/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/11a-double-end.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 12:42:00,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 12:42:00,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 12:42:00,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 12:42:00,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 12:42:00,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 12:42:00,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 12:42:00,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 12:42:00,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 12:42:00,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 12:42:00,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 12:42:00,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 12:42:00,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 12:42:00,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 12:42:00,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 12:42:00,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 12:42:00,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 12:42:00,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 12:42:00,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 12:42:00,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 12:42:00,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 12:42:00,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 12:42:00,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 12:42:00,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 12:42:00,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-17 12:42:00,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-17 12:42:00,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-17 12:42:00,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-17 12:42:00,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-17 12:42:00,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-17 12:42:00,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-17 12:42:00,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-17 12:42:00,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-17 12:42:00,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-17 12:42:00,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-17 12:42:00,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-17 12:42:00,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-17 12:42:00,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-17 12:42:00,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 12:42:00,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 12:42:00,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 12:42:00,716 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-06-17 12:42:00,753 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 12:42:00,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 12:42:00,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 12:42:00,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 12:42:00,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 12:42:00,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 12:42:00,755 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 12:42:00,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 12:42:00,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 12:42:00,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 12:42:00,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 12:42:00,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 12:42:00,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 12:42:00,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 12:42:00,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 12:42:00,756 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 12:42:00,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 12:42:00,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 12:42:00,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 12:42:00,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 12:42:00,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 12:42:00,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 12:42:00,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 12:42:00,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 12:42:00,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 12:42:00,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 12:42:00,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 12:42:00,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 12:42:00,758 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 12:42:00,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 12:42:00,758 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 12:42:00,758 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 12:42:00,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 12:42:00,758 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 12:42:00,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 12:42:00,759 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 12:42:01,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 12:42:01,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 12:42:01,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 12:42:01,101 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 12:42:01,101 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 12:42:01,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/11a-double-end.c [2021-06-17 12:42:01,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f46a9e39c/e27b5199ad9f457c92d2cf8d3ddd9ade/FLAGa480ceb75 [2021-06-17 12:42:01,516 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 12:42:01,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/11a-double-end.c [2021-06-17 12:42:01,517 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-17 12:42:01,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f46a9e39c/e27b5199ad9f457c92d2cf8d3ddd9ade/FLAGa480ceb75 [2021-06-17 12:42:01,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f46a9e39c/e27b5199ad9f457c92d2cf8d3ddd9ade [2021-06-17 12:42:01,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 12:42:01,890 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 12:42:01,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 12:42:01,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 12:42:01,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 12:42:01,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:42:01" (1/1) ... [2021-06-17 12:42:01,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49daf34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:01, skipping insertion in model container [2021-06-17 12:42:01,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:42:01" (1/1) ... [2021-06-17 12:42:01,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 12:42:01,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 12:42:02,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:42:02,026 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 12:42:02,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:42:02,055 INFO L208 MainTranslator]: Completed translation [2021-06-17 12:42:02,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02 WrapperNode [2021-06-17 12:42:02,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 12:42:02,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 12:42:02,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 12:42:02,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 12:42:02,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02" (1/1) ... [2021-06-17 12:42:02,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02" (1/1) ... [2021-06-17 12:42:02,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 12:42:02,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 12:42:02,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 12:42:02,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 12:42:02,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02" (1/1) ... [2021-06-17 12:42:02,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02" (1/1) ... [2021-06-17 12:42:02,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02" (1/1) ... [2021-06-17 12:42:02,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02" (1/1) ... [2021-06-17 12:42:02,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02" (1/1) ... [2021-06-17 12:42:02,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02" (1/1) ... [2021-06-17 12:42:02,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02" (1/1) ... [2021-06-17 12:42:02,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 12:42:02,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 12:42:02,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 12:42:02,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 12:42:02,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02" (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 [2021-06-17 12:42:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 12:42:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 12:42:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 12:42:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-17 12:42:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-17 12:42:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 12:42:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 12:42:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 12:42:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 12:42:02,186 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 12:42:02,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 12:42:02,383 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-17 12:42:02,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:42:02 BoogieIcfgContainer [2021-06-17 12:42:02,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 12:42:02,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 12:42:02,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 12:42:02,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 12:42:02,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 12:42:01" (1/3) ... [2021-06-17 12:42:02,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c0450e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:42:02, skipping insertion in model container [2021-06-17 12:42:02,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:42:02" (2/3) ... [2021-06-17 12:42:02,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c0450e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:42:02, skipping insertion in model container [2021-06-17 12:42:02,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:42:02" (3/3) ... [2021-06-17 12:42:02,389 INFO L111 eAbstractionObserver]: Analyzing ICFG 11a-double-end.c [2021-06-17 12:42:02,392 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 12:42:02,392 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 