/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 12:16:12,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 12:16:12,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 12:16:13,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-07 12:16:13,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-07 12:16:13,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-07 12:16:13,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-07 12:16:13,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-07 12:16:13,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-07 12:16:13,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-07 12:16:13,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-07 12:16:13,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-07 12:16:13,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 12:16:13,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 12:16:13,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 12:16:13,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 12:16:13,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 12:16:13,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 12:16:13,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 12:16:13,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 12:16:13,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 12:16:13,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 12:16:13,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 12:16:13,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 12:16:13,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-07 12:16:13,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-07 12:16:13,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-07 12:16:13,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-07 12:16:13,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-07 12:16:13,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-07 12:16:13,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-07 12:16:13,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-07 12:16:13,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-07 12:16:13,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-07 12:16:13,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-07 12:16:13,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-07 12:16:13,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-07 12:16:13,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-07 12:16:13,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 12:16:13,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 12:16:13,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 12:16:13,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 12:16:13,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 12:16:13,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 12:16:13,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 12:16:13,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 12:16:13,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 12:16:13,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 12:16:13,124 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 12:16:13,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 12:16:13,124 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 12:16:13,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 12:16:13,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 12:16:13,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 12:16:13,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 12:16:13,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 12:16:13,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 12:16:13,126 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 12:16:13,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 12:16:13,126 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 12:16:13,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 12:16:13,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 12:16:13,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 12:16:13,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 12:16:13,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 12:16:13,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 12:16:13,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 12:16:13,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 12:16:13,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 12:16:13,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 12:16:13,127 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 12:16:13,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 12:16:13,128 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 12:16:13,128 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 12:16:13,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 12:16:13,128 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 12:16:13,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 12:16:13,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 12:16:13,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 12:16:13,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 12:16:13,447 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 12:16:13,447 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 12:16:13,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2021-06-07 12:16:13,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e51ac6772/bf41cb14bfc241e88bac60a6b2f7e453/FLAG8644e447f [2021-06-07 12:16:14,065 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 12:16:14,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2021-06-07 12:16:14,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e51ac6772/bf41cb14bfc241e88bac60a6b2f7e453/FLAG8644e447f [2021-06-07 12:16:14,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e51ac6772/bf41cb14bfc241e88bac60a6b2f7e453 [2021-06-07 12:16:14,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 12:16:14,486 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 12:16:14,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 12:16:14,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 12:16:14,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 12:16:14,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 12:16:14" (1/1) ... [2021-06-07 12:16:14,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7a8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:14, skipping insertion in model container [2021-06-07 12:16:14,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 12:16:14" (1/1) ... [2021-06-07 12:16:14,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 12:16:14,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 12:16:14,889 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/sync01.i[42004,42017] [2021-06-07 12:16:14,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 12:16:14,904 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 12:16:14,936 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/sync01.i[42004,42017] [2021-06-07 12:16:14,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 12:16:15,051 INFO L208 MainTranslator]: Completed translation [2021-06-07 12:16:15,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15 WrapperNode [2021-06-07 12:16:15,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 12:16:15,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 12:16:15,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 12:16:15,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 12:16:15,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15" (1/1) ... [2021-06-07 12:16:15,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15" (1/1) ... [2021-06-07 12:16:15,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 12:16:15,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 12:16:15,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 12:16:15,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 12:16:15,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15" (1/1) ... [2021-06-07 12:16:15,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15" (1/1) ... [2021-06-07 12:16:15,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15" (1/1) ... [2021-06-07 12:16:15,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15" (1/1) ... [2021-06-07 12:16:15,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15" (1/1) ... [2021-06-07 12:16:15,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15" (1/1) ... [2021-06-07 12:16:15,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15" (1/1) ... [2021-06-07 12:16:15,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 12:16:15,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 12:16:15,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 12:16:15,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 12:16:15,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15" (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 [2021-06-07 12:16:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 12:16:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 12:16:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-07 12:16:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 12:16:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 12:16:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 12:16:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 12:16:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 12:16:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-07 12:16:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 12:16:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 12:16:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 12:16:15,238 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 