/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-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 22:09:06,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 22:09:06,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 22:09:06,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 22:09:06,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 22:09:06,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 22:09:06,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 22:09:06,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 22:09:06,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 22:09:06,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 22:09:06,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 22:09:06,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 22:09:06,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 22:09:06,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 22:09:06,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 22:09:06,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 22:09:06,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 22:09:06,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 22:09:06,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 22:09:06,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 22:09:06,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 22:09:06,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 22:09:06,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 22:09:06,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 22:09:06,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 22:09:06,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 22:09:06,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 22:09:06,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 22:09:06,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 22:09:06,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 22:09:06,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 22:09:06,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 22:09:06,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 22:09:06,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 22:09:06,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 22:09:06,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 22:09:06,570 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-PN-SemanticLbe.epf [2021-03-24 22:09:06,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 22:09:06,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 22:09:06,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 22:09:06,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 22:09:06,606 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 22:09:06,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 22:09:06,607 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 22:09:06,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 22:09:06,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 22:09:06,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 22:09:06,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 22:09:06,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 22:09:06,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 22:09:06,608 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 22:09:06,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 22:09:06,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 22:09:06,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 22:09:06,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 22:09:06,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 22:09:06,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 22:09:06,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 22:09:06,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 22:09:06,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 22:09:06,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 22:09:06,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 22:09:06,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 22:09:06,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 22:09:06,610 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 22:09:06,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 22:09:06,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 22:09:06,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 22:09:06,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 22:09:06,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 22:09:06,943 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 22:09:06,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-03-24 22:09:07,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af307dfe2/af639551a61b4220ad7427bc49e85892/FLAG7354f98b8 [2021-03-24 22:09:07,502 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 22:09:07,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-03-24 22:09:07,504 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-24 22:09:07,504 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-24 22:09:07,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af307dfe2/af639551a61b4220ad7427bc49e85892/FLAG7354f98b8 [2021-03-24 22:09:07,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af307dfe2/af639551a61b4220ad7427bc49e85892 [2021-03-24 22:09:07,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 22:09:07,881 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 22:09:07,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 22:09:07,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 22:09:07,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 22:09:07,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:09:07" (1/1) ... [2021-03-24 22:09:07,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3838a005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:07, skipping insertion in model container [2021-03-24 22:09:07,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:09:07" (1/1) ... [2021-03-24 22:09:07,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 22:09:07,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 22:09:07,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 22:09:08,006 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 22:09:08,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 22:09:08,062 INFO L208 MainTranslator]: Completed translation [2021-03-24 22:09:08,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08 WrapperNode [2021-03-24 22:09:08,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 22:09:08,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 22:09:08,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 22:09:08,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 22:09:08,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08" (1/1) ... [2021-03-24 22:09:08,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08" (1/1) ... [2021-03-24 22:09:08,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 22:09:08,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 22:09:08,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 22:09:08,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 22:09:08,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08" (1/1) ... [2021-03-24 22:09:08,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08" (1/1) ... [2021-03-24 22:09:08,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08" (1/1) ... [2021-03-24 22:09:08,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08" (1/1) ... [2021-03-24 22:09:08,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08" (1/1) ... [2021-03-24 22:09:08,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08" (1/1) ... [2021-03-24 22:09:08,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08" (1/1) ... [2021-03-24 22:09:08,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 22:09:08,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 22:09:08,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 22:09:08,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 22:09:08,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08" (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 [2021-03-24 22:09:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-03-24 22:09:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 