/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-ext/19_time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-15 13:59:02,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-15 13:59:02,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-15 13:59:02,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-15 13:59:02,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-15 13:59:02,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-15 13:59:02,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-15 13:59:02,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-15 13:59:02,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-15 13:59:02,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-15 13:59:02,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-15 13:59:02,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-15 13:59:02,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-15 13:59:02,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-15 13:59:02,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-15 13:59:02,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-15 13:59:02,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-15 13:59:02,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-15 13:59:02,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-15 13:59:02,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-15 13:59:02,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-15 13:59:02,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-15 13:59:02,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-15 13:59:02,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-15 13:59:02,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-15 13:59:02,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-15 13:59:02,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-15 13:59:02,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-15 13:59:02,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-09-15 13:59:02,639 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-15 13:59:02,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-15 13:59:02,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-15 13:59:02,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-15 13:59:02,641 INFO L138 SettingsManager]: * Use SBE=true [2020-09-15 13:59:02,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-15 13:59:02,642 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-15 13:59:02,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-15 13:59:02,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-15 13:59:02,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-15 13:59:02,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-15 13:59:02,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-15 13:59:02,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-15 13:59:02,643 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-15 13:59:02,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-15 13:59:02,643 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-15 13:59:02,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-15 13:59:02,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-15 13:59:02,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-15 13:59:02,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-15 13:59:02,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-15 13:59:02,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 13:59:02,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-15 13:59:02,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-15 13:59:02,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-15 13:59:02,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-15 13:59:02,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-15 13:59:02,646 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-09-15 13:59:02,646 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-15 13:59:02,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-15 13:59:02,647 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-09-15 13:59:03,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-15 13:59:03,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-15 13:59:03,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-15 13:59:03,180 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-15 13:59:03,181 INFO L275 PluginConnector]: CDTParser initialized [2020-09-15 13:59:03,184 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/19_time_var_mutex.i [2020-09-15 13:59:03,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7fb77560b/e4f13338c170465f9bcc71b37492e6ce/FLAGb0ad4d276 [2020-09-15 13:59:03,949 INFO L306 CDTParser]: Found 1 translation units. [2020-09-15 13:59:03,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/19_time_var_mutex.i [2020-09-15 13:59:03,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7fb77560b/e4f13338c170465f9bcc71b37492e6ce/FLAGb0ad4d276 [2020-09-15 13:59:04,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7fb77560b/e4f13338c170465f9bcc71b37492e6ce [2020-09-15 13:59:04,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-15 13:59:04,233 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-15 13:59:04,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-15 13:59:04,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-15 13:59:04,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-15 13:59:04,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:59:04" (1/1) ... [2020-09-15 13:59:04,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148d86a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:04, skipping insertion in model container [2020-09-15 13:59:04,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:59:04" (1/1) ... [2020-09-15 13:59:04,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-15 13:59:04,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-15 13:59:04,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:59:04,900 INFO L203 MainTranslator]: Completed pre-run [2020-09-15 13:59:04,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:59:05,043 INFO L208 MainTranslator]: Completed translation [2020-09-15 13:59:05,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05 WrapperNode [2020-09-15 13:59:05,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-15 13:59:05,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-15 13:59:05,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-15 13:59:05,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-15 13:59:05,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05" (1/1) ... [2020-09-15 13:59:05,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05" (1/1) ... [2020-09-15 13:59:05,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-15 13:59:05,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-15 13:59:05,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-15 13:59:05,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-15 13:59:05,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05" (1/1) ... [2020-09-15 13:59:05,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05" (1/1) ... [2020-09-15 13:59:05,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05" (1/1) ... [2020-09-15 13:59:05,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05" (1/1) ... [2020-09-15 13:59:05,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05" (1/1) ... [2020-09-15 13:59:05,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05" (1/1) ... [2020-09-15 13:59:05,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05" (1/1) ... [2020-09-15 13:59:05,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-15 13:59:05,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-15 13:59:05,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-15 13:59:05,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-15 13:59:05,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-15 13:59:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-15 