/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 11:52:51,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 11:52:51,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 11:52:51,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 11:52:51,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 11:52:51,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 11:52:51,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 11:52:51,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 11:52:51,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 11:52:51,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 11:52:51,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 11:52:51,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 11:52:51,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 11:52:51,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 11:52:51,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 11:52:51,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 11:52:51,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 11:52:51,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 11:52:51,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 11:52:51,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 11:52:51,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 11:52:51,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 11:52:51,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 11:52:51,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 11:52:51,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 11:52:51,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 11:52:51,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 11:52:51,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 11:52:51,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 11:52:51,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 11:52:51,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 11:52:51,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 11:52:51,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 11:52:51,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 11:52:51,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 11:52:51,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 11:52:51,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 11:52:51,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 11:52:51,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 11:52:51,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 11:52:51,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 11:52:51,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-18 11:52:51,710 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 11:52:51,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 11:52:51,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 11:52:51,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 11:52:51,711 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 11:52:51,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 11:52:51,712 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 11:52:51,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 11:52:51,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 11:52:51,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 11:52:51,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 11:52:51,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 11:52:51,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 11:52:51,713 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 11:52:51,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 11:52:51,714 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 11:52:51,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 11:52:51,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 11:52:51,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 11:52:51,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 11:52:51,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 11:52:51,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 11:52:51,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 11:52:51,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 11:52:51,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 11:52:51,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 11:52:51,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 11:52:51,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 11:52:51,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 11:52:51,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 11:52:51,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 11:52:51,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 11:52:52,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 11:52:52,005 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 11:52:52,006 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 11:52:52,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2019-12-18 11:52:52,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/982040896/98c668147a634515864332b195269c93/FLAG09f005809 [2019-12-18 11:52:52,717 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 11:52:52,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2019-12-18 11:52:52,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/982040896/98c668147a634515864332b195269c93/FLAG09f005809 [2019-12-18 11:52:52,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/982040896/98c668147a634515864332b195269c93 [2019-12-18 11:52:52,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 11:52:52,941 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 11:52:52,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 11:52:52,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 11:52:52,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 11:52:52,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:52:52" (1/1) ... [2019-12-18 11:52:52,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a57a9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:52, skipping insertion in model container [2019-12-18 11:52:52,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:52:52" (1/1) ... [2019-12-18 11:52:52,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 11:52:53,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 11:52:53,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 11:52:53,524 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 11:52:53,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 11:52:53,670 INFO L208 MainTranslator]: Completed translation [2019-12-18 11:52:53,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53 WrapperNode [2019-12-18 11:52:53,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 11:52:53,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 11:52:53,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 11:52:53,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 11:52:53,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53" (1/1) ... [2019-12-18 11:52:53,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53" (1/1) ... [2019-12-18 11:52:53,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 11:52:53,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 11:52:53,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 11:52:53,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 11:52:53,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53" (1/1) ... [2019-12-18 11:52:53,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53" (1/1) ... [2019-12-18 11:52:53,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53" (1/1) ... [2019-12-18 11:52:53,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53" (1/1) ... [2019-12-18 11:52:53,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53" (1/1) ... [2019-12-18 11:52:53,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53" (1/1) ... [2019-12-18 11:52:53,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53" (1/1) ... [2019-12-18 11:52:53,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 