/usr/bin/java -Xmx16000000000 -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/concurrent/pthreads/forkJoinNotMod.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 16:11:03,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 16:11:03,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 16:11:03,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 16:11:03,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 16:11:03,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 16:11:03,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 16:11:03,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 16:11:03,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 16:11:03,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 16:11:03,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 16:11:03,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 16:11:03,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 16:11:03,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 16:11:03,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 16:11:03,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 16:11:03,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 16:11:03,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 16:11:03,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 16:11:03,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 16:11:03,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 16:11:03,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 16:11:03,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 16:11:03,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 16:11:03,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 16:11:03,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 16:11:03,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 16:11:03,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 16:11:03,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 16:11:03,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 16:11:03,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 16:11:03,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 16:11:03,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 16:11:03,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 16:11:03,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 16:11:03,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 16:11:03,400 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 [2020-10-11 16:11:03,422 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 16:11:03,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 16:11:03,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 16:11:03,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 16:11:03,424 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 16:11:03,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 16:11:03,424 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 16:11:03,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 16:11:03,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 16:11:03,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 16:11:03,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 16:11:03,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 16:11:03,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 16:11:03,426 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 16:11:03,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 16:11:03,426 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 16:11:03,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 16:11:03,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 16:11:03,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 16:11:03,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 16:11:03,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 16:11:03,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 16:11:03,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 16:11:03,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 16:11:03,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 16:11:03,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 16:11:03,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 16:11:03,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 16:11:03,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 16:11:03,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 16:11:03,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 16:11:03,731 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 16:11:03,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 16:11:03,736 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 16:11:03,736 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 16:11:03,737 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-10-11 16:11:03,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da7265c6/51c06a75102b43aeb2ab5ff307380a5d/FLAG935cff659 [2020-10-11 16:11:04,234 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 16:11:04,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-10-11 16:11:04,235 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-11 16:11:04,235 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-11 16:11:04,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da7265c6/51c06a75102b43aeb2ab5ff307380a5d/FLAG935cff659 [2020-10-11 16:11:04,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da7265c6/51c06a75102b43aeb2ab5ff307380a5d [2020-10-11 16:11:04,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 16:11:04,653 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 16:11:04,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 16:11:04,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 16:11:04,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 16:11:04,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:11:04" (1/1) ... [2020-10-11 16:11:04,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1f7eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04, skipping insertion in model container [2020-10-11 16:11:04,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:11:04" (1/1) ... [2020-10-11 16:11:04,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 16:11:04,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 16:11:04,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:11:04,865 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 16:11:04,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:11:04,977 INFO L208 MainTranslator]: Completed translation [2020-10-11 16:11:04,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04 WrapperNode [2020-10-11 16:11:04,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 16:11:04,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 16:11:04,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 16:11:04,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 16:11:04,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04" (1/1) ... [2020-10-11 16:11:04,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04" (1/1) ... [2020-10-11 16:11:05,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 16:11:05,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 16:11:05,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 16:11:05,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 16:11:05,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04" (1/1) ... [2020-10-11 16:11:05,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04" (1/1) ... [2020-10-11 16:11:05,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04" (1/1) ... [2020-10-11 16:11:05,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04" (1/1) ... [2020-10-11 16:11:05,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04" (1/1) ... [2020-10-11 16:11:05,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04" (1/1) ... [2020-10-11 16:11:05,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04" (1/1) ... [2020-10-11 16:11:05,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 16:11:05,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 16:11:05,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 16:11:05,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 16:11:05,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 16:11:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 16:11:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-11 16:11:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-11 16:11:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2020-10-11 16:11:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2020-10-11 16:11:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 16:11:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 16:11:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 16:11:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 16:11:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-11 16:11:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 16:11:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 16:11:05,108 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 16:11:05,544 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 16:11:05,545 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-11 16:11:05,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:11:05 BoogieIcfgContainer [2020-10-11 16:11:05,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 16:11:05,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 16:11:05,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 16:11:05,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 16:11:05,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:11:04" (1/3) ... [2020-10-11 16:11:05,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342bd729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:11:05, skipping insertion in model container [2020-10-11 16:11:05,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:11:04" (2/3) ... [2020-10-11 16:11:05,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342bd729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:11:05, skipping insertion in model container [2020-10-11 16:11:05,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:11:05" (3/3) ... [2020-10-11 16:11:05,556 INFO L111 eAbstractionObserver]: Analyzing ICFG forkJoinNotMod.c [2020-10-11 16:11:05,567 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 16:11:05,567 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 16:11:05,575 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-11 16:11:05,575 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 16:11:05,608 