/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-507b705 [2020-09-11 16:07:46,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-11 16:07:46,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-11 16:07:46,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-11 16:07:46,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-11 16:07:46,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-11 16:07:46,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-11 16:07:46,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-11 16:07:46,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-11 16:07:46,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-11 16:07:46,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-11 16:07:46,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-11 16:07:46,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-11 16:07:46,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-11 16:07:46,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-11 16:07:46,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-11 16:07:46,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-11 16:07:46,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-11 16:07:46,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-11 16:07:46,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-11 16:07:46,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-11 16:07:46,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-11 16:07:46,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-11 16:07:46,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-11 16:07:46,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-11 16:07:46,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-11 16:07:46,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-11 16:07:46,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-11 16:07:46,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-11 16:07:46,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-11 16:07:46,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-11 16:07:46,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-11 16:07:46,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-11 16:07:46,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-11 16:07:46,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-11 16:07:46,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-11 16:07:46,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-11 16:07:46,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-11 16:07:46,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-11 16:07:46,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-11 16:07:46,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-11 16:07:46,539 INFO L138 SettingsManager]: * Use SBE=true [2020-09-11 16:07:46,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-11 16:07:46,540 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-11 16:07:46,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-11 16:07:46,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-11 16:07:46,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-11 16:07:46,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-11 16:07:46,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-11 16:07:46,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-11 16:07:46,541 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-11 16:07:46,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-11 16:07:46,542 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-11 16:07:46,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-11 16:07:46,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-11 16:07:46,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-11 16:07:46,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-11 16:07:46,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-11 16:07:46,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-11 16:07:46,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-11 16:07:46,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-11 16:07:46,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-11 16:07:46,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-11 16:07:46,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-11 16:07:46,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-11 16:07:46,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-11 16:07:46,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-11 16:07:47,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-11 16:07:47,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-11 16:07:47,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-11 16:07:47,050 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-11 16:07:47,050 INFO L275 PluginConnector]: CDTParser initialized [2020-09-11 16:07:47,052 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-09-11 16:07:47,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8320b11b/f6f068b3b9e045ffadc81a2528a45945/FLAG9bcfd055b [2020-09-11 16:07:47,734 INFO L306 CDTParser]: Found 1 translation units. [2020-09-11 16:07:47,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-09-11 16:07:47,735 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-09-11 16:07:47,735 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-09-11 16:07:47,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8320b11b/f6f068b3b9e045ffadc81a2528a45945/FLAG9bcfd055b [2020-09-11 16:07:48,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8320b11b/f6f068b3b9e045ffadc81a2528a45945 [2020-09-11 16:07:48,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-11 16:07:48,080 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-11 16:07:48,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-11 16:07:48,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-11 16:07:48,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-11 16:07:48,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:07:48" (1/1) ... [2020-09-11 16:07:48,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219250b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48, skipping insertion in model container [2020-09-11 16:07:48,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:07:48" (1/1) ... [2020-09-11 16:07:48,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-11 16:07:48,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-11 16:07:48,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 16:07:48,391 INFO L203 MainTranslator]: Completed pre-run [2020-09-11 16:07:48,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 16:07:48,525 INFO L208 MainTranslator]: Completed translation [2020-09-11 16:07:48,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48 WrapperNode [2020-09-11 16:07:48,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-11 16:07:48,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-11 16:07:48,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-11 16:07:48,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-11 16:07:48,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48" (1/1) ... [2020-09-11 16:07:48,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48" (1/1) ... [2020-09-11 16:07:48,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-11 16:07:48,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-11 16:07:48,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-11 16:07:48,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-11 16:07:48,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48" (1/1) ... [2020-09-11 16:07:48,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48" (1/1) ... [2020-09-11 16:07:48,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48" (1/1) ... [2020-09-11 16:07:48,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48" (1/1) ... [2020-09-11 16:07:48,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48" (1/1) ... [2020-09-11 16:07:48,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48" (1/1) ... [2020-09-11 16:07:48,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48" (1/1) ... [2020-09-11 16:07:48,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-11 16:07:48,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-11 16:07:48,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-11 16:07:48,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-11 16:07:48,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48" (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 [2020-09-11 16:07:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-11 16:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-11 16:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-11 16:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2020-09-11 16:07:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2020-09-11 16:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-11 16:07:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-11 16:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-11 16:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-11 16:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-11 16:07:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-11 16:07:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-11 16:07:48,694 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-11 16:07:49,065 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-11 16:07:49,066 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-11 16:07:49,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:07:49 BoogieIcfgContainer [2020-09-11 16:07:49,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-11 16:07:49,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-11 16:07:49,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-11 16:07:49,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-11 16:07:49,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 04:07:48" (1/3) ... [2020-09-11 16:07:49,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b000b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 04:07:49, skipping insertion in model container [2020-09-11 16:07:49,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:48" (2/3) ... [2020-09-11 16:07:49,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b000b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 04:07:49, skipping insertion in model container [2020-09-11 