:44:47,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:44:47,964 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:44:47,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:44:47,964 INFO L82 PathProgramCache]: Analyzing trace with hash -947011909, now seen corresponding path program 1 times [2020-10-22 00:44:47,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:44:47,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547140075] [2020-10-22 00:44:47,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:44:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:44:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:44:48,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547140075] [2020-10-22 00:44:48,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:44:48,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:44:48,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1667383173] [2020-10-22 00:44:48,093 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:44:48,095 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:44:48,097 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 14 transitions. [2020-10-22 00:44:48,097 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:44:48,117 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:44:48,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:44:48,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:44:48,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:44:48,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:44:48,119 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 4 states. [2020-10-22 00:44:48,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:44:48,156 INFO L93 Difference]: Finished difference Result 1162 states and 4016 transitions. [2020-10-22 00:44:48,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:44:48,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-22 00:44:48,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:44:48,165 INFO L225 Difference]: With dead ends: 1162 [2020-10-22 00:44:48,166 INFO L226 Difference]: Without dead ends: 970 [2020-10-22 00:44:48,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:44:48,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-10-22 00:44:48,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2020-10-22 00:44:48,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-10-22 00:44:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 3408 transitions. [2020-10-22 00:44:48,250 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 3408 transitions. Word has length 12 [2020-10-22 00:44:48,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:44:48,250 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 3408 transitions. [2020-10-22 00:44:48,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:44:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 3408 transitions. [2020-10-22 00:44:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 00:44:48,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:44:48,252 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:44:48,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:44:48,253 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:44:48,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:44:48,253 INFO L82 PathProgramCache]: Analyzing trace with hash 639503440, now seen corresponding path program 1 times [2020-10-22 00:44:48,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:44:48,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028382271] [2020-10-22 00:44:48,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:44:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:44:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:44:48,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028382271] [2020-10-22 00:44:48,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:44:48,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:44:48,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1084399844] [2020-10-22 00:44:48,338 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:44:48,343 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:44:48,346 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 26 transitions. [2020-10-22 00:44:48,346 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:44:48,448 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:44:48,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:44:48,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:44:48,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:44:48,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:44:48,449 INFO L87 Difference]: Start difference. First operand 970 states and 3408 transitions. Second operand 5 states. [2020-10-22 00:44:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:44:48,512 INFO L93 Difference]: Finished difference Result 1210 states and 4168 transitions. [2020-10-22 00:44:48,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 00:44:48,513 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-22 00:44:48,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:44:48,519 INFO L225 Difference]: With dead ends: 1210 [2020-10-22 00:44:48,519 INFO L226 Difference]: Without dead ends: 682 [2020-10-22 00:44:48,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:44:48,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-10-22 00:44:48,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2020-10-22 00:44:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-10-22 00:44:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 2240 transitions. [2020-10-22 00:44:48,546 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 2240 transitions. Word has length 13 [2020-10-22 00:44:48,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:44:48,546 INFO L481 AbstractCegarLoop]: Abstraction has 682 states and 2240 transitions. [2020-10-22 00:44:48,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:44:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 2240 transitions. [2020-10-22 00:44:48,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 00:44:48,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:44:48,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:44:48,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:44:48,549 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:44:48,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:44:48,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1293879022, now seen corresponding path program 1 times [2020-10-22 00:44:48,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:44:48,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141964949] [2020-10-22 00:44:48,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:44:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:44:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:44:48,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141964949] [2020-10-22 00:44:48,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:44:48,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:44:48,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1597204765] [2020-10-22 00:44:48,632 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:44:48,634 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:44:48,637 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 28 transitions. [2020-10-22 00:44:48,638 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:44:48,722 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:44:48,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:44:48,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:44:48,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:44:48,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:44:48,724 INFO L87 Difference]: Start difference. First operand 682 states and 2240 transitions. Second operand 4 states. [2020-10-22 00:44:48,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:44:48,755 INFO L93 Difference]: Finished difference Result 730 states and 2332 transitions. [2020-10-22 00:44:48,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:44:48,756 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-22 00:44:48,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:44:48,762 INFO L225 Difference]: With dead ends: 730 [2020-10-22 00:44:48,762 