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,608 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,608 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,609 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,609 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,609 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,609 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,610 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,610 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,610 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,610 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,610 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,611 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,611 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,611 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,611 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,611 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,612 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,612 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,612 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,612 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,613 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,613 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,613 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,613 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,614 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,614 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,614 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,614 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,615 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,615 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,615 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,615 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,616 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,616 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,616 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,616 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,616 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,616 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,617 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,617 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,617 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,617 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,618 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,618 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,618 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,618 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,619 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,619 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,619 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,619 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,619 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,620 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,620 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,620 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,620 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,620 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,620 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,621 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,621 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,621 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,621 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,622 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,622 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,622 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,622 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,622 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,623 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,623 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,623 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,627 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,627 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,627 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,628 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,628 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,628 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,628 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,628 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,629 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,629 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,629 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,629 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,629 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,630 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,630 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,630 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,630 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,630 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,631 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,631 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,631 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,631 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,631 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:11:05,657 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 16:11:05,679 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 16:11:05,679 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 16:11:05,679 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 16:11:05,680 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 16:11:05,680 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 16:11:05,680 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 16:11:05,680 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 16:11:05,680 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 16:11:05,696 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 16:11:05,698 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 75 transitions, 158 flow [2020-10-11 16:11:05,701 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 75 transitions, 158 flow [2020-10-11 16:11:05,703 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2020-10-11 16:11:05,752 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2020-10-11 16:11:05,752 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-11 16:11:05,755 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 0/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-11 16:11:05,758 INFO L117 LiptonReduction]: Number of co-enabled transitions 496 [2020-10-11 16:11:07,289 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-10-11 16:11:07,674 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2020-10-11 16:11:07,823 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-11 16:11:08,050 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-11 16:11:08,122 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 16:11:08,131 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-11 16:11:08,199 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 16:11:08,201 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-11 16:11:08,201 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:125, output treesize:127 [2020-10-11 16:11:08,532 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-11 16:11:08,734 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-11 16:11:09,868 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2020-10-11 16:11:10,355 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-11 16:11:10,373 INFO L132 LiptonReduction]: Checked pairs total: 581 [2020-10-11 16:11:10,373 INFO L134 LiptonReduction]: Total number of compositions: 69 [2020-10-11 16:11:10,380 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 13 transitions, 34 flow [2020-10-11 16:11:10,389 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-10-11 16:11:10,391 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-10-11 16:11:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-11 16:11:10,396 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:11:10,396 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-11 16:11:10,397 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:11:10,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:11:10,402 INFO L82 PathProgramCache]: Analyzing trace with hash 277840, now seen corresponding path program 1 times [2020-10-11 16:11:10,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:11:10,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907738633] [2020-10-11 16:11:10,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:11:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:11:10,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:11:10,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907738633] [2020-10-11 16:11:10,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:11:10,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-11 16:11:10,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788731393] [2020-10-11 16:11:10,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 16:11:10,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:11:10,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 16:11:10,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:11:10,596 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-10-11 16:11:10,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:11:10,619 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2020-10-11 16:11:10,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 16:11:10,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-11 16:11:10,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:11:10,630 INFO L225 Difference]: With dead ends: 17 [2020-10-11 16:11:10,631 INFO L226 Difference]: Without dead ends: 16 [2020-10-11 16:11:10,632 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:11:10,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-11 16:11:10,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-11 16:11:10,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-11 16:11:10,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2020-10-11 16:11:10,667 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 21 transitions. Word has length 3 [2020-10-11 16:11:10,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:11:10,667 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-10-11 16:11:10,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 