16:07:49,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:07:49" (3/3) ... [2020-09-11 16:07:49,083 INFO L109 eAbstractionObserver]: Analyzing ICFG forkJoinNotMod.c [2020-09-11 16:07:49,096 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-11 16:07:49,096 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-11 16:07:49,106 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-09-11 16:07:49,107 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-11 16:07:49,150 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,151 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,151 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,151 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,152 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,152 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,152 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,153 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,153 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,153 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,153 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,154 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,154 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,154 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,154 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,155 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,155 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,155 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,155 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,156 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,156 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,156 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,156 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,157 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,157 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,157 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,158 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,158 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,158 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,158 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,159 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,159 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,159 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,160 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,160 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,160 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,160 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,160 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,161 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,161 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,161 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,161 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,162 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,162 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,162 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,162 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,163 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,163 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,163 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,163 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,164 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,164 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,164 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,165 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,165 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,165 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,165 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,165 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,166 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,166 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,166 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,167 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,167 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,167 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,167 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,168 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,168 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,168 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,169 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,169 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,174 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,174 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,174 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,175 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,175 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,175 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,175 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,176 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,176 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,176 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,177 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,177 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,177 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,177 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,178 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,178 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,178 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,178 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,179 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,179 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,179 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,179 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,180 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:49,208 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-11 16:07:49,232 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 16:07:49,233 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 16:07:49,233 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-11 16:07:49,233 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 16:07:49,233 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 16:07:49,233 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 16:07:49,234 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 16:07:49,234 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 16:07:49,256 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 75 transitions, 158 flow [2020-09-11 16:07:49,258 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2020-09-11 16:07:49,315 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2020-09-11 16:07:49,316 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-09-11 16:07:49,319 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. [2020-09-11 16:07:49,323 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2020-09-11 16:07:49,349 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2020-09-11 16:07:49,349 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-09-11 16:07:49,350 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. [2020-09-11 16:07:49,352 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 496 [2020-09-11 16:07:49,353 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-11 16:07:50,988 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-09-11 16:07:51,480 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2020-09-11 16:07:51,634 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-09-11 16:07:51,851 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-11 16:07:51,938 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 16:07:51,946 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-11 16:07:52,023 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 16:07:52,025 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-11 16:07:52,025 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:125, output treesize:127 [2020-09-11 16:07:52,363 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-09-11 16:07:52,554 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-09-11 16:07:53,809 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2020-09-11 16:07:54,302 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-09-11 16:07:54,305 INFO L206 etLargeBlockEncoding]: Checked pairs total: 482 [2020-09-11 16:07:54,305 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2020-09-11 16:07:54,310 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 13 transitions, 34 flow [2020-09-11 16:07:54,319 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-09-11 16:07:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-09-11 16:07:54,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 16:07:54,328 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:54,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 16:07:54,329 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-09-11 16:07:54,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:54,336 INFO L82 PathProgramCache]: Analyzing trace with hash 277840, now seen corresponding path program 1 times [2020-09-11 16:07:54,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:54,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616942609] [2020-09-11 16:07:54,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 16:07:54,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616942609] [2020-09-11 16:07:54,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:07:54,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 16:07:54,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294419737] [2020-09-11 16:07:54,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 16:07:54,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:54,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 16:07:54,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 16:07:54,595 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-09-11 16:07:54,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:54,623 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2020-09-11 16:07:54,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 16:07:54,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 16:07:54,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:54,638 INFO L225 Difference]: With dead ends: 17 [2020-09-11 16:07:54,638 INFO L226 