INFO L226 Difference]: Without dead ends: 634 [2020-10-22 00:44:48,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:44:48,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-10-22 00:44:48,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-10-22 00:44:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-10-22 00:44:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 2052 transitions. [2020-10-22 00:44:48,787 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 2052 transitions. Word has length 14 [2020-10-22 00:44:48,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:44:48,787 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 2052 transitions. [2020-10-22 00:44:48,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:44:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 2052 transitions. [2020-10-22 00:44:48,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 00:44:48,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:44:48,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:44:48,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 00:44:48,790 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:44:48,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:44:48,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1455505723, now seen corresponding path program 1 times [2020-10-22 00:44:48,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:44:48,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120481612] [2020-10-22 00:44:48,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:44:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:44:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:44:48,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120481612] [2020-10-22 00:44:48,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:44:48,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:44:48,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [380642162] [2020-10-22 00:44:48,883 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:44:48,886 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:44:48,892 INFO L252 McrAutomatonBuilder]: Finished intersection with 40 states and 70 transitions. [2020-10-22 00:44:48,893 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:44:49,162 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:44:49,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:44:49,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:44:49,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:44:49,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:44:49,163 INFO L87 Difference]: Start difference. First operand 634 states and 2052 transitions. Second operand 4 states. [2020-10-22 00:44:49,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:44:49,187 INFO L93 Difference]: Finished difference Result 670 states and 2118 transitions. [2020-10-22 00:44:49,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:44:49,188 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-22 00:44:49,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:44:49,193 INFO L225 Difference]: With dead ends: 670 [2020-10-22 00:44:49,194 INFO L226 Difference]: Without dead ends: 598 [2020-10-22 00:44:49,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:44:49,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-22 00:44:49,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2020-10-22 00:44:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-22 00:44:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1914 transitions. [2020-10-22 00:44:49,219 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1914 transitions. Word has length 15 [2020-10-22 00:44:49,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:44:49,220 INFO L481 AbstractCegarLoop]: Abstraction has 598 states and 1914 transitions. [2020-10-22 00:44:49,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:44:49,220 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1914 transitions. [2020-10-22 00:44:49,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 00:44:49,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:44:49,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:44:49,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 00:44:49,223 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:44:49,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:44:49,223 INFO L82 PathProgramCache]: Analyzing trace with hash -991972764, now seen corresponding path program 1 times [2020-10-22 00:44:49,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:44:49,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406462792] [2020-10-22 00:44:49,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:44:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:44:49,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:44:49,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406462792] [2020-10-22 00:44:49,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:44:49,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:44:49,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [691720253] [2020-10-22 00:44:49,286 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:44:49,288 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:44:49,301 INFO L252 McrAutomatonBuilder]: Finished intersection with 72 states and 162 transitions. [2020-10-22 00:44:49,301 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:44:50,152 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:44:50,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:44:50,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:44:50,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:44:50,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:44:50,153 INFO L87 Difference]: Start difference. First operand 598 states and 1914 transitions. Second operand 5 states. [2020-10-22 00:44:50,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:44:50,214 INFO L93 Difference]: Finished difference Result 712 states and 2245 transitions. [2020-10-22 00:44:50,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 00:44:50,215 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-22 00:44:50,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:44:50,218 INFO L225 Difference]: With dead ends: 712 [2020-10-22 00:44:50,218 INFO L226 Difference]: Without dead ends: 292 [2020-10-22 00:44:50,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:44:50,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-10-22 00:44:50,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2020-10-22 00:44:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-10-22 00:44:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 846 transitions. [2020-10-22 00:44:50,231 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 846 transitions. Word has length 16 [2020-10-22 00:44:50,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:44:50,231 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 846 transitions. [2020-10-22 00:44:50,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:44:50,232 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 846 transitions. [2020-10-22 00:44:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 00:44:50,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:44:50,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:44:50,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 00:44:50,233 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:44:50,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:44:50,234 INFO L82 PathProgramCache]: Analyzing trace with hash -687525174, now seen corresponding path program 1 times [2020-10-22 00:44:50,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:44:50,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721620169] [2020-10-22 00:44:50,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:44:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:44:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:44:50,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721620169] [2020-10-22 00:44:50,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:44:50,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:44:50,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1762515414] [2020-10-22 00:44:50,294 