/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-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/15-goto-within.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 20:08:10,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 20:08:10,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 20:08:10,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 20:08:10,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 20:08:10,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 20:08:10,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 20:08:10,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 20:08:10,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 20:08:10,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 20:08:10,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 20:08:10,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 20:08:10,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 20:08:10,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 20:08:10,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 20:08:10,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 20:08:10,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 20:08:10,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 20:08:10,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 20:08:10,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 20:08:10,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 20:08:10,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 20:08:10,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 20:08:10,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 20:08:10,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 20:08:10,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 20:08:10,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 20:08:10,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 20:08:10,116 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-POR-DelaySleep-NoLbe-Random521.epf [2021-06-06 20:08:10,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 20:08:10,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 20:08:10,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 20:08:10,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 20:08:10,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 20:08:10,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 20:08:10,155 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 20:08:10,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 20:08:10,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 20:08:10,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 20:08:10,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 20:08:10,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 20:08:10,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 20:08:10,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 20:08:10,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 20:08:10,157 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 20:08:10,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 20:08:10,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 20:08:10,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 20:08:10,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 20:08:10,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 20:08:10,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 20:08:10,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 20:08:10,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 20:08:10,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 20:08:10,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 20:08:10,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 20:08:10,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 20:08:10,159 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 20:08:10,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 20:08:10,160 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 20:08:10,160 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 20:08:10,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 20:08:10,160 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 20:08:10,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 20:08:10,161 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 20:08:10,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 20:08:10,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 20:08:10,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 20:08:10,468 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 20:08:10,469 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 20:08:10,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/15-goto-within.c [2021-06-06 20:08:10,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8a49a8b/85a9607fbc1542bbad8fd08f5ca2acc6/FLAG652ab0618 [2021-06-06 20:08:10,882 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 20:08:10,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/15-goto-within.c [2021-06-06 20:08:10,883 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-06 20:08:10,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8a49a8b/85a9607fbc1542bbad8fd08f5ca2acc6/FLAG652ab0618 [2021-06-06 20:08:10,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8a49a8b/85a9607fbc1542bbad8fd08f5ca2acc6 [2021-06-06 20:08:10,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 20:08:10,928 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 20:08:10,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 20:08:10,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 20:08:10,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 20:08:10,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:08:10" (1/1) ... [2021-06-06 20:08:10,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711c76f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:10, skipping insertion in model container [2021-06-06 20:08:10,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:08:10" (1/1) ... [2021-06-06 20:08:10,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 20:08:10,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 20:08:11,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 20:08:11,111 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 20:08:11,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 20:08:11,175 INFO L208 MainTranslator]: Completed translation [2021-06-06 20:08:11,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11 WrapperNode [2021-06-06 20:08:11,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 20:08:11,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 20:08:11,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 20:08:11,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 20:08:11,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11" (1/1) ... [2021-06-06 20:08:11,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11" (1/1) ... [2021-06-06 20:08:11,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 20:08:11,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 20:08:11,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 20:08:11,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 20:08:11,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11" (1/1) ... [2021-06-06 20:08:11,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11" (1/1) ... [2021-06-06 20:08:11,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11" (1/1) ... [2021-06-06 20:08:11,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11" (1/1) ... [2021-06-06 20:08:11,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11" (1/1) ... [2021-06-06 20:08:11,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11" (1/1) ... [2021-06-06 20:08:11,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11" (1/1) ... [2021-06-06 20:08:11,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 20:08:11,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 20:08:11,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 20:08:11,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 20:08:11,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11" (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 [2021-06-06 20:08:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 20:08:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 20:08:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 20:08:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-06 20:08:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-06 20:08:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 20:08:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 20:08:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 20:08:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 20:08:11,292 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 20:08:11,613 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 20:08:11,613 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-06 20:08:11,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:08:11 BoogieIcfgContainer [2021-06-06 20:08:11,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 20:08:11,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 20:08:11,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 20:08:11,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 20:08:11,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 08:08:10" (1/3) ... [2021-06-06 20:08:11,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d679ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:08:11, skipping insertion in model container [2021-06-06 20:08:11,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:08:11" (2/3) ... [2021-06-06 20:08:11,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d679ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:08:11, skipping insertion in model container [2021-06-06 20:08:11,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:08:11" (3/3) ... [2021-06-06 20:08:11,622 INFO L111 eAbstractionObserver]: Analyzing ICFG 15-goto-within.c [2021-06-06 20:08:11,631 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 