/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-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:19:39,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:19:39,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:19:39,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:19:39,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:19:39,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:19:39,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:19:39,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:19:39,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:19:39,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:19:39,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:19:39,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:19:39,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:19:39,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:19:39,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:19:39,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:19:39,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:19:39,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:19:39,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:19:39,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:19:39,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:19:39,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:19:39,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:19:39,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:19:39,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 02:19:39,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 02:19:39,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 02:19:39,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 02:19:39,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 02:19:39,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 02:19:39,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:19:39,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:19:39,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:19:39,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:19:39,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:19:39,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:19:39,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:19:39,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:19:39,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:19:39,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:19:39,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:19:39,610 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-SP.epf [2020-10-22 02:19:39,648 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:19:39,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:19:39,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:19:39,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:19:39,650 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:19:39,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:19:39,651 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:19:39,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:19:39,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:19:39,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:19:39,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:19:39,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:19:39,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:19:39,654 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:19:39,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:19:39,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:19:39,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:19:39,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:19:39,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:19:39,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:19:39,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:19:39,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:19:39,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:19:39,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:19:39,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:19:39,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:19:39,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:19:39,657 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:19:39,657 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:19:39,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:19:39,657 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:19:39,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:19:39,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:19:39,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:19:39,946 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:19:39,946 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:19:39,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-10-22 02:19:40,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84121e233/0af08c3c7ab542288dd1252da9d5df1c/FLAG355547f18 [2020-10-22 02:19:40,531 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:19:40,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-10-22 02:19:40,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84121e233/0af08c3c7ab542288dd1252da9d5df1c/FLAG355547f18 [2020-10-22 02:19:40,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84121e233/0af08c3c7ab542288dd1252da9d5df1c [2020-10-22 02:19:40,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:19:40,840 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:19:40,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:19:40,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:19:40,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:19:40,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:19:40" (1/1) ... [2020-10-22 02:19:40,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2f7a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:40, skipping insertion in model container [2020-10-22 02:19:40,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:19:40" (1/1) ... [2020-10-22 02:19:40,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:19:40,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:19:41,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:19:41,407 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:19:41,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:19:41,533 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:19:41,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41 WrapperNode [2020-10-22 02:19:41,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:19:41,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:19:41,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:19:41,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:19:41,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41" (1/1) ... [2020-10-22 02:19:41,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41" (1/1) ... [2020-10-22 02:19:41,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:19:41,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:19:41,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:19:41,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:19:41,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41" (1/1) ... [2020-10-22 02:19:41,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41" (1/1) ... [2020-10-22 02:19:41,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41" (1/1) ... [2020-10-22 02:19:41,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41" (1/1) ... [2020-10-22 02:19:41,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41" (1/1) ... [2020-10-22 02:19:41,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41" (1/1) ... [2020-10-22 02:19:41,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41" (1/1) ... [2020-10-22 02:19:41,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:19:41,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:19:41,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:19:41,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:19:41,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41" (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 02:19:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:19:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 02:19:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:19:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:19:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 02:19:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 02:19:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 02:19:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 02:19:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:19:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 02:19:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:19:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:19:41,684 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 02:19:41,995 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:19:41,995 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 02:19:41,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:19:41 BoogieIcfgContainer [2020-10-22 02:19:41,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:19:41,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:19:41,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:19:42,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:19:42,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:19:40" (1/3) ... [2020-10-22 02:19:42,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a1e57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:19:42, skipping insertion in model container [2020-10-22 02:19:42,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:41" (2/3) ... [2020-10-22 02:19:42,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a1e57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:19:42, skipping insertion in model container [2020-10-22 02:19:42,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:19:41" (3/3) ... [2020-10-22 02:19:42,006 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i [2020-10-22 02:19:42,018 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:19:42,019 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:19:42,026 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:19:42,027 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:19:42,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,060 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,060 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,062 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,062 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,067 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,068 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,075 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,075 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:42,078 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:19:42,091 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-22 02:19:42,112 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:19:42,112 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:19:42,112 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:19:42,113 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:19:42,113 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:19:42,113 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:19:42,113 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:19:42,113 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:19:42,128 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:19:42,128 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 63 transitions, 136 flow [2020-10-22 02:19:42,130 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 63 transitions, 136 flow [2020-10-22 02:19:42,132 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 67 places, 63 transitions, 136 flow [2020-10-22 02:19:42,174 INFO L129 PetriNetUnfolder]: 3/61 cut-off events. [2020-10-22 02:19:42,175 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 02:19:42,179 INFO L80 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 61 events. 