/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-22 01:23:14,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-22 01:23:14,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-22 01:23:14,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-22 01:23:14,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-22 01:23:14,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-22 01:23:14,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-22 01:23:14,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-22 01:23:14,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-22 01:23:14,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-22 01:23:14,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-22 01:23:14,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-22 01:23:14,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-22 01:23:14,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-22 01:23:14,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-22 01:23:14,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-22 01:23:14,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-22 01:23:14,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-22 01:23:14,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-22 01:23:14,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-22 01:23:14,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-22 01:23:14,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-22 01:23:14,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-22 01:23:14,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-22 01:23:14,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-22 01:23:14,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-22 01:23:14,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-22 01:23:14,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-22 01:23:14,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2021-05-22 01:23:14,597 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-22 01:23:14,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-22 01:23:14,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-22 01:23:14,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-22 01:23:14,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-22 01:23:14,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-22 01:23:14,600 INFO L138 SettingsManager]: * Use SBE=true [2021-05-22 01:23:14,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-22 01:23:14,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-22 01:23:14,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-22 01:23:14,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-22 01:23:14,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-22 01:23:14,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-22 01:23:14,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-22 01:23:14,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-22 01:23:14,603 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-22 01:23:14,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-22 01:23:14,603 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-22 01:23:14,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-22 01:23:14,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-22 01:23:14,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-22 01:23:14,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-22 01:23:14,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-22 01:23:14,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-22 01:23:14,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-22 01:23:14,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-22 01:23:14,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-22 01:23:14,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-22 01:23:14,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-22 01:23:14,605 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-22 01:23:14,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-22 01:23:14,605 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-05-22 01:23:14,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-22 01:23:14,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-22 01:23:14,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-22 01:23:14,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-22 01:23:14,929 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-22 01:23:14,930 INFO L275 PluginConnector]: CDTParser initialized [2021-05-22 01:23:14,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-05-22 01:23:14,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ea0f04d1/24a570a6da6f4a029bcfddbbfe9ecabc/FLAGd4f082773 [2021-05-22 01:23:15,396 INFO L306 CDTParser]: Found 1 translation units. [2021-05-22 01:23:15,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-05-22 01:23:15,397 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-05-22 01:23:15,397 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-05-22 01:23:15,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ea0f04d1/24a570a6da6f4a029bcfddbbfe9ecabc/FLAGd4f082773 [2021-05-22 01:23:15,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ea0f04d1/24a570a6da6f4a029bcfddbbfe9ecabc [2021-05-22 01:23:15,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-22 01:23:15,819 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-22 01:23:15,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-22 01:23:15,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-22 01:23:15,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-22 01:23:15,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.05 01:23:15" (1/1) ... [2021-05-22 01:23:15,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321f3bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:15, skipping insertion in model container [2021-05-22 01:23:15,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.05 01:23:15" (1/1) ... [2021-05-22 01:23:15,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-22 01:23:15,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-22 01:23:16,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-22 01:23:16,012 INFO L203 MainTranslator]: Completed pre-run [2021-05-22 01:23:16,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-22 01:23:16,076 INFO L208 MainTranslator]: Completed translation [2021-05-22 01:23:16,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16 WrapperNode [2021-05-22 01:23:16,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-22 01:23:16,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-22 01:23:16,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-22 01:23:16,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-22 01:23:16,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16" (1/1) ... [2021-05-22 01:23:16,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16" (1/1) ... [2021-05-22 01:23:16,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-22 01:23:16,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-22 01:23:16,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-22 01:23:16,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-22 01:23:16,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16" (1/1) ... [2021-05-22 01:23:16,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16" (1/1) ... [2021-05-22 01:23:16,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16" (1/1) ... [2021-05-22 01:23:16,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16" (1/1) ... [2021-05-22 01:23:16,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16" (1/1) ... [2021-05-22 01:23:16,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16" (1/1) ... [2021-05-22 01:23:16,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16" (1/1) ... [2021-05-22 01:23:16,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-22 01:23:16,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-22 01:23:16,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-22 01:23:16,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-22 01:23:16,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16" (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 [2021-05-22 01:23:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-05-22 01:23:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-22 01:23:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure add [2021-05-22 01:23:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2021-05-22 01:23:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-22 01:23:16,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-22 01:23:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-22 01:23:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-22 01:23:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-05-22 01:23:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-22 01:23:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-22 01:23:16,221 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-22 01:23:16,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-22 01:23:16,506 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-05-22 01:23:16,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.05 01:23:16 BoogieIcfgContainer [2021-05-22 01:23:16,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-22 01:23:16,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-22 01:23:16,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-22 01:23:16,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-22 01:23:16,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.05 01:23:15" (1/3) ... [2021-05-22 01:23:16,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e079a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.05 01:23:16, skipping insertion in model container [2021-05-22 01:23:16,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:16" (2/3) ... [2021-05-22 01:23:16,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e079a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.05 01:23:16, skipping insertion in model container [2021-05-22 01:23:16,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.05 01:23:16" (3/3) ... [2021-05-22 01:23:16,513 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleParameter.c [2021-05-22 01:23:16,517 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-22 01:23:16,517 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-22 01:23:16,518 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-22 01:23:16,518 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-22 01:23:16,538 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,538 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,538 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,538 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,539 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,539 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,539 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,539 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,539 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,539 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,539 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,540 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,540 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,540 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,540 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,540 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,540 