12:16:15,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 12:16:15,693 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-07 12:16:15,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 12:16:15 BoogieIcfgContainer [2021-06-07 12:16:15,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 12:16:15,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 12:16:15,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 12:16:15,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 12:16:15,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 12:16:14" (1/3) ... [2021-06-07 12:16:15,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3bb2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 12:16:15, skipping insertion in model container [2021-06-07 12:16:15,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:16:15" (2/3) ... [2021-06-07 12:16:15,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3bb2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 12:16:15, skipping insertion in model container [2021-06-07 12:16:15,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 12:16:15" (3/3) ... [2021-06-07 12:16:15,702 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-06-07 12:16:15,707 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 12:16:15,707 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 12:16:15,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 12:16:15,708 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 12:16:15,735 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,736 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,736 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,736 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,736 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,736 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,737 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,737 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,740 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,740 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,740 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,740 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,741 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,741 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,741 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,741 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,741 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,741 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,741 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,742 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,745 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,747 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,747 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,747 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,747 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,747 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,752 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,752 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,752 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,752 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,752 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,753 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,753 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:16:15,761 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-07 12:16:15,781 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 [2021-06-07 12:16:15,836 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 12:16:15,836 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 12:16:15,836 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 12:16:15,836 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 12:16:15,837 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 12:16:15,837 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 12:16:15,837 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 12:16:15,837 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 12:16:15,899 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:16:15,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:16:15,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1813907662, now seen corresponding path program 1 times [2021-06-07 12:16:15,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:16:15,915 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876190348] [2021-06-07 12:16:15,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:16:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:16:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:16:16,176 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:16:16,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876190348] [2021-06-07 12:16:16,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876190348] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:16:16,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:16:16,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 12:16:16,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634177374] [2021-06-07 12:16:16,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-07 12:16:16,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:16:16,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-07 12:16:16,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-07 12:16:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:16,206 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:16:16,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2021-06-07 12:16:16,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:16,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:16,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 12:16:16,239 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:16:16,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:16:16,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1659148974, now seen corresponding path program 1 times [2021-06-07 12:16:16,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:16:16,240 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906346377] [2021-06-07 12:16:16,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:16:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:16:16,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:16:16,356 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:16:16,356 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906346377] [2021-06-07 12:16:16,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906346377] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:16:16,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:16:16,357 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 12:16:16,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946668350] [2021-06-07 12:16:16,358 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 12:16:16,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:16:16,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 12:16:16,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 12:16:16,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:16,359 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:16:16,359 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-06-07 12:16:16,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:16,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:16:16,434 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 12:16:16,434 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:16:16,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:16:16,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1836001974, now seen corresponding path program 1 times [2021-06-07 12:16:16,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:16:16,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216135078] [2021-06-07 12:16:16,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:16:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:16:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:16:16,506 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:16:16,506 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216135078] [2021-06-07 12:16:16,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216135078] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:16:16,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:16:16,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 12:16:16,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323386567] [2021-06-07 12:16:16,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 12:16:16,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:16:16,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 12:16:16,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 12:16:16,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:16,509 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:16:16,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2021-06-07 12:16:16,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:16,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:16:16,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:16,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:16,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:16:16,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:16:16,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 12:16:16,565 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:16:16,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:16:16,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1075136560, now seen corresponding path program 2 times [2021-06-07 12:16:16,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:16:16,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586778671] [2021-06-07 