22:09:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure add [2021-03-24 22:09:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2021-03-24 22:09:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 22:09:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 22:09:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 22:09:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-24 22:09:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-24 22:09:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 22:09:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 22:09:08,202 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 22:09:08,512 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 22:09:08,512 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-24 22:09:08,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:09:08 BoogieIcfgContainer [2021-03-24 22:09:08,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 22:09:08,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 22:09:08,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 22:09:08,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 22:09:08,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 10:09:07" (1/3) ... [2021-03-24 22:09:08,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fccb01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:09:08, skipping insertion in model container [2021-03-24 22:09:08,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:08" (2/3) ... [2021-03-24 22:09:08,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fccb01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:09:08, skipping insertion in model container [2021-03-24 22:09:08,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:09:08" (3/3) ... [2021-03-24 22:09:08,544 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleParameter.c [2021-03-24 22:09:08,550 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 22:09:08,554 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-24 22:09:08,554 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 22:09:08,585 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,586 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,586 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,586 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,586 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,586 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,586 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,587 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,587 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,587 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,587 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,587 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,588 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,588 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,588 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,588 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,589 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,589 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,589 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,590 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,590 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,590 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,590 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,590 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,590 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,592 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,592 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,592 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,592 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,592 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,593 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,593 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,593 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,593 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,593 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,593 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,594 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,594 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,594 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,594 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,595 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,595 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,595 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,595 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,598 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,599 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,599 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,599 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,599 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,599 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,599 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,600 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,600 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:08,609 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-24 22:09:08,625 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-03-24 22:09:08,653 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 22:09:08,653 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 22:09:08,653 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 22:09:08,654 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 22:09:08,654 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 22:09:08,654 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 22:09:08,654 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 22:09:08,654 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 22:09:08,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 92 flow [2021-03-24 22:09:08,703 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-24 22:09:08,703 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 22:09:08,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 41 events. 0/41 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-24 22:09:08,705 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 42 transitions, 92 flow [2021-03-24 22:09:08,710 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 31 transitions, 68 flow [2021-03-24 22:09:08,711 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 22:09:08,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 31 transitions, 68 flow [2021-03-24 22:09:08,727 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 31 transitions, 68 flow [2021-03-24 22:09:08,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 31 transitions, 68 flow [2021-03-24 22:09:08,749 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-03-24 22:09:08,749 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 22:09:08,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 31 events. 0/31 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-24 22:09:08,752 INFO L142 LiptonReduction]: Number of co-enabled transitions 54 [2021-03-24 22:09:10,189 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-03-24 22:09:10,342 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-03-24 22:09:10,392 INFO L154 LiptonReduction]: Checked pairs total: 32 [2021-03-24 22:09:10,392 INFO L156 LiptonReduction]: Total number of compositions: 23 [2021-03-24 22:09:10,394 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1684 [2021-03-24 22:09:10,404 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2021-03-24 22:09:10,405 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 22:09:10,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:09:10,406 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:09:10,406 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:09:10,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:09:10,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1528066487, now seen corresponding path program 1 times [2021-03-24 22:09:10,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:09:10,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491740993] [2021-03-24 22:09:10,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:09:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:09:10,589 