16:11:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2020-10-11 16:11:10,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-11 16:11:10,668 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:11:10,668 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-11 16:11:10,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 16:11:10,669 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:11:10,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:11:10,669 INFO L82 PathProgramCache]: Analyzing trace with hash 277825, now seen corresponding path program 1 times [2020-10-11 16:11:10,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:11:10,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120463555] [2020-10-11 16:11:10,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:11:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:11:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:11:10,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120463555] [2020-10-11 16:11:10,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:11:10,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-11 16:11:10,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563571247] [2020-10-11 16:11:10,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 16:11:10,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:11:10,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 16:11:10,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:11:10,785 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand 3 states. [2020-10-11 16:11:10,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:11:10,813 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2020-10-11 16:11:10,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 16:11:10,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-11 16:11:10,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:11:10,814 INFO L225 Difference]: With dead ends: 20 [2020-10-11 16:11:10,814 INFO L226 Difference]: Without dead ends: 17 [2020-10-11 16:11:10,815 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:11:10,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-10-11 16:11:10,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2020-10-11 16:11:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-11 16:11:10,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2020-10-11 16:11:10,820 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 3 [2020-10-11 16:11:10,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:11:10,820 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2020-10-11 16:11:10,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 16:11:10,821 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2020-10-11 16:11:10,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-11 16:11:10,821 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:11:10,821 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-11 16:11:10,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 16:11:10,822 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:11:10,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:11:10,822 INFO L82 PathProgramCache]: Analyzing trace with hash 8613291, now seen corresponding path program 1 times [2020-10-11 16:11:10,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:11:10,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819594886] [2020-10-11 16:11:10,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:11:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:11:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:11:10,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819594886] [2020-10-11 16:11:10,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:11:10,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 16:11:10,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604389777] [2020-10-11 16:11:10,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 16:11:10,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:11:10,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 16:11:10,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-11 16:11:10,926 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 4 states. [2020-10-11 16:11:10,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:11:10,953 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-10-11 16:11:10,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 16:11:10,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-10-11 16:11:10,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:11:10,955 INFO L225 Difference]: With dead ends: 14 [2020-10-11 16:11:10,955 INFO L226 Difference]: Without dead ends: 14 [2020-10-11 16:11:10,955 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-11 16:11:10,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-11 16:11:10,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-11 16:11:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-11 16:11:10,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2020-10-11 16:11:10,958 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 4 [2020-10-11 16:11:10,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:11:10,959 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-10-11 16:11:10,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 16:11:10,959 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-10-11 16:11:10,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-11 16:11:10,960 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:11:10,960 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-11 16:11:10,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 16:11:10,960 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:11:10,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:11:10,961 INFO L82 PathProgramCache]: Analyzing trace with hash 267013202, now seen corresponding path program 1 times [2020-10-11 16:11:10,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:11:10,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387154011] [2020-10-11 16:11:10,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:11:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 16:11:11,000 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 16:11:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 16:11:11,027 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 16:11:11,053 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 16:11:11,053 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 16:11:11,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 16:11:11,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 04:11:11 BasicIcfg [2020-10-11 16:11:11,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 16:11:11,096 INFO L168 Benchmark]: Toolchain (without parser) took 6442.59 ms. Allocated memory was 248.5 MB in the beginning and 427.8 MB in the end (delta: 179.3 MB). Free memory was 203.0 MB in the beginning and 380.1 MB in the end (delta: -177.1 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.2 GB. [2020-10-11 16:11:11,096 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 16:11:11,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.22 ms. Allocated memory was 248.5 MB in the beginning and 305.7 MB in the end (delta: 57.1 MB). Free memory was 203.0 MB in the beginning and 280.7 MB in the end (delta: -77.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 14.2 GB. [2020-10-11 16:11:11,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.68 ms. Allocated memory is still 305.7 MB. Free memory was 280.7 MB in the beginning and 277.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.2 GB. [2020-10-11 16:11:11,099 INFO L168 Benchmark]: Boogie Preprocessor took 25.76 ms. Allocated memory is still 305.7 MB. Free memory is still 277.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 16:11:11,099 INFO L168 Benchmark]: RCFGBuilder took 505.35 ms. Allocated memory is still 305.7 MB. Free memory was 277.0 MB in the beginning and 252.0 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 14.2 GB. [2020-10-11 16:11:11,100 INFO L168 Benchmark]: TraceAbstraction took 5545.27 ms. Allocated memory was 305.7 MB in the beginning and 427.8 MB in the end (delta: 122.2 MB). Free memory was 252.0 MB in the beginning and 380.1 MB in the end (delta: -128.1 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 16:11:11,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 324.22 ms. Allocated memory was 248.5 MB in the beginning and 305.7 MB in the end (delta: 57.1 MB). Free memory was 203.0 MB in the beginning and 280.7 MB in the end (delta: -77.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 36.68 ms. Allocated memory is still 305.7 MB. Free memory was 280.7 MB in the beginning and 277.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 25.76 ms. Allocated memory is still 305.7 MB. Free memory is still 277.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 505.35 ms. Allocated memory is still 305.7 MB. Free memory was 277.0 MB in the beginning and 252.0 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 5545.27 ms. Allocated memory was 305.7 MB in the beginning and 427.8 MB in the end (delta: 122.2 MB). Free memory was 252.0 MB in the beginning and 380.1 MB in the end (delta: -128.1 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 313 VarBasedMoverChecksPositive, 20 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 20 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.6s, 79 PlacesBefore, 17 PlacesAfterwards, 75 TransitionsBefore, 13 TransitionsAfterwards, 496 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 69 TotalNumberOfCompositions, 581 MoverChecksTotal - CounterExampleResult [Line: 33]: assertion can be violated assertion can be violated We found a FailurePath: [L14] 0 int globVar; [L27] 0 int locVar = 7; [L28] 0 globVar = 0 [L30] 0 pthread_t thread_id; [L32] FCALL, FORK 0 pthread_create(&thread_id, NULL, increment, &globVar) VAL [globVar={6:0}, n={6:0}] [L18] 1 int *result = (int *)n; [L18] EXPR 1 \read(*n) [L18] 1 int *result = (int *)n; [L19] EXPR 1 \read(*result) [L19] 1 (*result)++ [L20] 1 \read(*result) [L21] 1 \read(*result) [L23] EXPR 1 \read(*result) [L23] 1 return (void *)result; [L23] 1 return (void *)result; [L18] 1 int *result = (int *)n; [L23] 1 return (void *)result; [L33] FCALL 0 IdentifierExpression[globVar] [L33] 0 CodeAnnotStmt[Assertion] VAL [\result={6:0}, globVar={6:0}, n={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: 17 SDtfs, 14 SDslu, 3 SDs, 0 SdLazy, 26 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...