12:16:16,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:16:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:16:16,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-07 12:16:16,922 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:16:16,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586778671] [2021-06-07 12:16:16,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586778671] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:16:16,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042694329] [2021-06-07 12:16:16,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:16:17,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 12:16:17,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 12:16:17,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 12:16:17,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:16:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:16:17,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042694329] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:16:17,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:16:17,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 14 [2021-06-07 12:16:17,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456134096] [2021-06-07 12:16:17,497 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-07 12:16:17,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:16:17,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-07 12:16:17,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-06-07 12:16:17,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:17,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:16:17,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 9.357142857142858) internal successors, (131), 14 states have internal predecessors, (131), 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) [2021-06-07 12:16:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:16:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:16:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:18,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:16:18,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:16:18,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:16:18,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 12:16:18,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:16:18,566 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 12:16:18,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 12:16:18 BasicIcfg [2021-06-07 12:16:18,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 12:16:18,569 INFO L168 Benchmark]: Toolchain (without parser) took 4083.09 ms. Allocated memory was 354.4 MB in the beginning and 434.1 MB in the end (delta: 79.7 MB). Free memory was 316.5 MB in the beginning and 362.0 MB in the end (delta: -45.5 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.0 GB. [2021-06-07 12:16:18,569 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 354.4 MB. Free memory was 334.8 MB in the beginning and 334.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 12:16:18,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.48 ms. Allocated memory is still 354.4 MB. Free memory was 316.3 MB in the beginning and 294.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.0 GB. [2021-06-07 12:16:18,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.80 ms. Allocated memory is still 354.4 MB. Free memory was 294.0 MB in the beginning and 291.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 12:16:18,569 INFO L168 Benchmark]: Boogie Preprocessor took 30.61 ms. Allocated memory is still 354.4 MB. Free memory was 291.9 MB in the beginning and 289.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 12:16:18,569 INFO L168 Benchmark]: RCFGBuilder took 571.56 ms. Allocated memory is still 354.4 MB. Free memory was 289.8 MB in the beginning and 261.6 MB in the end (delta: 28.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-07 12:16:18,570 INFO L168 Benchmark]: TraceAbstraction took 2871.84 ms. Allocated memory was 354.4 MB in the beginning and 434.1 MB in the end (delta: 79.7 MB). Free memory was 261.6 MB in the beginning and 362.0 MB in the end (delta: -100.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 12:16:18,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 354.4 MB. Free memory was 334.8 MB in the beginning and 334.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 565.48 ms. Allocated memory is still 354.4 MB. Free memory was 316.3 MB in the beginning and 294.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 38.80 ms. Allocated memory is still 354.4 MB. Free memory was 294.0 MB in the beginning and 291.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.61 ms. Allocated memory is still 354.4 MB. Free memory was 291.9 MB in the beginning and 289.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 571.56 ms. Allocated memory is still 354.4 MB. Free memory was 289.8 MB in the beginning and 261.6 MB in the end (delta: 28.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2871.84 ms. Allocated memory was 354.4 MB in the beginning and 434.1 MB in the end (delta: 79.7 MB). Free memory was 261.6 MB in the beginning and 362.0 MB in the end (delta: -100.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1160, positive: 929, positive conditional: 929, positive unconditional: 0, negative: 231, negative conditional: 231, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 942, positive: 929, positive conditional: 929, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 942, positive: 927, positive conditional: 0, positive unconditional: 927, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 335, positive: 330, positive conditional: 0, positive unconditional: 330, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 335, positive: 327, positive conditional: 0, positive unconditional: 327, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 32, positive conditional: 2, positive unconditional: 30, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 942, positive: 597, positive conditional: 0, positive unconditional: 597, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 335, unknown conditional: 0, unknown unconditional: 335] , Statistics on independence cache: Total cache size (in pairs): 339, Positive cache size: 331, Positive conditional cache size: 1, Positive unconditional cache size: 330, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 52, negative conditional: 11, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 52, negative conditional: 11, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 32, positive conditional: 2, positive unconditional: 30, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 49, negative conditional: 8, negative unconditional: 41, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 339, Positive cache size: 331, Positive conditional cache size: 1, Positive unconditional cache size: 330, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Eliminated conditions: 41, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 52, negative conditional: 11, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 52, negative conditional: 11, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 32, positive conditional: 2, positive unconditional: 30, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 49, negative conditional: 8, negative unconditional: 41, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 339, Positive cache size: 331, Positive conditional cache size: 1, Positive unconditional cache size: 330, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Eliminated conditions: 41, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 52, negative conditional: 11, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 52, negative conditional: 11, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 32, positive conditional: 2, positive unconditional: 30, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 49, negative conditional: 8, negative unconditional: 41, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 339, Positive cache size: 331, Positive conditional cache size: 1, Positive unconditional cache size: 330, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Eliminated conditions: 41, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 52, negative conditional: 11, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 52, negative conditional: 11, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 32, positive conditional: 2, positive unconditional: 30, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 49, negative conditional: 8, negative unconditional: 41, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 339, Positive cache size: 331, Positive conditional cache size: 1, Positive unconditional cache size: 330, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Eliminated conditions: 41 ], Maximal queried relation: 4, Independence queries for same thread: 218 - PositiveResult [Line: 966]: 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, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2769.2ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.2ms, PartialOrderReductionTime: 1048.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, 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: 57.1ms SsaConstructionTime, 177.6ms SatisfiabilityAnalysisTime, 977.2ms InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 409 ConstructedInterpolants, 0 QuantifiedInterpolants, 1494 SizeOfPredicates, 5 NumberOfNonLiveVariables, 215 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 13/18 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...