/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 10:21:17,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 10:21:17,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 10:21:17,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 10:21:17,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 10:21:17,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 10:21:17,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 10:21:17,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 10:21:17,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 10:21:17,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 10:21:17,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 10:21:17,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 10:21:17,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 10:21:17,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 10:21:17,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 10:21:17,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 10:21:17,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 10:21:17,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 10:21:17,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 10:21:17,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 10:21:17,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 10:21:17,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 10:21:17,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 10:21:17,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 10:21:17,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 10:21:17,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 10:21:17,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 10:21:17,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 10:21:17,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 10:21:17,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 10:21:17,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 10:21:17,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 10:21:17,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 10:21:17,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 10:21:17,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 10:21:17,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 10:21:17,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 10:21:17,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 10:21:17,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 10:21:17,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 10:21:17,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 10:21:17,888 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.epf [2021-07-10 10:21:17,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 10:21:17,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 10:21:17,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 10:21:17,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 10:21:17,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 10:21:17,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 10:21:17,919 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 10:21:17,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 10:21:17,920 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 10:21:17,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 10:21:17,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 10:21:17,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 10:21:17,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 10:21:17,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 10:21:17,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 10:21:17,921 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 10:21:17,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 10:21:17,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 10:21:17,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 10:21:17,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 10:21:17,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 10:21:17,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 10:21:17,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 10:21:17,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 10:21:17,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 10:21:17,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 10:21:17,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 10:21:17,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 10:21:17,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 10:21:17,922 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 10:21:17,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 10:21:17,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 10:21:17,923 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 10:21:17,923 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 10:21:18,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 10:21:18,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 10:21:18,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 10:21:18,158 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 10:21:18,158 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 10:21:18,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i [2021-07-10 10:21:18,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13447221/66fe7d7d421a4ba9902d314ccad29c27/FLAG1aa2b118b [2021-07-10 10:21:18,638 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 10:21:18,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i [2021-07-10 10:21:18,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13447221/66fe7d7d421a4ba9902d314ccad29c27/FLAG1aa2b118b [2021-07-10 10:21:18,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13447221/66fe7d7d421a4ba9902d314ccad29c27 [2021-07-10 10:21:18,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 10:21:18,678 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 10:21:18,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 10:21:18,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 10:21:18,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 10:21:18,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 10:21:18" (1/1) ... [2021-07-10 10:21:18,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4572d0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:18, skipping insertion in model container [2021-07-10 10:21:18,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 10:21:18" (1/1) ... [2021-07-10 10:21:18,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 10:21:18,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 10:21:18,864 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i[950,963] [2021-07-10 10:21:18,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 10:21:18,988 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 10:21:18,996 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i[950,963] [2021-07-10 10:21:19,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 10:21:19,052 INFO L208 MainTranslator]: Completed translation [2021-07-10 10:21:19,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19 WrapperNode [2021-07-10 10:21:19,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 10:21:19,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 10:21:19,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 10:21:19,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 10:21:19,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19" (1/1) ... [2021-07-10 10:21:19,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19" (1/1) ... [2021-07-10 10:21:19,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 10:21:19,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 10:21:19,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 10:21:19,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 10:21:19,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19" (1/1) ... [2021-07-10 10:21:19,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19" (1/1) ... [2021-07-10 10:21:19,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19" (1/1) ... [2021-07-10 10:21:19,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19" (1/1) ... [2021-07-10 10:21:19,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19" (1/1) ... [2021-07-10 10:21:19,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19" (1/1) ... [2021-07-10 10:21:19,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19" (1/1) ... [2021-07-10 10:21:19,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 10:21:19,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 10:21:19,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 10:21:19,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 10:21:19,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19" (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 [2021-07-10 10:21:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 10:21:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 10:21:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 10:21:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 10:21:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-10 10:21:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-10 10:21:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-10 10:21:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-10 10:21:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 10:21:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 10:21:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 10:21:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 10:21:19,193 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 10:21:19,481 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 10:21:19,481 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-10 10:21:19,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:21:19 BoogieIcfgContainer [2021-07-10 10:21:19,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 10:21:19,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 10:21:19,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 