11:52:53,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 11:52:53,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 11:52:53,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 11:52:53,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 11:52:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-18 11:52:53,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-18 11:52:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 11:52:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 11:52:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 11:52:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 11:52:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 11:52:53,805 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 11:52:53,932 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_w_returnLabel [2019-12-18 11:52:53,991 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_r_returnLabel [2019-12-18 11:52:54,091 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 11:52:54,091 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 11:52:54,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:52:54 BoogieIcfgContainer [2019-12-18 11:52:54,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 11:52:54,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 11:52:54,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 11:52:54,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 11:52:54,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:52:52" (1/3) ... [2019-12-18 11:52:54,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61475fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:52:54, skipping insertion in model container [2019-12-18 11:52:54,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:52:53" (2/3) ... [2019-12-18 11:52:54,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61475fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:52:54, skipping insertion in model container [2019-12-18 11:52:54,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:52:54" (3/3) ... [2019-12-18 11:52:54,110 INFO L109 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2019-12-18 11:52:54,118 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 11:52:54,118 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 11:52:54,125 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 11:52:54,126 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 11:52:54,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:52:54,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:52:54,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:52:54,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:52:54,151 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:52:54,151 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:52:54,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:52:54,157 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:52:54,158 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:52:54,158 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:52:54,176 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-18 11:52:54,192 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 11:52:54,193 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 11:52:54,193 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 11:52:54,193 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 11:52:54,193 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 11:52:54,193 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 11:52:54,193 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 11:52:54,193 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 11:52:54,204 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 37 transitions [2019-12-18 11:52:54,206 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 40 places, 37 transitions [2019-12-18 11:52:54,235 INFO L126 PetriNetUnfolder]: 1/36 cut-off events. [2019-12-18 11:52:54,240 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:52:54,246 INFO L76 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 36 events. 1/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 14 event pairs. 3/37 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2019-12-18 11:52:54,249 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 40 places, 37 transitions [2019-12-18 11:52:54,272 INFO L126 PetriNetUnfolder]: 1/36 cut-off events. [2019-12-18 11:52:54,272 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:52:54,273 INFO L76 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 36 events. 1/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 14 event pairs. 3/37 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2019-12-18 11:52:54,274 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 190 [2019-12-18 11:52:54,275 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 11:52:55,191 INFO L206 etLargeBlockEncoding]: Checked pairs total: 397 [2019-12-18 11:52:55,191 INFO L214 etLargeBlockEncoding]: Total number of compositions: 27 [2019-12-18 11:52:55,195 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions [2019-12-18 11:52:55,203 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 20 states. [2019-12-18 11:52:55,205 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-12-18 11:52:55,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-18 11:52:55,211 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:52:55,212 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-18 11:52:55,212 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 11:52:55,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:52:55,217 INFO L82 PathProgramCache]: Analyzing trace with hash 136577883, now seen corresponding path program 1 times [2019-12-18 11:52:55,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:52:55,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213920768] [2019-12-18 11:52:55,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:52:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 11:52:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 11:52:55,385 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213920768] [2019-12-18 11:52:55,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 11:52:55,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 11:52:55,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859813270] [2019-12-18 11:52:55,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 11:52:55,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 11:52:55,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 11:52:55,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:52:55,406 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2019-12-18 11:52:55,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 11:52:55,444 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2019-12-18 11:52:55,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 11:52:55,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-18 11:52:55,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 11:52:55,455 INFO L225 Difference]: With dead ends: 21 [2019-12-18 11:52:55,456 INFO L226 Difference]: Without dead ends: 10 [2019-12-18 11:52:55,460 INFO L631 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 [2019-12-18 11:52:55,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-12-18 11:52:55,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-12-18 11:52:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-18 11:52:55,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-12-18 11:52:55,503 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 5 [2019-12-18 11:52:55,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 11:52:55,504 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-12-18 11:52:55,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 11:52:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-12-18 11:52:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 11:52:55,505 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:52:55,505 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 11:52:55,505 