/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/forkForkSimple.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 19:49:13,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 19:49:13,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 19:49:13,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-21 19:49:13,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-21 19:49:13,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-21 19:49:13,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-21 19:49:13,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-21 19:49:13,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-21 19:49:13,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-21 19:49:13,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-21 19:49:13,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-21 19:49:13,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 19:49:13,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 19:49:13,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 19:49:13,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 19:49:13,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 19:49:13,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 19:49:13,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 19:49:13,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 19:49:13,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 19:49:13,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 19:49:13,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 19:49:13,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 19:49:13,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-21 19:49:13,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-21 19:49:13,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-21 19:49:13,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-21 19:49:13,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-21 19:49:13,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-21 19:49:13,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-21 19:49:13,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-21 19:49:13,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-21 19:49:13,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-21 19:49:13,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-21 19:49:13,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-21 19:49:13,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-21 19:49:13,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-21 19:49:13,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 19:49:13,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 19:49:13,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 19:49:13,405 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.epf [2021-05-21 19:49:13,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 19:49:13,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 19:49:13,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 19:49:13,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 19:49:13,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 19:49:13,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 19:49:13,443 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 19:49:13,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 19:49:13,444 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 19:49:13,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 19:49:13,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 19:49:13,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 19:49:13,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 19:49:13,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 19:49:13,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 19:49:13,445 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 19:49:13,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 19:49:13,446 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 19:49:13,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 19:49:13,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 19:49:13,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 19:49:13,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 19:49:13,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 19:49:13,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 19:49:13,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 19:49:13,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 19:49:13,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 19:49:13,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 19:49:13,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 19:49:13,447 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 19:49:13,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 19:49:13,447 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 19:49:13,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 19:49:13,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 19:49:13,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 19:49:13,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 19:49:13,755 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 19:49:13,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkForkSimple.c [2021-05-21 19:49:13,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52421545e/8c8d5edb642448e2bcc7adc748a2ab38/FLAG70887b222 [2021-05-21 19:49:14,205 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 19:49:14,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkForkSimple.c [2021-05-21 19:49:14,206 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-05-21 19:49:14,206 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-05-21 19:49:14,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52421545e/8c8d5edb642448e2bcc7adc748a2ab38/FLAG70887b222 [2021-05-21 19:49:14,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52421545e/8c8d5edb642448e2bcc7adc748a2ab38 [2021-05-21 19:49:14,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 19:49:14,554 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 19:49:14,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 19:49:14,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 19:49:14,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 19:49:14,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 07:49:14" (1/1) ... [2021-05-21 19:49:14,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@553acb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14, skipping insertion in model container [2021-05-21 19:49:14,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 07:49:14" (1/1) ... [2021-05-21 19:49:14,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 19:49:14,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 19:49:14,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 19:49:14,731 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 19:49:14,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 19:49:14,749 INFO L208 MainTranslator]: Completed translation [2021-05-21 19:49:14,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14 WrapperNode [2021-05-21 19:49:14,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 19:49:14,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 19:49:14,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 19:49:14,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 19:49:14,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14" (1/1) ... [2021-05-21 19:49:14,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14" (1/1) ... [2021-05-21 19:49:14,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 19:49:14,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 19:49:14,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 19:49:14,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 19:49:14,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14" (1/1) ... [2021-05-21 19:49:14,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14" (1/1) ... [2021-05-21 19:49:14,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14" (1/1) ... [2021-05-21 19:49:14,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14" (1/1) ... [2021-05-21 19:49:14,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14" (1/1) ... [2021-05-21 19:49:14,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14" (1/1) ... [2021-05-21 19:49:14,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14" (1/1) ... [2021-05-21 19:49:14,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 19:49:14,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 19:49:14,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 19:49:14,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 19:49:14,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14" (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 [2021-05-21 19:49:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 19:49:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2021-05-21 19:49:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2021-05-21 19:49:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-05-21 19:49:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-05-21 19:49:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 19:49:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 19:49:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-21 19:49:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 19:49:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 19:49:14,891 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 19:49:15,185 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 19:49:15,185 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-05-21 19:49:15,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 07:49:15 BoogieIcfgContainer [2021-05-21 19:49:15,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 19:49:15,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 19:49:15,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 19:49:15,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 19:49:15,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 07:49:14" (1/3) ... [2021-05-21 19:49:15,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d1409d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 07:49:15, skipping insertion in model container [2021-05-21 19:49:15,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:14" (2/3) ... [2021-05-21 19:49:15,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d1409d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 07:49:15, skipping insertion in model container [2021-05-21 19:49:15,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 07:49:15" (3/3) ... [2021-05-21 19:49:15,192 INFO L111 eAbstractionObserver]: Analyzing ICFG forkForkSimple.c [2021-05-21 19:49:15,197 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 19:49:15,197 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 19:49:15,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-21 19:49:15,198 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 19:49:15,225 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,226 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,226 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,226 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,226 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,226 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,227 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,227 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,227 