13:59:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-09-15 13:59:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-09-15 13:59:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-15 13:59:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-15 13:59:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-15 13:59:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-15 13:59:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-15 13:59:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-15 13:59:05,244 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-15 13:59:06,257 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-15 13:59:06,257 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-15 13:59:06,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:59:06 BoogieIcfgContainer [2020-09-15 13:59:06,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-15 13:59:06,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-15 13:59:06,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-15 13:59:06,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-15 13:59:06,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 01:59:04" (1/3) ... [2020-09-15 13:59:06,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7c1ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:59:06, skipping insertion in model container [2020-09-15 13:59:06,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:59:05" (2/3) ... [2020-09-15 13:59:06,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7c1ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:59:06, skipping insertion in model container [2020-09-15 13:59:06,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:59:06" (3/3) ... [2020-09-15 13:59:06,273 INFO L109 eAbstractionObserver]: Analyzing ICFG 19_time_var_mutex.i [2020-09-15 13:59:06,284 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-15 13:59:06,285 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-15 13:59:06,295 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-09-15 13:59:06,296 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-15 13:59:06,322 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,323 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,324 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,324 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,324 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,324 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,324 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,326 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,326 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,326 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,326 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:59:06,365 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-15 13:59:06,394 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:59:06,394 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:59:06,394 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:59:06,395 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-09-15 13:59:06,395 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:59:06,395 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:59:06,395 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:59:06,395 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:59:06,413 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 54 transitions, 113 flow [2020-09-15 13:59:06,416 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 54 places, 54 transitions, 113 flow [2020-09-15 13:59:06,456 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2020-09-15 13:59:06,456 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-15 13:59:06,462 INFO L80 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 53 events. 4/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 62 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 38. Up to 3 conditions per place. [2020-09-15 13:59:06,464 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 54 places, 54 transitions, 113 flow [2020-09-15 13:59:06,478 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2020-09-15 13:59:06,479 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-15 13:59:06,480 INFO L80 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 53 events. 4/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 62 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 38. Up to 3 conditions per place. [2020-09-15 13:59:06,481 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 704 [2020-09-15 13:59:06,483 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:59:07,803 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-09-15 13:59:07,893 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2154 [2020-09-15 13:59:07,893 INFO L214 etLargeBlockEncoding]: Total number of compositions: 36 [2020-09-15 13:59:07,898 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 22 transitions, 49 flow [2020-09-15 13:59:07,913 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 82 states. [2020-09-15 13:59:07,916 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-09-15 13:59:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-15 13:59:07,925 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:59:07,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-15 13:59:07,927 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:59:07,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:59:07,935 INFO L82 PathProgramCache]: Analyzing trace with hash 429266084, now seen corresponding path program 1 times [2020-09-15 13:59:07,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:59:07,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209369505] [2020-09-15 13:59:07,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:59:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:59:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:59:08,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209369505] [2020-09-15 13:59:08,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:59:08,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:59:08,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1343839017] [2020-09-15 13:59:08,178 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-15 13:59:08,184 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-15 13:59:08,202 INFO L274 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-09-15 13:59:08,202 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-15 13:59:08,206 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-15 13:59:08,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:59:08,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:59:08,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:59:08,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:59:08,226 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 3 states. [2020-09-15 13:59:08,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:59:08,247 INFO L93 Difference]: Finished difference Result 82 states and 154 transitions. [2020-09-15 13:59:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:59:08,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-09-15 13:59:08,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:59:08,263 INFO L225 Difference]: With dead ends: 82 [2020-09-15 13:59:08,264 INFO L226 Difference]: Without dead ends: 73 [2020-09-15 13:59:08,265 INFO L675 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 [2020-09-15 13:59:08,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-09-15 13:59:08,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-09-15 13:59:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-09-15 13:59:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 133 transitions. [2020-09-15 13:59:08,322 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 133 transitions. Word has length 5 [2020-09-15 13:59:08,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:59:08,323 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 