10:21:19,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 10:21:19,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 10:21:18" (1/3) ... [2021-07-10 10:21:19,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea3db0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 10:21:19, skipping insertion in model container [2021-07-10 10:21:19,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:21:19" (2/3) ... [2021-07-10 10:21:19,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea3db0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 10:21:19, skipping insertion in model container [2021-07-10 10:21:19,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:21:19" (3/3) ... [2021-07-10 10:21:19,489 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_tso.oepc.i [2021-07-10 10:21:19,492 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 10:21:19,493 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 10:21:19,493 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 10:21:19,493 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 10:21:19,521 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,521 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,522 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,522 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,522 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,522 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,523 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,523 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,524 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,524 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,525 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,525 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,526 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,526 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,527 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,527 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,528 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,528 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,528 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,530 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,530 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,535 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,535 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,536 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 10:21:19,541 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 10:21:19,557 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-07-10 10:21:19,649 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 10:21:19,650 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 10:21:19,650 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 10:21:19,650 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 10:21:19,650 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 10:21:19,650 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 10:21:19,650 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 10:21:19,650 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 10:21:19,794 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 10:21:19,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:21:19,798 INFO L82 PathProgramCache]: Analyzing trace with hash 49980174, now seen corresponding path program 1 times [2021-07-10 10:21:19,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:21:19,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249096458] [2021-07-10 10:21:19,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:21:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:21:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:21:20,039 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:21:20,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249096458] [2021-07-10 10:21:20,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249096458] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:21:20,040 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:21:20,040 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 10:21:20,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772124511] [2021-07-10 10:21:20,043 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 10:21:20,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:21:20,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 10:21:20,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 10:21:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,067 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:21:20,082 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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) [2021-07-10 10:21:20,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,087 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 10:21:20,087 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 10:21:20,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:21:20,088 INFO L82 PathProgramCache]: Analyzing trace with hash 806251978, now seen corresponding path program 1 times [2021-07-10 10:21:20,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:21:20,088 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790806593] [2021-07-10 10:21:20,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:21:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:21:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:21:20,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:21:20,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790806593] [2021-07-10 10:21:20,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790806593] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:21:20,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:21:20,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-10 10:21:20,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614550311] [2021-07-10 10:21:20,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 10:21:20,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:21:20,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 10:21:20,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-10 10:21:20,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,333 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:21:20,334 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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) [2021-07-10 10:21:20,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:21:20,485 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 10:21:20,485 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 10:21:20,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:21:20,485 INFO L82 PathProgramCache]: Analyzing trace with hash 671456206, now seen corresponding path program 1 times [2021-07-10 10:21:20,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:21:20,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256512812] [2021-07-10 10:21:20,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:21:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:21:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:21:20,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:21:20,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256512812] [2021-07-10 10:21:20,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256512812] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:21:20,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:21:20,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 10:21:20,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817417792] [2021-07-10 10:21:20,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 10:21:20,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:21:20,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 10:21:20,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 10:21:20,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:21:20,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2021-07-10 10:21:20,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:21:20,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 10:21:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:21:20,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 10:21:20,832 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 10:21:20,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:21:20,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1976543837, now seen corresponding path program 1 times [2021-07-10 10:21:20,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:21:20,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378227570] [2021-07-10 10:21:20,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:21:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:21:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:21:20,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:21:20,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378227570] [2021-07-10 10:21:20,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378227570] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:21:20,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:21:20,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 10:21:20,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664868065] [2021-07-10 10:21:20,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 10:21:20,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:21:20,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 10:21:20,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-10 10:21:20,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,931 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:21:20,931 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) [2021-07-10 10:21:20,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:20,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 10:21:20,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:21:20,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:21,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:21:21,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 10:21:21,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:21:21,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 10:21:21,066 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 10:21:21,082 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 10:21:21,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 10:21:21 BasicIcfg [2021-07-10 10:21:21,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 10:21:21,085 INFO L168 Benchmark]: Toolchain (without parser) took 2406.44 ms. Allocated memory is still 221.2 MB. Free memory was 183.0 MB in the beginning and 139.4 MB in the end (delta: 43.6 MB). Peak memory consumption was 45.0 MB. Max. memory is 8.0 GB. [2021-07-10 10:21:21,085 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 221.2 MB. Free memory is still 201.