Difference]: Without dead ends: 16 [2020-09-11 16:07:54,640 INFO L675 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 [2020-09-11 16:07:54,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-09-11 16:07:54,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-09-11 16:07:54,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-09-11 16:07:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2020-09-11 16:07:54,684 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 21 transitions. Word has length 3 [2020-09-11 16:07:54,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:54,684 INFO L479 AbstractCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-09-11 16:07:54,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 16:07:54,685 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2020-09-11 16:07:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 16:07:54,685 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:54,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 16:07:54,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-11 16:07:54,686 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-09-11 16:07:54,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:54,686 INFO L82 PathProgramCache]: Analyzing trace with hash 277825, now seen corresponding path program 1 times [2020-09-11 16:07:54,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:54,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87841552] [2020-09-11 16:07:54,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 16:07:54,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87841552] [2020-09-11 16:07:54,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:07:54,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 16:07:54,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018897508] [2020-09-11 16:07:54,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 16:07:54,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:54,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 16:07:54,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 16:07:54,812 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand 3 states. [2020-09-11 16:07:54,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:54,837 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2020-09-11 16:07:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 16:07:54,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 16:07:54,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:54,839 INFO L225 Difference]: With dead ends: 20 [2020-09-11 16:07:54,839 INFO L226 Difference]: Without dead ends: 17 [2020-09-11 16:07:54,841 INFO L675 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 [2020-09-11 16:07:54,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-09-11 16:07:54,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2020-09-11 16:07:54,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-09-11 16:07:54,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2020-09-11 16:07:54,845 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 3 [2020-09-11 16:07:54,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:54,845 INFO L479 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2020-09-11 16:07:54,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 16:07:54,845 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2020-09-11 16:07:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-09-11 16:07:54,846 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:54,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-09-11 16:07:54,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-11 16:07:54,847 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-09-11 16:07:54,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:54,847 INFO L82 PathProgramCache]: Analyzing trace with hash 8613291, now seen corresponding path program 1 times [2020-09-11 16:07:54,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:54,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462800175] [2020-09-11 16:07:54,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:54,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 16:07:54,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462800175] [2020-09-11 16:07:54,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:07:54,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 16:07:54,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583713665] [2020-09-11 16:07:54,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 16:07:54,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:54,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 16:07:54,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-11 16:07:54,955 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 4 states. [2020-09-11 16:07:55,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:55,012 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-09-11 16:07:55,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 16:07:55,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-09-11 16:07:55,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:55,015 INFO L225 Difference]: With dead ends: 14 [2020-09-11 16:07:55,016 INFO L226 Difference]: Without dead ends: 14 [2020-09-11 16:07:55,016 INFO L675 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 [2020-09-11 16:07:55,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-09-11 16:07:55,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-09-11 16:07:55,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-09-11 16:07:55,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2020-09-11 16:07:55,019 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 4 [2020-09-11 16:07:55,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:55,020 INFO L479 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-09-11 16:07:55,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 16:07:55,020 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-09-11 16:07:55,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-11 16:07:55,021 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:55,021 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-11 16:07:55,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-11 16:07:55,021 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-09-11 16:07:55,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:55,022 INFO L82 PathProgramCache]: Analyzing trace with hash 267013202, now seen corresponding path program 1 times [2020-09-11 16:07:55,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:55,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683992133] [2020-09-11 16:07:55,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:07:55,093 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:07:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:07:55,126 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:07:55,159 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 16:07:55,160 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 16:07:55,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-11 16:07:55,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 04:07:55 BasicIcfg [2020-09-11 16:07:55,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-11 16:07:55,208 INFO L168 Benchmark]: Toolchain (without parser) took 7130.58 ms. Allocated memory was 138.9 MB in the beginning and 281.0 MB in the end (delta: 142.1 MB). Free memory was 99.7 MB in the beginning and 240.6 MB in the end (delta: -140.9 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2020-09-11 16:07:55,209 INFO L168 Benchmark]: CDTParser took 1.56 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-11 16:07:55,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.35 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 99.1 MB in the beginning and 180.8 MB in the end (delta: -81.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-09-11 16:07:55,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.22 ms. Allocated memory is still 202.4 MB. Free memory was 180.8 MB in the beginning and 178.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-09-11 16:07:55,212 INFO L168 Benchmark]: Boogie Preprocessor took 27.54 ms. Allocated memory is still 202.4 MB. Free memory was 178.4 MB in the beginning and 177.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-11 16:07:55,213 INFO L168 Benchmark]: RCFGBuilder took 470.33 ms. Allocated memory is still 202.4 MB. Free memory was 177.0 MB in the beginning and 152.6 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-09-11 16:07:55,214 INFO L168 Benchmark]: TraceAbstraction took 6129.35 ms. Allocated memory was 202.4 MB in the beginning and 281.0 MB in the end (delta: 78.6 MB). Free memory was 152.6 MB in the beginning and 240.6 MB in the end (delta: -88.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-11 16:07:55,218 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 445.35 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 99.1 MB in the beginning and 180.8 MB in the end (delta: -81.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.22 ms. Allocated memory is still 202.4 MB. Free memory was 180.8 MB in the beginning and 178.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.54 ms. Allocated memory is still 202.4 MB. Free memory was 178.4 MB in the beginning and 177.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 470.33 ms. Allocated memory is still 202.4 MB. Free memory was 177.0 MB in the beginning and 152.6 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6129.35 ms. Allocated memory was 202.4 MB in the beginning and 281.0 MB in the end (delta: 78.6 MB). Free memory was 152.6 MB in the beginning and 240.6 MB in the end (delta: -88.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 5.0s, 79 ProgramPointsBefore, 17 ProgramPointsAfterwards, 75 TransitionsBefore, 13 TransitionsAfterwards, 496 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 257 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 482 CheckedPairsTotal, 69 TotalNumberOfCompositions - 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={12:0}, n={12:0}] [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={12:0}, globVar={12:0}, n={12:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.0s, 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, 0.2s 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...