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-24 22:09:10,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:09:10,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:09:10,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:09:10,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:09:10,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:09:10,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:09:10,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:09:10,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:09:10,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:09:10,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:09:10,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:09:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:09:10,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491740993] [2021-03-24 22:09:10,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 22:09:10,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 22:09:10,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810380056] [2021-03-24 22:09:10,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 22:09:10,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:09:10,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 22:09:10,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-24 22:09:10,738 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 65 [2021-03-24 22:09:10,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 8 transitions, 22 flow. Second operand has 8 states, 8 states have (on average 21.0) internal successors, (168), 8 states have internal predecessors, (168), 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) [2021-03-24 22:09:10,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:09:10,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 65 [2021-03-24 22:09:10,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:09:10,970 INFO L129 PetriNetUnfolder]: 1/9 cut-off events. [2021-03-24 22:09:10,970 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 22:09:10,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 9 events. 1/9 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 1/10 useless extension candidates. Maximal degree in co-relation 8. Up to 3 conditions per place. [2021-03-24 22:09:10,972 INFO L132 encePairwiseOnDemand]: 58/65 looper letters, 0 selfloop transitions, 0 changer transitions 8/8 dead transitions. [2021-03-24 22:09:10,972 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 8 transitions, 38 flow [2021-03-24 22:09:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 22:09:10,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 22:09:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 169 transitions. [2021-03-24 22:09:10,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.325 [2021-03-24 22:09:10,988 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 169 transitions. [2021-03-24 22:09:10,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 169 transitions. [2021-03-24 22:09:10,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:09:10,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 169 transitions. [2021-03-24 22:09:10,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 21.125) internal successors, (169), 8 states have internal predecessors, (169), 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) [2021-03-24 22:09:11,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 65.0) internal successors, (585), 9 states have internal predecessors, (585), 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) [2021-03-24 22:09:11,010 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 65.0) internal successors, (585), 9 states have internal predecessors, (585), 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) [2021-03-24 22:09:11,011 INFO L185 Difference]: Start difference. First operand has 12 places, 8 transitions, 22 flow. Second operand 8 states and 169 transitions. [2021-03-24 22:09:11,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 8 transitions, 38 flow [2021-03-24 22:09:11,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 8 transitions, 34 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 22:09:11,017 INFO L241 Difference]: Finished difference. Result has 16 places, 0 transitions, 0 flow [2021-03-24 22:09:11,018 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=16, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=16, PETRI_TRANSITIONS=0} [2021-03-24 22:09:11,019 INFO L343 CegarLoopForPetriNet]: 12 programPoint places, 4 predicate places. [2021-03-24 22:09:11,019 INFO L480 AbstractCegarLoop]: Abstraction has has 16 places, 0 transitions, 0 flow [2021-03-24 22:09:11,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 21.0) internal successors, (168), 8 states have internal predecessors, (168), 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) [2021-03-24 22:09:11,020 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 22:09:11,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 10:09:11 BasicIcfg [2021-03-24 22:09:11,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 22:09:11,025 INFO L168 Benchmark]: Toolchain (without parser) took 3142.49 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.2 MB in the beginning and 243.4 MB in the end (delta: -9.2 MB). Peak memory consumption was 91.1 MB. Max. memory is 16.0 GB. [2021-03-24 22:09:11,026 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 22:09:11,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.58 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.2 MB in the beginning and 340.7 MB in the end (delta: -106.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-24 22:09:11,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.29 ms. Allocated memory is still 356.5 MB. Free memory was 340.7 MB in the beginning and 339.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 22:09:11,028 INFO L168 Benchmark]: Boogie Preprocessor took 16.60 ms. Allocated memory is still 356.5 MB. Free memory was 339.3 MB in the beginning and 338.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 22:09:11,029 INFO L168 Benchmark]: RCFGBuilder took 404.36 ms. Allocated memory is still 356.5 MB. Free memory was 338.2 MB in the beginning and 323.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-24 22:09:11,033 INFO L168 Benchmark]: TraceAbstraction took 2508.45 ms. Allocated memory is still 356.5 MB. Free memory was 322.5 MB in the beginning and 243.4 MB in the end (delta: 79.1 MB). Peak memory consumption was 77.5 MB. Max. memory is 16.0 GB. [2021-03-24 22:09:11,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 180.58 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.2 MB in the beginning and 340.7 MB in the end (delta: -106.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.29 ms. Allocated memory is still 356.5 MB. Free memory was 340.7 MB in the beginning and 339.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.60 ms. Allocated memory is still 356.5 MB. Free memory was 339.3 MB in the beginning and 338.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 404.36 ms. Allocated memory is still 356.5 MB. Free memory was 338.2 MB in the beginning and 323.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2508.45 ms. Allocated memory is still 356.5 MB. Free memory was 322.5 MB in the beginning and 243.4 MB in the end (delta: 79.1 MB). Peak memory consumption was 77.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1665.1ms, 35 PlacesBefore, 12 PlacesAfterwards, 31 TransitionsBefore, 8 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 23 TotalNumberOfCompositions, 32 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 31]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 2371.9ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 287.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1746.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1 SDtfs, 10 SDslu, 1 SDs, 0 SdLazy, 34 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 269.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 8, 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: TRACE_CHECK: 4.9ms SsaConstructionTime, 35.7ms SatisfiabilityAnalysisTime, 194.0ms InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 112 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...