/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-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 16:31:12,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 16:31:12,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 16:31:12,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 16:31:12,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 16:31:12,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 16:31:12,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 16:31:12,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 16:31:12,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 16:31:12,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 16:31:12,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 16:31:12,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 16:31:12,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 16:31:12,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 16:31:12,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 16:31:12,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 16:31:12,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 16:31:12,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 16:31:12,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 16:31:12,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 16:31:12,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 16:31:12,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 16:31:12,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 16:31:12,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 16:31:12,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 16:31:12,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 16:31:12,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 16:31:12,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 16:31:12,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 16:31:12,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 16:31:12,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 16:31:12,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 16:31:12,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 16:31:12,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 16:31:12,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 16:31:12,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 16:31:12,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 16:31:12,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 16:31:12,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 16:31:12,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 16:31:12,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 16:31:12,636 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-Delay.epf [2021-06-16 16:31:12,676 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 16:31:12,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 16:31:12,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 16:31:12,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 16:31:12,679 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 16:31:12,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 16:31:12,680 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 16:31:12,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 16:31:12,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 16:31:12,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 16:31:12,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 16:31:12,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 16:31:12,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 16:31:12,681 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 16:31:12,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 16:31:12,682 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 16:31:12,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 16:31:12,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 16:31:12,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 16:31:12,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 16:31:12,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 16:31:12,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:31:12,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 16:31:12,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 16:31:12,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 16:31:12,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 16:31:12,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 16:31:12,683 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 16:31:12,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 16:31:12,683 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 16:31:12,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 16:31:13,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 16:31:13,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 16:31:13,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 16:31:13,039 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 16:31:13,039 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 16:31:13,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2021-06-16 16:31:13,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31780bfa9/b6021ed267804932a0bcf83f15627577/FLAG20b722bdb [2021-06-16 16:31:13,449 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 16:31:13,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2021-06-16 16:31:13,449 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:31:13,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31780bfa9/b6021ed267804932a0bcf83f15627577/FLAG20b722bdb [2021-06-16 16:31:13,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31780bfa9/b6021ed267804932a0bcf83f15627577 [2021-06-16 16:31:13,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 16:31:13,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 16:31:13,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 16:31:13,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 16:31:13,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 16:31:13,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:31:13" (1/1) ... [2021-06-16 16:31:13,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21037b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:13, skipping insertion in model container [2021-06-16 16:31:13,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:31:13" (1/1) ... [2021-06-16 16:31:13,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 16:31:13,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 16:31:14,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:31:14,043 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 16:31:14,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:31:14,100 INFO L208 MainTranslator]: Completed translation [2021-06-16 16:31:14,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14 WrapperNode [2021-06-16 16:31:14,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 16:31:14,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 16:31:14,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 16:31:14,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 16:31:14,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14" (1/1) ... [2021-06-16 16:31:14,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14" (1/1) ... [2021-06-16 16:31:14,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 16:31:14,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 16:31:14,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 16:31:14,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 16:31:14,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14" (1/1) ... [2021-06-16 16:31:14,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14" (1/1) ... [2021-06-16 16:31:14,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14" (1/1) ... [2021-06-16 16:31:14,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14" (1/1) ... [2021-06-16 16:31:14,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14" (1/1) ... [2021-06-16 16:31:14,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14" (1/1) ... [2021-06-16 16:31:14,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14" (1/1) ... [2021-06-16 16:31:14,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 16:31:14,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 16:31:14,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 16:31:14,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 16:31:14,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14" (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 [2021-06-16 16:31:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 16:31:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 16:31:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 