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,227 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,227 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,227 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,228 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,228 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,228 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,228 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,228 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,228 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,229 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,229 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,229 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,229 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,229 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,229 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,230 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,230 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,230 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,230 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,230 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,230 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,231 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,231 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,231 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,231 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,231 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,231 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,232 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,232 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,232 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,232 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,232 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,232 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,233 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,233 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,233 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,233 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,233 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,233 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,234 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,234 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,234 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,234 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,234 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,234 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,245 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,245 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,245 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,245 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,258 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,258 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,258 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,258 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,258 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,258 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,259 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,259 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,259 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,264 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,264 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,264 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,264 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:15,310 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-05-21 19:49:15,329 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-05-21 19:49:15,358 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 19:49:15,358 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 19:49:15,359 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 19:49:15,359 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 19:49:15,359 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 19:49:15,359 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 19:49:15,360 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 19:49:15,360 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 19:49:15,370 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 47 transitions, 113 flow [2021-05-21 19:49:15,398 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 291 states, 289 states have (on average 2.190311418685121) internal successors, (633), 290 states have internal predecessors, (633), 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) [2021-05-21 19:49:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 291 states, 289 states have (on average 2.190311418685121) internal successors, (633), 290 states have internal predecessors, (633), 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) [2021-05-21 19:49:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-05-21 19:49:15,406 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 19:49:15,407 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 19:49:15,407 INFO L430 AbstractCegarLoop]: === Iteration 1 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, fooErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-21 19:49:15,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 19:49:15,412 INFO L82 PathProgramCache]: Analyzing trace with hash 148192278, now seen corresponding path program 1 times [2021-05-21 19:49:15,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 19:49:15,419 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172897859] [2021-05-21 19:49:15,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 19:49:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 19:49:15,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 19:49:15,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 19:49:15,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172897859] [2021-05-21 19:49:15,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172897859] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 19:49:15,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 19:49:15,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 19:49:15,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983560364] [2021-05-21 19:49:15,541 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 19:49:15,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 19:49:15,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 19:49:15,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 19:49:15,555 INFO L87 Difference]: Start difference. First operand has 291 states, 289 states have (on average 2.190311418685121) internal successors, (633), 290 states have internal predecessors, (633), 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 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-05-21 19:49:15,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 19:49:15,581 INFO L93 Difference]: Finished difference Result 263 states and 568 transitions. [2021-05-21 19:49:15,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 19:49:15,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2021-05-21 19:49:15,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 19:49:15,587 INFO L225 Difference]: With dead ends: 263 [2021-05-21 19:49:15,587 INFO L226 Difference]: Without dead ends: 0 [2021-05-21 19:49:15,588 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 19:49:15,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-21 19:49:15,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-21 19:49:15,606 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) [2021-05-21 19:49:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-21 19:49:15,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-05-21 19:49:15,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 19:49:15,608 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-21 19:49:15,608 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-05-21 19:49:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-21 19:49:15,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 19:49:15,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 19:49:15,610 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 19:49:15,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 07:49:15 BasicIcfg [2021-05-21 19:49:15,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 19:49:15,614 INFO L168 Benchmark]: Toolchain (without parser) took 1059.76 ms. Allocated memory is still 369.1 MB. Free memory was 331.9 MB in the beginning and 306.1 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.0 GB. [2021-05-21 19:49:15,614 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 369.1 MB. Free memory is still 349.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 19:49:15,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.30 ms. Allocated memory is still 369.1 MB. Free memory was 331.7 MB in the beginning and 347.9 MB in the end (delta: -16.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-05-21 19:49:15,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.45 ms. Allocated memory is still 369.1 MB. Free memory was 347.9 MB in the beginning and 352.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 19:49:15,616 INFO L168 Benchmark]: Boogie Preprocessor took 49.14 ms. Allocated memory is still 369.1 MB. Free memory was 352.2 MB in the beginning and 350.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 19:49:15,616 INFO L168 Benchmark]: RCFGBuilder took 354.28 ms. Allocated memory is still 369.1 MB. Free memory was 350.5 MB in the beginning and 334.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-05-21 19:49:15,617 INFO L168 Benchmark]: TraceAbstraction took 425.01 ms. Allocated memory is still 369.1 MB. Free memory was 334.4 MB in the beginning and 306.1 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-05-21 19:49:15,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 369.1 MB. Free memory is still 349.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 193.30 ms. Allocated memory is still 369.1 MB. Free memory was 331.7 MB in the beginning and 347.9 MB in the end (delta: -16.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 31.45 ms. Allocated memory is still 369.1 MB. Free memory was 347.9 MB in the beginning and 352.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 49.14 ms. Allocated memory is still 369.1 MB. Free memory was 352.2 MB in the beginning and 350.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 354.28 ms. Allocated memory is still 369.1 MB. Free memory was 350.5 MB in the beginning and 334.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 425.01 ms. Allocated memory is still 369.1 MB. Free memory was 334.4 MB in the beginning and 306.1 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 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 5 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 253.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 7.8ms, AutomataDifference: 46.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 38.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 37 SDtfs, 25 SDslu, 5 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.2ms SsaConstructionTime, 16.1ms SatisfiabilityAnalysisTime, 48.3ms InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 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...