133 transitions. [2020-09-15 13:59:08,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:59:08,323 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 133 transitions. [2020-09-15 13:59:08,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-15 13:59:08,324 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:59:08,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-09-15 13:59:08,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-15 13:59:08,325 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:59:08,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:59:08,326 INFO L82 PathProgramCache]: Analyzing trace with hash 422942901, now seen corresponding path program 1 times [2020-09-15 13:59:08,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:59:08,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825026224] [2020-09-15 13:59:08,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:59:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:59:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:59:08,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825026224] [2020-09-15 13:59:08,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:59:08,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:59:08,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [568202911] [2020-09-15 13:59:08,396 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-15 13:59:08,397 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-15 13:59:08,400 INFO L274 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-09-15 13:59:08,400 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-15 13:59:08,400 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-15 13:59:08,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:59:08,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:59:08,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:59:08,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:59:08,404 INFO L87 Difference]: Start difference. First operand 73 states and 133 transitions. Second operand 3 states. [2020-09-15 13:59:08,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:59:08,443 INFO L93 Difference]: Finished difference Result 79 states and 135 transitions. [2020-09-15 13:59:08,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:59:08,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-09-15 13:59:08,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:59:08,446 INFO L225 Difference]: With dead ends: 79 [2020-09-15 13:59:08,447 INFO L226 Difference]: Without dead ends: 67 [2020-09-15 13:59:08,448 INFO L675 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 [2020-09-15 13:59:08,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-09-15 13:59:08,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2020-09-15 13:59:08,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-09-15 13:59:08,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 108 transitions. [2020-09-15 13:59:08,469 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 108 transitions. Word has length 6 [2020-09-15 13:59:08,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:59:08,469 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 108 transitions. [2020-09-15 13:59:08,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:59:08,470 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2020-09-15 13:59:08,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-15 13:59:08,476 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:59:08,476 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:59:08,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-15 13:59:08,477 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:59:08,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:59:08,477 INFO L82 PathProgramCache]: Analyzing trace with hash -2140784243, now seen corresponding path program 1 times [2020-09-15 13:59:08,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:59:08,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067258420] [2020-09-15 13:59:08,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:59:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:59:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:59:08,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067258420] [2020-09-15 13:59:08,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:59:08,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:59:08,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1134939591] [2020-09-15 13:59:08,551 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-15 13:59:08,552 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-15 13:59:08,553 INFO L274 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-09-15 13:59:08,554 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-15 13:59:08,554 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-15 13:59:08,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:59:08,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:59:08,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:59:08,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:59:08,555 INFO L87 Difference]: Start difference. First operand 61 states and 108 transitions. Second operand 3 states. [2020-09-15 13:59:08,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:59:08,575 INFO L93 Difference]: Finished difference Result 57 states and 95 transitions. [2020-09-15 13:59:08,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:59:08,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-09-15 13:59:08,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:59:08,576 INFO L225 Difference]: With dead ends: 57 [2020-09-15 13:59:08,576 INFO L226 Difference]: Without dead ends: 39 [2020-09-15 13:59:08,577 INFO L675 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 [2020-09-15 13:59:08,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-09-15 13:59:08,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-09-15 13:59:08,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-15 13:59:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 57 transitions. [2020-09-15 13:59:08,582 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 57 transitions. Word has length 8 [2020-09-15 13:59:08,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:59:08,583 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 57 transitions. [2020-09-15 13:59:08,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:59:08,583 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2020-09-15 13:59:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-15 13:59:08,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:59:08,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:59:08,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-15 13:59:08,584 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:59:08,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:59:08,585 INFO L82 PathProgramCache]: Analyzing trace with hash 253860032, now seen corresponding path program 1 times [2020-09-15 13:59:08,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:59:08,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427612143] [2020-09-15 13:59:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:59:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:59:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:59:08,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427612143] [2020-09-15 13:59:08,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:59:08,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:59:08,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [64673139] [2020-09-15 13:59:08,744 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-15 13:59:08,746 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-15 13:59:08,748 INFO L274 McrAutomatonBuilder]: Finished intersection with 19 states and 24 transitions. [2020-09-15 13:59:08,749 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-15 13:59:08,775 