/usr/bin/java -Xmx8000000000 -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/atomic/02-atomic-function.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-12 18:44:05,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-12 18:44:05,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-12 18:44:05,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-12 18:44:05,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-12 18:44:05,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-12 18:44:05,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-12 18:44:05,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-12 18:44:05,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-12 18:44:05,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-12 18:44:05,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-12 18:44:05,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-12 18:44:05,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-12 18:44:05,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-12 18:44:05,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-12 18:44:05,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-12 18:44:05,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-12 18:44:05,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-12 18:44:05,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-12 18:44:05,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-12 18:44:05,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-12 18:44:05,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-12 18:44:05,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-12 18:44:05,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-12 18:44:05,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-12 18:44:05,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-12 18:44:05,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-12 18:44:05,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-12 18:44:05,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-12 18:44:05,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-12 18:44:05,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-12 18:44:05,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-12 18:44:05,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-12 18:44:05,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-12 18:44:05,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-12 18:44:05,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-12 18:44:05,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-12 18:44:05,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-12 18:44:05,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-12 18:44:05,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-12 18:44:05,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-12 18:44:05,884 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 [2021-06-12 18:44:05,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-12 18:44:05,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-12 18:44:05,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-12 18:44:05,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-12 18:44:05,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-12 18:44:05,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-12 18:44:05,929 INFO L138 SettingsManager]: * Use SBE=true [2021-06-12 18:44:05,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-12 18:44:05,929 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-12 18:44:05,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-12 18:44:05,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-12 18:44:05,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-12 18:44:05,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-12 18:44:05,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-12 18:44:05,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-12 18:44:05,931 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-12 18:44:05,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-12 18:44:05,931 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-12 18:44:05,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-12 18:44:05,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-12 18:44:05,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-12 18:44:05,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-12 18:44:05,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-12 18:44:05,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-12 18:44:05,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-12 18:44:05,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-12 18:44:05,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-12 18:44:05,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-12 18:44:05,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-12 18:44:05,933 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-12 18:44:05,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-12 18:44:05,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-12 18:44:06,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-12 18:44:06,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-12 18:44:06,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-12 18:44:06,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-12 18:44:06,231 INFO L275 PluginConnector]: CDTParser initialized [2021-06-12 18:44:06,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/02-atomic-function.c [2021-06-12 18:44:06,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe5b1a78/2febd419df9241c6a18c307d52b79b02/FLAG4b49c4f6e [2021-06-12 18:44:06,817 INFO L306 CDTParser]: Found 1 translation units. [2021-06-12 18:44:06,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/02-atomic-function.c [2021-06-12 18:44:06,817 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-12 18:44:06,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe5b1a78/2febd419df9241c6a18c307d52b79b02/FLAG4b49c4f6e [2021-06-12 18:44:07,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe5b1a78/2febd419df9241c6a18c307d52b79b02 [2021-06-12 18:44:07,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-12 18:44:07,137 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-12 18:44:07,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-12 18:44:07,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-12 18:44:07,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-12 18:44:07,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 06:44:07" (1/1) ... [2021-06-12 18:44:07,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16412cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07, skipping insertion in model container [2021-06-12 18:44:07,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 06:44:07" (1/1) ... [2021-06-12 18:44:07,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-12 18:44:07,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-12 18:44:07,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 18:44:07,327 INFO L203 MainTranslator]: Completed pre-run [2021-06-12 18:44:07,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 18:44:07,356 INFO L208 MainTranslator]: Completed translation [2021-06-12 18:44:07,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07 WrapperNode [2021-06-12 18:44:07,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-12 18:44:07,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-12 18:44:07,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-12 18:44:07,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-12 18:44:07,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07" (1/1) ... [2021-06-12 18:44:07,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07" (1/1) ... [2021-06-12 18:44:07,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-12 18:44:07,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-12 18:44:07,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-12 18:44:07,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-12 18:44:07,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07" (1/1) ... [2021-06-12 18:44:07,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07" (1/1) ... [2021-06-12 18:44:07,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07" (1/1) ... [2021-06-12 18:44:07,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07" (1/1) ... [2021-06-12 18:44:07,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07" (1/1) ... [2021-06-12 18:44:07,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07" (1/1) ... [2021-06-12 18:44:07,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07" (1/1) ... [2021-06-12 18:44:07,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-12 18:44:07,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-12 18:44:07,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-12 18:44:07,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-12 18:44:07,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07" (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 [2021-06-12 18:44:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-12 18:44:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-12 18:44:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-12 18:44:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-12 18:44:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-12 18:44:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-12 18:44:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-12 18:44:07,508 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-12 18:44:07,682 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-12 18:44:07,682 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-12 18:44:07,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 06:44:07 BoogieIcfgContainer [2021-06-12 18:44:07,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-12 