3/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-10-22 02:19:42,184 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-10-22 02:19:43,690 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-10-22 02:19:43,790 INFO L131 LiptonReduction]: Checked pairs total: 1732 [2020-10-22 02:19:43,790 INFO L133 LiptonReduction]: Total number of compositions: 67 [2020-10-22 02:19:43,801 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 16 transitions, 42 flow [2020-10-22 02:19:43,816 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-10-22 02:19:43,818 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-22 02:19:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 02:19:43,839 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:43,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 02:19:43,840 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:43,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:43,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1371543398, now seen corresponding path program 1 times [2020-10-22 02:19:43,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:43,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898086826] [2020-10-22 02:19:43,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:44,074 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 02:19:44,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898086826] [2020-10-22 02:19:44,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:44,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:19:44,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [92489385] [2020-10-22 02:19:44,078 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:44,085 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:44,103 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 02:19:44,104 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:44,109 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:44,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:19:44,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:44,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:19:44,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:44,133 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-10-22 02:19:44,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:44,188 INFO L93 Difference]: Finished difference Result 72 states and 154 transitions. [2020-10-22 02:19:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:19:44,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-22 02:19:44,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:44,202 INFO L225 Difference]: With dead ends: 72 [2020-10-22 02:19:44,202 INFO L226 Difference]: Without dead ends: 56 [2020-10-22 02:19:44,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:44,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-22 02:19:44,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-22 02:19:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-22 02:19:44,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 114 transitions. [2020-10-22 02:19:44,263 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 114 transitions. Word has length 6 [2020-10-22 02:19:44,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:44,264 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 114 transitions. [2020-10-22 02:19:44,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:19:44,265 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2020-10-22 02:19:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 02:19:44,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:44,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:44,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:19:44,267 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:44,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:44,267 INFO L82 PathProgramCache]: Analyzing trace with hash 431820270, now seen corresponding path program 1 times [2020-10-22 02:19:44,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:44,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594635586] [2020-10-22 02:19:44,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:44,384 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 02:19:44,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594635586] [2020-10-22 02:19:44,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:44,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:19:44,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [135675024] [2020-10-22 02:19:44,386 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:44,388 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:44,391 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 9 transitions. [2020-10-22 02:19:44,391 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:44,420 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:44,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:19:44,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:44,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:19:44,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:44,423 INFO L87 Difference]: Start difference. First operand 56 states and 114 transitions. Second operand 3 states. [2020-10-22 02:19:44,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:44,442 INFO L93 Difference]: Finished difference Result 55 states and 111 transitions. [2020-10-22 02:19:44,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:19:44,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 02:19:44,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:44,445 INFO L225 Difference]: With dead ends: 55 [2020-10-22 02:19:44,445 INFO L226 Difference]: Without dead ends: 55 [2020-10-22 02:19:44,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:44,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-22 02:19:44,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-22 02:19:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-22 02:19:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 111 transitions. [2020-10-22 02:19:44,456 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 111 transitions. Word has length 7 [2020-10-22 02:19:44,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:44,457 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 111 transitions. [2020-10-22 02:19:44,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:19:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 111 transitions. [2020-10-22 02:19:44,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:19:44,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:44,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:44,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:19:44,460 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:44,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:44,461 INFO L82 PathProgramCache]: Analyzing trace with hash -383094824, now seen corresponding path program 1 times [2020-10-22 02:19:44,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:44,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129865725] [2020-10-22 02:19:44,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:44,578 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 02:19:44,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129865725] [2020-10-22 02:19:44,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:44,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:19:44,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1812297604] [2020-10-22 02:19:44,579 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:44,580 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:44,582 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 21 transitions. [2020-10-22 02:19:44,583 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:44,694 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:44,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:19:44,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:44,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:19:44,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:19:44,696 INFO L87 Difference]: Start difference. First operand 55 states and 111 transitions. Second operand 4 states. [2020-10-22 02:19:44,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:44,732 INFO L93 Difference]: Finished difference Result 56 states and 99 transitions. [2020-10-22 02:19:44,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:19:44,732 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-22 02:19:44,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:44,733 INFO L225 Difference]: With dead ends: 56 [2020-10-22 02:19:44,733 INFO L226 Difference]: Without dead ends: 40 [2020-10-22 02:19:44,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 02:19:44,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-22 02:19:44,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-22 02:19:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-22 02:19:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 66 transitions. [2020-10-22 02:19:44,740 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 66 transitions. Word has length 8 [2020-10-22 02:19:44,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:44,740 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 66 transitions. [2020-10-22 02:19:44,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:19:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-10-22 02:19:44,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:19:44,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:44,742 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:44,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:19:44,742 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:44,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:44,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1007823895, now seen corresponding path program 1 times [2020-10-22 