16:31:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-16 16:31:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-16 16:31:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 16:31:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 16:31:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 16:31:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 16:31:14,222 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 16:31:14,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 16:31:14,442 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-06-16 16:31:14,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:31:14 BoogieIcfgContainer [2021-06-16 16:31:14,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 16:31:14,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 16:31:14,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 16:31:14,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 16:31:14,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 04:31:13" (1/3) ... [2021-06-16 16:31:14,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f06d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:31:14, skipping insertion in model container [2021-06-16 16:31:14,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:31:14" (2/3) ... [2021-06-16 16:31:14,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f06d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:31:14, skipping insertion in model container [2021-06-16 16:31:14,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:31:14" (3/3) ... [2021-06-16 16:31:14,467 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-loop-after.c [2021-06-16 16:31:14,471 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 16:31:14,471 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 16:31:14,472 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 16:31:14,472 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 16:31:14,488 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,489 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,489 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,489 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,489 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,489 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,489 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,490 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,490 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,490 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,491 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,491 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,492 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,493 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,493 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,493 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:31:14,495 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 16:31:14,513 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 16:31:14,531 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:31:14,532 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:31:14,532 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:31:14,532 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:31:14,532 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:31:14,532 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:31:14,532 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:31:14,532 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == fooThread1of1ForFork0======== [2021-06-16 16:31:14,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 81 states have (on average 1.4691358024691359) internal successors, (119), 95 states have internal predecessors, (119), 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) [2021-06-16 16:31:14,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-06-16 16:31:14,613 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:31:14,613 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:31:14,614 INFO L430 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:31:14,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:31:14,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1669332040, now seen corresponding path program 1 times [2021-06-16 16:31:14,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:31:14,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972472983] [2021-06-16 16:31:14,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:31:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:31:14,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:31:14,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:31:14,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:31:14,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:31:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:31:14,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:31:14,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972472983] [2021-06-16 16:31:14,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972472983] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:31:14,734 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:31:14,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 16:31:14,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602933] [2021-06-16 16:31:14,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 16:31:14,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:31:14,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 16:31:14,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 16:31:14,750 INFO L87 Difference]: Start difference. First operand has 96 states, 81 states have (on average 1.4691358024691359) internal successors, (119), 95 states have internal predecessors, (119), 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 7.5) 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) [2021-06-16 16:31:14,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:31:14,772 INFO L93 Difference]: Finished difference Result 74 states and 83 transitions. [2021-06-16 16:31:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 16:31:14,774 INFO L78 Accepts]: Start accepts. 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) Word has length 15 [2021-06-16 16:31:14,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:31:14,780 INFO L225 Difference]: With dead ends: 74 [2021-06-16 16:31:14,780 INFO L226 Difference]: Without dead ends: 25 [2021-06-16 16:31:14,781 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 16:31:14,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-06-16 16:31:14,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-06-16 16:31:14,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 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) [2021-06-16 16:31:14,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-06-16 16:31:14,806 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 15 [2021-06-16 16:31:14,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:31:14,806 INFO L482 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-06-16 16:31:14,807 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) [2021-06-16 16:31:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-06-16 16:31:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-06-16 16:31:14,807 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:31:14,808 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:31:14,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 16:31:14,808 INFO L430 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:31:14,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:31:14,809 INFO L82 PathProgramCache]: Analyzing trace with hash -475558928, now seen corresponding path program 1 times [2021-06-16 16:31:14,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:31:14,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913219959] [2021-06-16 16:31:14,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:31:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:31:14,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:31:14,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:31:14,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:31:14,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:31:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:31:14,840 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:31:14,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913219959] [2021-06-16 16:31:14,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913219959] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:31:14,841 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:31:14,841 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 