18:44:07,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-12 18:44:07,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-12 18:44:07,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-12 18:44:07,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.06 06:44:07" (1/3) ... [2021-06-12 18:44:07,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3366be96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 06:44:07, skipping insertion in model container [2021-06-12 18:44:07,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:07" (2/3) ... [2021-06-12 18:44:07,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3366be96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 06:44:07, skipping insertion in model container [2021-06-12 18:44:07,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 06:44:07" (3/3) ... [2021-06-12 18:44:07,690 INFO L111 eAbstractionObserver]: Analyzing ICFG 02-atomic-function.c [2021-06-12 18:44:07,695 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-12 18:44:07,695 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-12 18:44:07,695 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-12 18:44:07,696 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-12 18:44:07,711 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,711 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,711 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,711 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,711 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,712 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,712 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,712 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,712 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,712 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,712 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,712 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,714 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,714 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,714 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,715 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:07,717 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-12 18:44:07,734 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-12 18:44:07,749 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 18:44:07,749 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 18:44:07,750 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 18:44:07,750 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 18:44:07,750 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 18:44:07,750 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 18:44:07,750 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 18:44:07,750 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-12 18:44:07,757 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 27 transitions, 59 flow [2021-06-12 18:44:07,767 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 66 states, 64 states have (on average 1.71875) internal successors, (110), 65 states have internal predecessors, (110), 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) [2021-06-12 18:44:07,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 64 states have (on average 1.71875) internal successors, (110), 65 states have internal predecessors, (110), 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) [2021-06-12 18:44:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-06-12 18:44:07,774 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 18:44:07,774 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 18:44:07,775 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-12 18:44:07,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 18:44:07,779 INFO L82 PathProgramCache]: Analyzing trace with hash 290198714, now seen corresponding path program 1 times [2021-06-12 18:44:07,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 18:44:07,786 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385208301] [2021-06-12 18:44:07,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 18:44:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 18:44:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 18:44:07,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 18:44:07,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385208301] [2021-06-12 18:44:07,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385208301] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 18:44:07,976 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 18:44:07,976 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-12 18:44:07,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509261467] [2021-06-12 18:44:07,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-12 18:44:07,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 18:44:07,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-12 18:44:07,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 18:44:08,002 INFO L87 Difference]: Start difference. First operand has 66 states, 64 states have (on average 1.71875) internal successors, (110), 65 states have internal predecessors, (110), 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, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-06-12 18:44:08,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 18:44:08,028 INFO L93 Difference]: Finished difference Result 56 states and 87 transitions. [2021-06-12 18:44:08,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-12 18:44:08,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2021-06-12 18:44:08,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 18:44:08,034 INFO L225 Difference]: With dead ends: 56 [2021-06-12 18:44:08,034 INFO L226 Difference]: Without dead ends: 0 [2021-06-12 18:44:08,036 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 18:44:08,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-12 18:44:08,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-12 18:44:08,053 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) [2021-06-12 18:44:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-12 18:44:08,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-06-12 18:44:08,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 18:44:08,054 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-12 18:44:08,055 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-06-12 18:44:08,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-12 18:44:08,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 18:44:08,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-12 18:44:08,058 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-12 18:44:08,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.06 06:44:08 BasicIcfg [2021-06-12 18:44:08,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-12 18:44:08,061 INFO L168 Benchmark]: Toolchain (without parser) took 923.95 ms. Allocated memory is still 200.3 MB. Free memory was 164.1 MB in the beginning and 144.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:08,063 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 200.3 MB. Free memory is still 182.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-12 18:44:08,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.74 ms. Allocated memory is still 200.3 MB. Free memory was 163.9 MB in the beginning and 183.5 MB in the end (delta: -19.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:08,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.78 ms. Allocated memory is still 200.3 MB. Free memory was 183.5 MB in the beginning and 182.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:08,065 INFO L168 Benchmark]: Boogie Preprocessor took 19.37 ms. Allocated memory is still 200.3 MB. Free memory was 182.0 MB in the beginning and 180.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:08,067 INFO L168 Benchmark]: RCFGBuilder took 253.69 ms. Allocated memory is still 200.3 MB. Free memory was 180.9 MB in the beginning and 167.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:08,068 INFO L168 Benchmark]: TraceAbstraction took 374.82 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 144.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:08,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 200.3 MB. Free memory is still 182.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 218.74 ms. Allocated memory is still 200.3 MB. Free memory was 163.9 MB in the beginning and 183.5 MB in the end (delta: -19.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 49.78 ms. Allocated memory is still 200.3 MB. Free memory was 183.5 MB in the beginning and 182.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.37 ms. Allocated memory is still 200.3 MB. Free memory was 182.0 MB in the beginning and 180.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 253.69 ms. Allocated memory is still 200.3 MB. Free memory was 180.9 MB in the beginning and 167.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 374.82 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 144.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 33]: 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: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 33 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 308.9ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 6.8ms, AutomataDifference: 53.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 20 SDtfs, 8 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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: 6.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.5ms SsaConstructionTime, 17.8ms SatisfiabilityAnalysisTime, 98.7ms InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 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...