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:44:50,296 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:44:50,304 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 82 transitions. [2020-10-22 00:44:50,304 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:44:50,671 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:44:50,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:44:50,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:44:50,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:44:50,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:44:50,673 INFO L87 Difference]: Start difference. First operand 292 states and 846 transitions. Second operand 5 states. [2020-10-22 00:44:50,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:44:50,751 INFO L93 Difference]: Finished difference Result 352 states and 1006 transitions. [2020-10-22 00:44:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 00:44:50,752 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-22 00:44:50,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:44:50,753 INFO L225 Difference]: With dead ends: 352 [2020-10-22 00:44:50,753 INFO L226 Difference]: Without dead ends: 154 [2020-10-22 00:44:50,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:44:50,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-22 00:44:50,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-10-22 00:44:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-22 00:44:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 410 transitions. [2020-10-22 00:44:50,758 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 410 transitions. Word has length 17 [2020-10-22 00:44:50,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:44:50,758 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 410 transitions. [2020-10-22 00:44:50,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:44:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 410 transitions. [2020-10-22 00:44:50,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 00:44:50,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:44:50,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:44:50,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 00:44:50,759 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:44:50,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:44:50,760 INFO L82 PathProgramCache]: Analyzing trace with hash -2117772472, now seen corresponding path program 1 times [2020-10-22 00:44:50,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:44:50,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45525680] [2020-10-22 00:44:50,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:44:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:44:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:44:50,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45525680] [2020-10-22 00:44:50,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:44:50,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:44:50,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [786967638] [2020-10-22 00:44:50,850 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:44:50,853 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:44:50,858 INFO L252 McrAutomatonBuilder]: Finished intersection with 30 states and 40 transitions. [2020-10-22 00:44:50,859 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:44:50,983 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:44:50,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:44:50,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:44:50,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:44:50,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:44:50,984 INFO L87 Difference]: Start difference. First operand 154 states and 410 transitions. Second operand 5 states. [2020-10-22 00:44:51,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:44:51,029 INFO L93 Difference]: Finished difference Result 130 states and 334 transitions. [2020-10-22 00:44:51,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 00:44:51,030 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-22 00:44:51,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:44:51,030 INFO L225 Difference]: With dead ends: 130 [2020-10-22 00:44:51,030 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 00:44:51,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:44:51,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 00:44:51,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 00:44:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 00:44:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 00:44:51,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-22 00:44:51,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:44:51,033 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 00:44:51,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:44:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 00:44:51,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 00:44:51,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 00:44:51,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:44:51 BasicIcfg [2020-10-22 00:44:51,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 00:44:51,040 INFO L168 Benchmark]: Toolchain (without parser) took 7848.73 ms. Allocated memory was 140.5 MB in the beginning and 313.0 MB in the end (delta: 172.5 MB). Free memory was 101.2 MB in the beginning and 232.8 MB in the end (delta: -131.6 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. [2020-10-22 00:44:51,042 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-22 00:44:51,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 853.18 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 158.1 MB in the end (delta: -57.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-10-22 00:44:51,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.19 ms. Allocated memory is still 203.4 MB. Free memory was 158.1 MB in the beginning and 155.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 00:44:51,050 INFO L168 Benchmark]: Boogie Preprocessor took 31.41 ms. Allocated memory is still 203.4 MB. Free memory was 155.4 MB in the beginning and 154.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-22 00:44:51,051 INFO L168 Benchmark]: RCFGBuilder took 484.71 ms. Allocated memory is still 203.4 MB. Free memory was 154.1 MB in the beginning and 127.8 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-10-22 00:44:51,053 INFO L168 Benchmark]: TraceAbstraction took 6414.17 ms. Allocated memory was 203.4 MB in the beginning and 313.0 MB in the end (delta: 109.6 MB). Free memory was 127.1 MB in the beginning and 232.8 MB in the end (delta: -105.6 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-22 00:44:51,063 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 853.18 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 158.1 MB in the end (delta: -57.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.19 ms. Allocated memory is still 203.4 MB. Free memory was 158.1 MB in the beginning and 155.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.41 ms. Allocated memory is still 203.4 MB. Free memory was 155.4 MB in the beginning and 154.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 484.71 ms. Allocated memory is still 203.4 MB. Free memory was 154.1 MB in the beginning and 127.8 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6414.17 ms. Allocated memory was 203.4 MB in the beginning and 313.0 MB in the end (delta: 109.6 MB). Free memory was 127.1 MB in the beginning and 232.8 MB in the end (delta: -105.6 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1227 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 105 PlacesBefore, 41 PlacesAfterwards, 95 TransitionsBefore, 29 TransitionsAfterwards, 2256 CoEnabledTransitionPairs, 5 FixpointIterations, 21 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 4418 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.2s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 263 SDtfs, 252 SDslu, 355 SDs, 0 SdLazy, 63 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1450occurred 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: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 5229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...