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,541 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,541 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,541 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,541 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,541 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,541 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,542 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,542 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,542 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,542 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,542 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,542 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,543 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,543 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,543 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,543 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,543 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,543 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,544 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,544 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,544 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,544 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,544 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,544 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,545 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,545 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,545 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,547 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,547 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,548 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,548 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,548 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,548 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,548 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,549 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,549 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:16,556 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-05-22 01:23:16,574 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 01:23:16,590 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 01:23:16,590 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 01:23:16,590 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 01:23:16,591 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 01:23:16,591 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 01:23:16,591 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 01:23:16,591 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 01:23:16,591 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-22 01:23:16,599 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 45 transitions, 98 flow [2021-05-22 01:23:16,611 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 81 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 80 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 01:23:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 80 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 01:23:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-05-22 01:23:16,630 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 01:23:16,630 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-22 01:23:16,631 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-22 01:23:16,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 01:23:16,636 INFO L82 PathProgramCache]: Analyzing trace with hash -831684821, now seen corresponding path program 1 times [2021-05-22 01:23:16,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 01:23:16,643 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544568078] [2021-05-22 01:23:16,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 01:23:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 01:23:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 01:23:17,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 01:23:17,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544568078] [2021-05-22 01:23:17,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544568078] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 01:23:17,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 01:23:17,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-05-22 01:23:17,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578395841] [2021-05-22 01:23:17,371 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-22 01:23:17,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 01:23:17,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-22 01:23:17,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2021-05-22 01:23:17,394 INFO L87 Difference]: Start difference. First operand has 81 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 80 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 17 states, 16 states have (on average 2.125) internal successors, (34), 17 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 01:23:18,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 01:23:18,414 INFO L93 Difference]: Finished difference Result 80 states and 115 transitions. [2021-05-22 01:23:18,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-22 01:23:18,415 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.125) internal successors, (34), 17 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-05-22 01:23:18,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 01:23:18,420 INFO L225 Difference]: With dead ends: 80 [2021-05-22 01:23:18,420 INFO L226 Difference]: Without dead ends: 0 [2021-05-22 01:23:18,422 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 973.3ms TimeCoverageRelationStatistics Valid=224, Invalid=898, Unknown=0, NotChecked=0, Total=1122 [2021-05-22 01:23:18,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-22 01:23:18,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-22 01:23:18,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 01:23:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-22 01:23:18,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2021-05-22 01:23:18,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 01:23:18,441 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-22 01:23:18,441 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 16 states have (on average 2.125) internal successors, (34), 17 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 01:23:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-22 01:23:18,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-22 01:23:18,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-22 01:23:18,442 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-22 01:23:18,443 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 01:23:18,445 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 01:23:18,445 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 01:23:18,445 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 01:23:18,445 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 01:23:18,445 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 01:23:18,445 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 01:23:18,445 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 01:23:18,446 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-22 01:23:18,447 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 45 transitions, 98 flow [2021-05-22 01:23:18,451 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 81 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 80 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 01:23:18,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 80 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 01:23:18,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-22 01:23:18,452 INFO L315 ceAbstractionStarter]: Result for error location InUseError was SAFE (2/2) [2021-05-22 01:23:18,453 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-22 01:23:18,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.05 01:23:18 BasicIcfg [2021-05-22 01:23:18,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-22 01:23:18,456 INFO L168 Benchmark]: Toolchain (without parser) took 2636.10 ms. Allocated memory is still 367.0 MB. Free memory was 329.2 MB in the beginning and 294.8 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.0 GB. [2021-05-22 01:23:18,456 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 367.0 MB. Free memory was 347.4 MB in the beginning and 347.4 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-22 01:23:18,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.87 ms. Allocated memory is still 367.0 MB. Free memory was 329.0 MB in the beginning and 350.9 MB in the end (delta: -21.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2021-05-22 01:23:18,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.45 ms. Allocated memory is still 367.0 MB. Free memory was 350.9 MB in the beginning and 348.8 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-22 01:23:18,457 INFO L168 Benchmark]: Boogie Preprocessor took 25.73 ms. Allocated memory is still 367.0 MB. Free memory was 348.8 MB in the beginning and 347.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-22 01:23:18,458 INFO L168 Benchmark]: RCFGBuilder took 361.09 ms. Allocated memory is still 367.0 MB. Free memory was 347.8 MB in the beginning and 330.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-05-22 01:23:18,458 INFO L168 Benchmark]: TraceAbstraction took 1947.02 ms. Allocated memory is still 367.0 MB. Free memory was 330.0 MB in the beginning and 294.8 MB in the end (delta: 35.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.0 GB. [2021-05-22 01:23:18,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 367.0 MB. Free memory was 347.4 MB in the beginning and 347.4 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 263.87 ms. Allocated memory is still 367.0 MB. Free memory was 329.0 MB in the beginning and 350.9 MB in the end (delta: -21.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 32.45 ms. Allocated memory is still 367.0 MB. Free memory was 350.9 MB in the beginning and 348.8 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.73 ms. Allocated memory is still 367.0 MB. Free memory was 348.8 MB in the beginning and 347.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 361.09 ms. Allocated memory is still 367.0 MB. Free memory was 347.8 MB in the beginning and 330.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1947.02 ms. Allocated memory is still 367.0 MB. Free memory was 330.0 MB in the beginning and 294.8 MB in the end (delta: 35.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 57 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1854.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 18.5ms, AutomataDifference: 1049.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 35 SDtfs, 174 SDslu, 300 SDs, 0 SdLazy, 314 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 213.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 973.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.7ms SsaConstructionTime, 93.3ms SatisfiabilityAnalysisTime, 541.3ms InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 3 procedures, 57 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 1.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...