12:42:02,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 12:42:02,393 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 12:42:02,433 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,434 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,434 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,434 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,434 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,434 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,434 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,434 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,435 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,435 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,435 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,435 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,436 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,436 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,436 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,437 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:42:02,438 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-17 12:42:02,452 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 12:42:02,494 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 12:42:02,494 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 12:42:02,494 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 12:42:02,494 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 12:42:02,494 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 12:42:02,495 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 12:42:02,495 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 12:42:02,495 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 12:42:02,566 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:42:02,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:42:02,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1578001503, now seen corresponding path program 1 times [2021-06-17 12:42:02,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:42:02,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039119471] [2021-06-17 12:42:02,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:42:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:42:02,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:42:02,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:42:02,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039119471] [2021-06-17 12:42:02,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039119471] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:42:02,726 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:42:02,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 12:42:02,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256665303] [2021-06-17 12:42:02,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 12:42:02,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:42:02,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 12:42:02,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 12:42:02,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:42:02,740 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:42:02,742 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-06-17 12:42:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:42:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:42:02,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 12:42:02,788 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:42:02,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:42:02,790 INFO L82 PathProgramCache]: Analyzing trace with hash 361327240, now seen corresponding path program 1 times [2021-06-17 12:42:02,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:42:02,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907600940] [2021-06-17 12:42:02,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:42:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:42:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:42:02,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:42:02,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907600940] [2021-06-17 12:42:02,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907600940] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:42:02,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:42:02,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 12:42:02,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271334468] [2021-06-17 12:42:02,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 12:42:02,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:42:02,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 12:42:02,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 12:42:02,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:42:02,846 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:42:02,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-06-17 12:42:02,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:42:02,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:42:02,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:42:02,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:42:02,907 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 12:42:02,920 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 12:42:02,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 12:42:02 BasicIcfg [2021-06-17 12:42:02,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 12:42:02,922 INFO L168 Benchmark]: Toolchain (without parser) took 1032.17 ms. Allocated memory is still 166.7 MB. Free memory was 129.9 MB in the beginning and 102.7 MB in the end (delta: 27.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. [2021-06-17 12:42:02,924 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 166.7 MB. Free memory is still 148.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 12:42:02,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.01 ms. Allocated memory is still 166.7 MB. Free memory was 129.7 MB in the beginning and 149.9 MB in the end (delta: -20.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. [2021-06-17 12:42:02,927 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.42 ms. Allocated memory is still 166.7 MB. Free memory was 149.9 MB in the beginning and 148.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 12:42:02,928 INFO L168 Benchmark]: Boogie Preprocessor took 17.56 ms. Allocated memory is still 166.7 MB. Free memory was 148.3 MB in the beginning and 147.8 MB in the end (delta: 519.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 12:42:02,928 INFO L168 Benchmark]: RCFGBuilder took 274.14 ms. Allocated memory is still 166.7 MB. Free memory was 147.6 MB in the beginning and 134.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-17 12:42:02,928 INFO L168 Benchmark]: TraceAbstraction took 535.98 ms. Allocated memory is still 166.7 MB. Free memory was 134.1 MB in the beginning and 102.7 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2021-06-17 12:42:02,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 166.7 MB. Free memory is still 148.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 167.01 ms. Allocated memory is still 166.7 MB. Free memory was 129.7 MB in the beginning and 149.9 MB in the end (delta: -20.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.42 ms. Allocated memory is still 166.7 MB. Free memory was 149.9 MB in the beginning and 148.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.56 ms. Allocated memory is still 166.7 MB. Free memory was 148.3 MB in the beginning and 147.8 MB in the end (delta: 519.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 274.14 ms. Allocated memory is still 166.7 MB. Free memory was 147.6 MB in the beginning and 134.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 535.98 ms. Allocated memory is still 166.7 MB. Free memory was 134.1 MB in the beginning and 102.7 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 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: 208, positive: 189, positive conditional: 78, positive unconditional: 111, negative: 19, negative conditional: 15, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 195, positive: 189, positive conditional: 78, positive unconditional: 111, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 195, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 58, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 58, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 195, positive: 133, positive conditional: 0, positive unconditional: 133, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 1, Positive unconditional cache size: 55, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 8, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 1, Positive unconditional cache size: 55, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 3, SemanticConditionEliminator.Independence Queries: [ total: 8, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 1, Positive unconditional cache size: 55, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 3 ], Maximal queried relation: 2, Independence queries for same thread: 13 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 89, Number of persistent set computation: 255, Number of trivial persistent sets: 220, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 208, positive: 189, positive conditional: 78, positive unconditional: 111, negative: 19, negative conditional: 15, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 195, positive: 189, positive conditional: 78, positive unconditional: 111, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 195, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 58, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 58, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 195, positive: 133, positive conditional: 0, positive unconditional: 133, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 1, Positive unconditional cache size: 55, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 8, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 1, Positive unconditional cache size: 55, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 3, SemanticConditionEliminator.Independence Queries: [ total: 8, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 1, Positive unconditional cache size: 55, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 3 ], Maximal queried relation: 2, Independence queries for same thread: 13 - PositiveResult [Line: 36]: 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, 35 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 448.1ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.2ms, PartialOrderReductionTime: 167.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.9ms SsaConstructionTime, 34.3ms SatisfiabilityAnalysisTime, 93.2ms InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...