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 10:21:21,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.33 ms. Allocated memory is still 221.2 MB. Free memory was 182.8 MB in the beginning and 194.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-10 10:21:21,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.22 ms. Allocated memory is still 221.2 MB. Free memory was 194.2 MB in the beginning and 192.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 10:21:21,085 INFO L168 Benchmark]: Boogie Preprocessor took 26.93 ms. Allocated memory is still 221.2 MB. Free memory was 192.0 MB in the beginning and 190.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 10:21:21,086 INFO L168 Benchmark]: RCFGBuilder took 357.74 ms. Allocated memory is still 221.2 MB. Free memory was 190.5 MB in the beginning and 169.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-07-10 10:21:21,086 INFO L168 Benchmark]: TraceAbstraction took 1600.77 ms. Allocated memory is still 221.2 MB. Free memory was 168.5 MB in the beginning and 139.4 MB in the end (delta: 29.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. [2021-07-10 10:21:21,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 221.2 MB. Free memory is still 201.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 373.33 ms. Allocated memory is still 221.2 MB. Free memory was 182.8 MB in the beginning and 194.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.22 ms. Allocated memory is still 221.2 MB. Free memory was 194.2 MB in the beginning and 192.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.93 ms. Allocated memory is still 221.2 MB. Free memory was 192.0 MB in the beginning and 190.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 357.74 ms. Allocated memory is still 221.2 MB. Free memory was 190.5 MB in the beginning and 169.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1600.77 ms. Allocated memory is still 221.2 MB. Free memory was 168.5 MB in the beginning and 139.4 MB in the end (delta: 29.1 MB). Peak memory consumption was 30.7 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: 2754, positive: 2689, positive conditional: 729, positive unconditional: 1960, negative: 65, negative conditional: 39, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2736, positive: 2689, positive conditional: 729, positive unconditional: 1960, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2736, positive: 2670, positive conditional: 0, positive unconditional: 2670, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 577, positive: 562, positive conditional: 0, positive unconditional: 562, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 577, positive: 560, positive conditional: 0, positive unconditional: 560, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 89, negative conditional: 7, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2736, positive: 2108, positive conditional: 0, positive unconditional: 2108, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 577, unknown conditional: 0, unknown unconditional: 577] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 565, Positive conditional cache size: 3, Positive unconditional cache size: 562, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, SemanticConditionEliminator.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 89, negative conditional: 7, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 183, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 161, negative conditional: 14, negative unconditional: 147, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 565, Positive conditional cache size: 3, Positive unconditional cache size: 562, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 92, SemanticConditionEliminator.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 89, negative conditional: 7, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 183, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 161, negative conditional: 14, negative unconditional: 147, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 565, Positive conditional cache size: 3, Positive unconditional cache size: 562, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 92, SemanticConditionEliminator.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 89, negative conditional: 7, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 183, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 161, negative conditional: 14, negative unconditional: 147, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 565, Positive conditional cache size: 3, Positive unconditional cache size: 562, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 92, SemanticConditionEliminator.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 89, negative conditional: 7, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 183, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 161, negative conditional: 14, negative unconditional: 147, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 565, Positive conditional cache size: 3, Positive unconditional cache size: 562, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 92 ], Maximal queried relation: 4, Independence queries for same thread: 18 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 150, Number of persistent set computation: 119, Number of trivial persistent sets: 57, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2754, positive: 2689, positive conditional: 729, positive unconditional: 1960, negative: 65, negative conditional: 39, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2736, positive: 2689, positive conditional: 729, positive unconditional: 1960, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2736, positive: 2670, positive conditional: 0, positive unconditional: 2670, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 577, positive: 562, positive conditional: 0, positive unconditional: 562, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 577, positive: 560, positive conditional: 0, positive unconditional: 560, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 89, negative conditional: 7, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2736, positive: 2108, positive conditional: 0, positive unconditional: 2108, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 577, unknown conditional: 0, unknown unconditional: 577] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 565, Positive conditional cache size: 3, Positive unconditional cache size: 562, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, SemanticConditionEliminator.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 89, negative conditional: 7, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 183, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 161, negative conditional: 14, negative unconditional: 147, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 565, Positive conditional cache size: 3, Positive unconditional cache size: 562, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 92, SemanticConditionEliminator.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 89, negative conditional: 7, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 183, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 161, negative conditional: 14, negative unconditional: 147, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 565, Positive conditional cache size: 3, Positive unconditional cache size: 562, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 92, SemanticConditionEliminator.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 89, negative conditional: 7, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 183, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 161, negative conditional: 14, negative unconditional: 147, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 565, Positive conditional cache size: 3, Positive unconditional cache size: 562, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 92, SemanticConditionEliminator.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 183, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 164, negative conditional: 17, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 89, negative conditional: 7, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 183, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 161, negative conditional: 14, negative unconditional: 147, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 565, Positive conditional cache size: 3, Positive unconditional cache size: 562, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 92 ], Maximal queried relation: 4, Independence queries for same thread: 18 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1512.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.7ms, PartialOrderReductionTime: 635.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, 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: 25.1ms SsaConstructionTime, 114.3ms SatisfiabilityAnalysisTime, 438.1ms InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...