20:08:11,631 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 20:08:11,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 20:08:11,632 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 20:08:11,661 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,662 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,662 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,662 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,662 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,662 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,662 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,662 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,663 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,663 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,663 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,663 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,665 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,665 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,665 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,665 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:08:11,668 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 20:08:11,687 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 20:08:11,737 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:08:11,738 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:08:11,738 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:08:11,738 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:08:11,738 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:08:11,738 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:08:11,739 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:08:11,739 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == fooThread1of1ForFork0======== [2021-06-06 20:08:11,767 INFO L430 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:08:11,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:08:11,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1412414099, now seen corresponding path program 1 times [2021-06-06 20:08:11,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:08:11,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956999384] [2021-06-06 20:08:11,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:08:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:08:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:08:11,943 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:08:11,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956999384] [2021-06-06 20:08:11,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956999384] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:08:11,944 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:08:11,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 20:08:11,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108324332] [2021-06-06 20:08:11,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 20:08:11,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:08:11,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 20:08:11,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 20:08:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:08:11,966 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:08:11,968 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-06-06 20:08:11,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:08:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:08:12,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 20:08:12,059 INFO L301 ceAbstractionStarter]: Result for error location fooThread1of1ForFork0 was SAFE (1/3) [2021-06-06 20:08:12,060 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-06 20:08:12,070 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:08:12,071 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:08:12,071 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:08:12,071 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:08:12,071 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:08:12,071 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:08:12,071 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:08:12,071 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == foo======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 20:08:12,125 INFO L301 ceAbstractionStarter]: Result for error location foo was SAFE (2/3) [2021-06-06 20:08:12,127 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 20:08:12,134 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:08:12,135 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:08:12,135 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:08:12,135 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:08:12,135 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:08:12,136 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:08:12,136 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:08:12,136 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 20:08:12,178 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (3/3) [2021-06-06 20:08:12,180 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 20:08:12,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 08:08:12 BasicIcfg [2021-06-06 20:08:12,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 20:08:12,185 INFO L168 Benchmark]: Toolchain (without parser) took 1255.38 ms. Allocated memory is still 360.7 MB. Free memory was 323.2 MB in the beginning and 294.3 MB in the end (delta: 28.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.0 GB. [2021-06-06 20:08:12,187 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 360.7 MB. Free memory was 341.5 MB in the beginning and 341.4 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 20:08:12,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.49 ms. Allocated memory is still 360.7 MB. Free memory was 323.0 MB in the beginning and 344.6 MB in the end (delta: -21.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-06 20:08:12,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.66 ms. Allocated memory is still 360.7 MB. Free memory was 344.6 MB in the beginning and 342.5 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 20:08:12,191 INFO L168 Benchmark]: Boogie Preprocessor took 20.98 ms. Allocated memory is still 360.7 MB. Free memory was 342.5 MB in the beginning and 342.3 MB in the end (delta: 246.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 20:08:12,193 INFO L168 Benchmark]: RCFGBuilder took 391.09 ms. Allocated memory is still 360.7 MB. Free memory was 341.5 MB in the beginning and 325.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-06 20:08:12,193 INFO L168 Benchmark]: TraceAbstraction took 566.20 ms. Allocated memory is still 360.7 MB. Free memory was 324.7 MB in the beginning and 294.3 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-06-06 20:08:12,195 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 360.7 MB. Free memory was 341.5 MB in the beginning and 341.4 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 245.49 ms. Allocated memory is still 360.7 MB. Free memory was 323.0 MB in the beginning and 344.6 MB in the end (delta: -21.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.66 ms. Allocated memory is still 360.7 MB. Free memory was 344.6 MB in the beginning and 342.5 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.98 ms. Allocated memory is still 360.7 MB. Free memory was 342.5 MB in the beginning and 342.3 MB in the end (delta: 246.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 391.09 ms. Allocated memory is still 360.7 MB. Free memory was 341.5 MB in the beginning and 325.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 566.20 ms. Allocated memory is still 360.7 MB. Free memory was 324.7 MB in the beginning and 294.3 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 4, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 35, unknown conditional: 0, unknown unconditional: 35] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 35, Positive conditional cache size: 1, Positive unconditional cache size: 34, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 4, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 35, Positive conditional cache size: 1, Positive unconditional cache size: 34, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 4 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 40, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 35, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 35, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 35, unknown conditional: 0, unknown unconditional: 35] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 ], Maximal queried relation: 0, Independence queries for same thread: 5 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 40, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 35, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 35, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 35, unknown conditional: 0, unknown unconditional: 35] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 ], Maximal queried relation: 0, Independence queries for same thread: 5 - PositiveResult [Line: 20]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: fooThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 33 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 357.0ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.7ms, PartialOrderReductionTime: 103.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.2ms SsaConstructionTime, 24.1ms SatisfiabilityAnalysisTime, 65.8ms InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: foo with 1 thread instances CFG has 3 procedures, 33 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 63.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 51.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 33 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 49.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 39.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...