02:19:44,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:44,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335358730] [2020-10-22 02:19:44,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:44,797 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 02:19:44,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335358730] [2020-10-22 02:19:44,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:44,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:19:44,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1825839991] [2020-10-22 02:19:44,799 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:44,800 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:44,802 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 21 transitions. [2020-10-22 02:19:44,802 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:44,884 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:44,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:19:44,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:44,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:19:44,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:44,886 INFO L87 Difference]: Start difference. First operand 40 states and 66 transitions. Second operand 3 states. [2020-10-22 02:19:44,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:44,897 INFO L93 Difference]: Finished difference Result 51 states and 79 transitions. [2020-10-22 02:19:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:19:44,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 02:19:44,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:44,899 INFO L225 Difference]: With dead ends: 51 [2020-10-22 02:19:44,900 INFO L226 Difference]: Without dead ends: 41 [2020-10-22 02:19:44,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:44,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-22 02:19:44,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-10-22 02:19:44,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-22 02:19:44,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 60 transitions. [2020-10-22 02:19:44,907 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 60 transitions. Word has length 9 [2020-10-22 02:19:44,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:44,907 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 60 transitions. [2020-10-22 02:19:44,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:19:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-10-22 02:19:44,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:19:44,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:44,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:44,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 02:19:44,911 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:44,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:44,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1633722403, now seen corresponding path program 1 times [2020-10-22 02:19:44,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:44,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824197764] [2020-10-22 02:19:44,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:44,984 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 02:19:44,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824197764] [2020-10-22 02:19:44,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:44,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:19:44,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [461965033] [2020-10-22 02:19:44,985 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:44,986 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:44,987 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 02:19:44,987 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:44,988 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:44,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:19:44,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:44,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:19:44,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:44,989 INFO L87 Difference]: Start difference. First operand 39 states and 60 transitions. Second operand 3 states. [2020-10-22 02:19:44,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:44,996 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2020-10-22 02:19:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:19:44,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 02:19:44,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:44,997 INFO L225 Difference]: With dead ends: 42 [2020-10-22 02:19:44,998 INFO L226 Difference]: Without dead ends: 31 [2020-10-22 02:19:44,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:44,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-22 02:19:45,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-10-22 02:19:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-22 02:19:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-10-22 02:19:45,002 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2020-10-22 02:19:45,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:45,002 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-10-22 02:19:45,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:19:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-10-22 02:19:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:19:45,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:45,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:45,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:19:45,003 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:45,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:45,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1177733491, now seen corresponding path program 1 times [2020-10-22 02:19:45,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:45,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422197294] [2020-10-22 02:19:45,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:45,056 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 02:19:45,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422197294] [2020-10-22 02:19:45,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:45,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:19:45,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1308498878] [2020-10-22 02:19:45,057 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:45,058 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:45,060 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 29 transitions. [2020-10-22 02:19:45,060 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:45,173 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:45,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:19:45,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:45,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:19:45,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:19:45,175 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 5 states. [2020-10-22 02:19:45,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:45,196 INFO L93 Difference]: Finished difference Result 25 states and 34 transitions. [2020-10-22 02:19:45,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:19:45,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-22 02:19:45,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:45,197 INFO L225 Difference]: With dead ends: 25 [2020-10-22 02:19:45,197 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 02:19:45,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:19:45,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 02:19:45,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 02:19:45,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 02:19:45,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 02:19:45,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-10-22 02:19:45,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:45,199 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 02:19:45,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:19:45,199 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 02:19:45,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 02:19:45,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:19:45,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:19:45 BasicIcfg [2020-10-22 02:19:45,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:19:45,205 INFO L168 Benchmark]: Toolchain (without parser) took 4371.10 ms. Allocated memory was 140.0 MB in the beginning and 247.5 MB in the end (delta: 107.5 MB). Free memory was 101.2 MB in the beginning and 183.0 MB in the end (delta: -81.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,206 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.61 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 100.2 MB in the beginning and 156.8 MB in the end (delta: -56.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.46 ms. Allocated memory is still 202.4 MB. Free memory was 156.8 MB in the beginning and 154.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,209 INFO L168 Benchmark]: Boogie Preprocessor took 26.95 ms. Allocated memory is still 202.4 MB. Free memory was 154.7 MB in the beginning and 153.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,209 INFO L168 Benchmark]: RCFGBuilder took 386.77 ms. Allocated memory is still 202.4 MB. Free memory was 153.4 MB in the beginning and 131.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:45,210 INFO L168 Benchmark]: TraceAbstraction took 3204.62 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 131.0 MB in the beginning and 183.0 MB in the end (delta: -52.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-22 02:19:45,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.61 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 100.2 MB in the beginning and 156.8 MB in the end (delta: -56.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.46 ms. Allocated memory is still 202.4 MB. Free memory was 156.8 MB in the beginning and 154.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.95 ms. Allocated memory is still 202.4 MB. Free memory was 154.7 MB in the beginning and 153.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 386.77 ms. Allocated memory is still 202.4 MB. Free memory was 153.4 MB in the beginning and 131.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3204.62 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 131.0 MB in the beginning and 183.0 MB in the end (delta: -52.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 440 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 16 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 67 PlacesBefore, 22 PlacesAfterwards, 63 TransitionsBefore, 16 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 7 FixpointIterations, 15 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 67 TotalNumberOfCompositions, 1732 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 79 SDtfs, 21 SDslu, 63 SDs, 0 SdLazy, 38 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...