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 11:52:55,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:52:55,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1916698592, now seen corresponding path program 1 times [2019-12-18 11:52:55,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:52:55,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593422646] [2019-12-18 11:52:55,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:52:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 11:52:55,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 11:52:55,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593422646] [2019-12-18 11:52:55,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 11:52:55,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 11:52:55,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013184834] [2019-12-18 11:52:55,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 11:52:55,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 11:52:55,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 11:52:55,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:52:55,610 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. [2019-12-18 11:52:55,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 11:52:55,616 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-12-18 11:52:55,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 11:52:55,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-18 11:52:55,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 11:52:55,617 INFO L225 Difference]: With dead ends: 10 [2019-12-18 11:52:55,617 INFO L226 Difference]: Without dead ends: 9 [2019-12-18 11:52:55,618 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:52:55,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-12-18 11:52:55,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-12-18 11:52:55,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-18 11:52:55,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-12-18 11:52:55,620 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-12-18 11:52:55,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 11:52:55,621 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-12-18 11:52:55,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 11:52:55,621 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-12-18 11:52:55,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 11:52:55,622 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:52:55,622 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 11:52:55,622 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 11:52:55,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:52:55,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1891674152, now seen corresponding path program 2 times [2019-12-18 11:52:55,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:52:55,623 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955616046] [2019-12-18 11:52:55,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:52:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 11:52:55,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 11:52:55,700 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955616046] [2019-12-18 11:52:55,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 11:52:55,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 11:52:55,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781722860] [2019-12-18 11:52:55,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 11:52:55,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 11:52:55,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 11:52:55,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 11:52:55,703 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-12-18 11:52:55,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 11:52:55,713 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2019-12-18 11:52:55,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 11:52:55,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-18 11:52:55,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 11:52:55,713 INFO L225 Difference]: With dead ends: 5 [2019-12-18 11:52:55,714 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 11:52:55,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 11:52:55,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 11:52:55,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 11:52:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 11:52:55,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 11:52:55,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-12-18 11:52:55,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 11:52:55,716 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 11:52:55,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 11:52:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 11:52:55,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 11:52:55,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 11:52:55 BasicIcfg [2019-12-18 11:52:55,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 11:52:55,727 INFO L168 Benchmark]: Toolchain (without parser) took 2784.17 ms. Allocated memory was 146.3 MB in the beginning and 235.4 MB in the end (delta: 89.1 MB). Free memory was 101.4 MB in the beginning and 125.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 65.0 MB. Max. memory is 7.1 GB. [2019-12-18 11:52:55,728 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-18 11:52:55,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.34 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 163.0 MB in the end (delta: -61.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-12-18 11:52:55,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.66 ms. Allocated memory is still 203.9 MB. Free memory was 163.0 MB in the beginning and 161.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 11:52:55,733 INFO L168 Benchmark]: Boogie Preprocessor took 22.00 ms. Allocated memory is still 203.9 MB. Free memory was 161.0 MB in the beginning and 159.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 11:52:55,735 INFO L168 Benchmark]: RCFGBuilder took 357.90 ms. Allocated memory is still 203.9 MB. Free memory was 159.8 MB in the beginning and 142.4 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-12-18 11:52:55,741 INFO L168 Benchmark]: TraceAbstraction took 1623.85 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 142.4 MB in the beginning and 125.5 MB in the end (delta: 16.9 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2019-12-18 11:52:55,749 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 728.34 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 163.0 MB in the end (delta: -61.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.66 ms. Allocated memory is still 203.9 MB. Free memory was 163.0 MB in the beginning and 161.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.00 ms. Allocated memory is still 203.9 MB. Free memory was 161.0 MB in the beginning and 159.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 357.90 ms. Allocated memory is still 203.9 MB. Free memory was 159.8 MB in the beginning and 142.4 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1623.85 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 142.4 MB in the beginning and 125.5 MB in the end (delta: 16.9 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 40 ProgramPointsBefore, 12 ProgramPointsAfterwards, 37 TransitionsBefore, 10 TransitionsAfterwards, 190 CoEnabledTransitionPairs, 6 FixpointIterations, 10 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 96 VarBasedMoverChecksPositive, 18 VarBasedMoverChecksNegative, 3 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 397 CheckedPairsTotal, 27 TotalNumberOfCompositions - PositiveResult [Line: 695]: 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 2 procedures, 37 locations, 1 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 18 SDtfs, 7 SDslu, 7 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...