16:31:14,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111377524] [2021-06-16 16:31:14,842 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 16:31:14,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:31:14,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 16:31:14,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 16:31:14,844 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-06-16 16:31:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:31:14,848 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2021-06-16 16:31:14,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 16:31:14,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-06-16 16:31:14,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:31:14,849 INFO L225 Difference]: With dead ends: 21 [2021-06-16 16:31:14,849 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 16:31:14,850 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 16:31:14,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 16:31:14,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 16:31:14,850 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) [2021-06-16 16:31:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 16:31:14,851 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-06-16 16:31:14,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:31:14,851 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 16:31:14,851 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-06-16 16:31:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 16:31:14,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:31:14,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 16:31:14,852 INFO L301 ceAbstractionStarter]: Result for error location fooThread1of1ForFork0 was SAFE (1/3) [2021-06-16 16:31:14,854 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 16:31:14,855 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:31:14,855 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:31:14,856 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:31:14,856 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:31:14,856 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:31:14,856 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:31:14,856 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:31:14,856 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == foo======== [2021-06-16 16:31:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 81 states have (on average 1.4691358024691359) internal successors, (119), 95 states have internal predecessors, (119), 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) [2021-06-16 16:31:14,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:31:14,878 INFO L301 ceAbstractionStarter]: Result for error location foo was SAFE (2/3) [2021-06-16 16:31:14,879 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 16:31:14,881 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:31:14,881 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:31:14,882 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:31:14,882 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:31:14,882 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:31:14,882 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:31:14,882 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:31:14,882 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 16:31:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 81 states have (on average 1.4691358024691359) internal successors, (119), 95 states have internal predecessors, (119), 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) [2021-06-16 16:31:14,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:31:14,902 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (3/3) [2021-06-16 16:31:14,902 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 16:31:14,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 04:31:14 BasicIcfg [2021-06-16 16:31:14,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 16:31:14,905 INFO L168 Benchmark]: Toolchain (without parser) took 1045.69 ms. Allocated memory is still 182.5 MB. Free memory was 144.8 MB in the beginning and 115.4 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:31:14,906 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 182.5 MB. Free memory is still 162.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:31:14,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.83 ms. Allocated memory is still 182.5 MB. Free memory was 144.5 MB in the beginning and 165.7 MB in the end (delta: -21.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. [2021-06-16 16:31:14,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.40 ms. Allocated memory is still 182.5 MB. Free memory was 165.2 MB in the beginning and 164.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:31:14,908 INFO L168 Benchmark]: Boogie Preprocessor took 24.68 ms. Allocated memory is still 182.5 MB. Free memory was 164.1 MB in the beginning and 163.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:31:14,908 INFO L168 Benchmark]: RCFGBuilder took 300.15 ms. Allocated memory is still 182.5 MB. Free memory was 163.0 MB in the beginning and 149.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-16 16:31:14,909 INFO L168 Benchmark]: TraceAbstraction took 442.38 ms. Allocated memory is still 182.5 MB. Free memory was 149.5 MB in the beginning and 115.4 MB in the end (delta: 34.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2021-06-16 16:31:14,911 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 182.5 MB. Free memory is still 162.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 239.83 ms. Allocated memory is still 182.5 MB. Free memory was 144.5 MB in the beginning and 165.7 MB in the end (delta: -21.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.40 ms. Allocated memory is still 182.5 MB. Free memory was 165.2 MB in the beginning and 164.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.68 ms. Allocated memory is still 182.5 MB. Free memory was 164.1 MB in the beginning and 163.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 300.15 ms. Allocated memory is still 182.5 MB. Free memory was 163.0 MB in the beginning and 149.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 442.38 ms. Allocated memory is still 182.5 MB. Free memory was 149.5 MB in the beginning and 115.4 MB in the end (delta: 34.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 99, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 78, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 78, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 78, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 78, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 78, unknown conditional: 0, unknown unconditional: 78] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 21 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 99, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 78, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 78, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 78, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 78, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 78, unknown conditional: 0, unknown unconditional: 78] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 21 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 99, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 78, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 78, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 78, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 78, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 78, unknown conditional: 0, unknown unconditional: 78] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 21 - 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, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 322.9ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 7.3ms, AutomataDifference: 50.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 73.5ms, PartialOrderReductionTime: 63.5ms, HoareTripleCheckerStatistics: 49 SDtfs, 22 SDslu, 24 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 14.7ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.6ms SsaConstructionTime, 23.7ms SatisfiabilityAnalysisTime, 65.8ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 2.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.5ms, PartialOrderReductionTime: 18.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 1.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.4ms, PartialOrderReductionTime: 16.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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...