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-15 13:59:08,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-15 13:59:08,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:59:08,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-15 13:59:08,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-15 13:59:08,777 INFO L87 Difference]: Start difference. First operand 39 states and 57 transitions. Second operand 6 states. [2020-09-15 13:59:08,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:59:08,891 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2020-09-15 13:59:08,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:59:08,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-09-15 13:59:08,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:59:08,895 INFO L225 Difference]: With dead ends: 33 [2020-09-15 13:59:08,895 INFO L226 Difference]: Without dead ends: 27 [2020-09-15 13:59:08,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-15 13:59:08,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-09-15 13:59:08,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-09-15 13:59:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-09-15 13:59:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2020-09-15 13:59:08,904 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 11 [2020-09-15 13:59:08,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:59:08,904 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2020-09-15 13:59:08,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-15 13:59:08,907 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2020-09-15 13:59:08,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-15 13:59:08,908 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:59:08,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:59:08,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-15 13:59:08,908 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:59:08,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:59:08,909 INFO L82 PathProgramCache]: Analyzing trace with hash -133203992, now seen corresponding path program 1 times [2020-09-15 13:59:08,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:59:08,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310356398] [2020-09-15 13:59:08,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:59:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:59:08,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:59:08,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310356398] [2020-09-15 13:59:08,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:59:08,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:59:08,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [979405766] [2020-09-15 13:59:08,999 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-15 13:59:09,000 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-15 13:59:09,001 INFO L274 McrAutomatonBuilder]: Finished intersection with 15 states and 16 transitions. [2020-09-15 13:59:09,002 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-15 13:59:09,008 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-15 13:59:09,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:59:09,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:59:09,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:59:09,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:59:09,010 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand 3 states. [2020-09-15 13:59:09,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:59:09,015 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2020-09-15 13:59:09,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:59:09,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-09-15 13:59:09,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:59:09,016 INFO L225 Difference]: With dead ends: 10 [2020-09-15 13:59:09,016 INFO L226 Difference]: Without dead ends: 0 [2020-09-15 13:59:09,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:59:09,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-15 13:59:09,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-15 13:59:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-15 13:59:09,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-15 13:59:09,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-09-15 13:59:09,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:59:09,018 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-15 13:59:09,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:59:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-15 13:59:09,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-15 13:59:09,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-15 13:59:09,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 01:59:09 BasicIcfg [2020-09-15 13:59:09,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-15 13:59:09,026 INFO L168 Benchmark]: Toolchain (without parser) took 4800.77 ms. Allocated memory was 136.8 MB in the beginning and 256.4 MB in the end (delta: 119.5 MB). Free memory was 99.0 MB in the beginning and 204.1 MB in the end (delta: -105.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-09-15 13:59:09,027 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-15 13:59:09,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.66 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 98.3 MB in the beginning and 160.0 MB in the end (delta: -61.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-09-15 13:59:09,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.88 ms. Allocated memory is still 200.3 MB. Free memory was 159.3 MB in the beginning and 157.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-09-15 13:59:09,030 INFO L168 Benchmark]: Boogie Preprocessor took 38.14 ms. Allocated memory is still 200.3 MB. Free memory was 157.2 MB in the beginning and 155.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-15 13:59:09,031 INFO L168 Benchmark]: RCFGBuilder took 1117.53 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 155.8 MB in the beginning and 184.7 MB in the end (delta: -28.9 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-09-15 13:59:09,032 INFO L168 Benchmark]: TraceAbstraction took 2759.91 ms. Allocated memory was 228.1 MB in the beginning and 256.4 MB in the end (delta: 28.3 MB). Free memory was 184.7 MB in the beginning and 204.1 MB in the end (delta: -19.4 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2020-09-15 13:59:09,037 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 808.66 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 98.3 MB in the beginning and 160.0 MB in the end (delta: -61.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.88 ms. Allocated memory is still 200.3 MB. Free memory was 159.3 MB in the beginning and 157.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.14 ms. Allocated memory is still 200.3 MB. Free memory was 157.2 MB in the beginning and 155.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1117.53 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 155.8 MB in the beginning and 184.7 MB in the end (delta: -28.9 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2759.91 ms. Allocated memory was 228.1 MB in the beginning and 256.4 MB in the end (delta: 28.3 MB). Free memory was 184.7 MB in the beginning and 204.1 MB in the end (delta: -19.4 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 54 ProgramPointsBefore, 23 ProgramPointsAfterwards, 54 TransitionsBefore, 22 TransitionsAfterwards, 704 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 367 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2154 CheckedPairsTotal, 36 TotalNumberOfCompositions - PositiveResult [Line: 702]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 711]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 77 SDtfs, 65 SDslu, 38 SDs, 0 SdLazy, 43 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 888 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...