/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 16:16:29,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 16:16:29,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 16:16:29,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 16:16:29,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 16:16:29,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 16:16:29,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 16:16:30,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 16:16:30,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 16:16:30,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 16:16:30,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 16:16:30,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 16:16:30,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 16:16:30,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 16:16:30,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 16:16:30,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 16:16:30,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 16:16:30,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 16:16:30,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 16:16:30,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 16:16:30,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 16:16:30,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 16:16:30,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 16:16:30,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 16:16:30,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 16:16:30,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 16:16:30,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 16:16:30,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 16:16:30,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 16:16:30,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 16:16:30,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 16:16:30,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 16:16:30,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 16:16:30,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 16:16:30,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 16:16:30,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 16:16:30,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 16:16:30,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 16:16:30,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 16:16:30,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 16:16:30,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 16:16:30,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2021-06-16 16:16:30,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 16:16:30,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 16:16:30,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 16:16:30,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 16:16:30,073 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 16:16:30,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 16:16:30,074 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 16:16:30,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 16:16:30,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 16:16:30,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 16:16:30,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 16:16:30,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 16:16:30,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 16:16:30,075 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 16:16:30,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 16:16:30,076 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 16:16:30,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 16:16:30,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 16:16:30,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 16:16:30,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 16:16:30,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 16:16:30,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:16:30,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 16:16:30,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 16:16:30,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 16:16:30,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 16:16:30,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 16:16:30,077 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 16:16:30,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 16:16:30,101 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 16:16:30,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 16:16:30,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 16:16:30,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 16:16:30,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 16:16:30,385 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 16:16:30,387 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 16:16:30,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-06-16 16:16:30,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3bb61cc/8906fc5ae65f40299fb73bc3daafeadb/FLAG6f8b7a6d8 [2021-06-16 16:16:31,093 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 16:16:31,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-06-16 16:16:31,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3bb61cc/8906fc5ae65f40299fb73bc3daafeadb/FLAG6f8b7a6d8 [2021-06-16 16:16:31,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3bb61cc/8906fc5ae65f40299fb73bc3daafeadb [2021-06-16 16:16:31,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 16:16:31,223 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 16:16:31,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 16:16:31,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 16:16:31,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 16:16:31,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:16:31" (1/1) ... [2021-06-16 16:16:31,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c4b0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31, skipping insertion in model container [2021-06-16 16:16:31,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:16:31" (1/1) ... [2021-06-16 16:16:31,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 16:16:31,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 16:16:31,559 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-06-16 16:16:31,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:16:31,584 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 16:16:31,617 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-06-16 16:16:31,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:16:31,670 INFO L208 MainTranslator]: Completed translation [2021-06-16 16:16:31,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31 WrapperNode [2021-06-16 16:16:31,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 16:16:31,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 16:16:31,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 16:16:31,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 16:16:31,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31" (1/1) ... [2021-06-16 16:16:31,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31" (1/1) ... [2021-06-16 16:16:31,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 16:16:31,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 16:16:31,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 16:16:31,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 16:16:31,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31" (1/1) ... [2021-06-16 16:16:31,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31" (1/1) ... [2021-06-16 16:16:31,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31" (1/1) ... [2021-06-16 16:16:31,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31" (1/1) ... [2021-06-16 16:16:31,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31" (1/1) ... [2021-06-16 16:16:31,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31" (1/1) ... [2021-06-16 16:16:31,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31" (1/1) ... [2021-06-16 16:16:31,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 16:16:31,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 16:16:31,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 16:16:31,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 16:16:31,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:16:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-16 16:16:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 16:16:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-16 16:16:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 16:16:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-06-16 16:16:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-06-16 16:16:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 16:16:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 16:16:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 16:16:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 16:16:31,798 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 16:16:32,087 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 16:16:32,087 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-06-16 16:16:32,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:16:32 BoogieIcfgContainer [2021-06-16 16:16:32,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 16:16:32,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 16:16:32,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 16:16:32,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 16:16:32,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 04:16:31" (1/3) ... [2021-06-16 16:16:32,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a2238f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:16:32, skipping insertion in model container [2021-06-16 16:16:32,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:16:31" (2/3) ... [2021-06-16 16:16:32,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a2238f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:16:32, skipping insertion in model container [2021-06-16 16:16:32,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:16:32" (3/3) ... [2021-06-16 16:16:32,104 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2021-06-16 16:16:32,109 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 16:16:32,109 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 16:16:32,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 16:16:32,109 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 16:16:32,136 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,136 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,136 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,136 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,137 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,137 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,137 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,137 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,137 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,137 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,137 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,137 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,137 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,137 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,138 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,138 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,140 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,140 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,140 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,140 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,142 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,142 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,142 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,142 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:16:32,151 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-16 16:16:32,166 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-16 16:16:32,179 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:16:32,179 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:16:32,179 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:16:32,179 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:16:32,180 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:16:32,180 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:16:32,180 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:16:32,180 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 16:16:32,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 603 states, 583 states have (on average 1.5008576329331047) internal successors, (875), 602 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 16:16:32,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-16 16:16:32,350 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:16:32,350 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:16:32,351 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 16:16:32,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:16:32,354 INFO L82 PathProgramCache]: Analyzing trace with hash 719747698, now seen corresponding path program 1 times [2021-06-16 16:16:32,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:16:32,360 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490166834] [2021-06-16 16:16:32,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:16:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:16:32,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:32,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:16:32,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:32,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 16:16:32,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:32,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-16 16:16:32,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:32,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:16:32,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:32,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:16:32,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:32,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:16:32,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:32,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-16 16:16:32,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:32,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-16 16:16:32,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:32,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:16:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:16:32,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:16:32,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490166834] [2021-06-16 16:16:32,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490166834] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:16:32,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:16:32,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-16 16:16:32,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175435426] [2021-06-16 16:16:32,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 16:16:32,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:16:32,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 16:16:32,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-06-16 16:16:32,680 INFO L87 Difference]: Start difference. First operand has 603 states, 583 states have (on average 1.5008576329331047) internal successors, (875), 602 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 16:16:32,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:16:32,985 INFO L93 Difference]: Finished difference Result 744 states and 899 transitions. [2021-06-16 16:16:32,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 16:16:32,987 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-16 16:16:32,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:16:33,011 INFO L225 Difference]: With dead ends: 744 [2021-06-16 16:16:33,011 INFO L226 Difference]: Without dead ends: 264 [2021-06-16 16:16:33,013 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 169.7ms TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2021-06-16 16:16:33,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2021-06-16 16:16:33,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2021-06-16 16:16:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 263 states have (on average 1.1977186311787071) internal successors, (315), 263 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 16:16:33,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 315 transitions. [2021-06-16 16:16:33,065 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 315 transitions. Word has length 46 [2021-06-16 16:16:33,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:16:33,065 INFO L482 AbstractCegarLoop]: Abstraction has 264 states and 315 transitions. [2021-06-16 16:16:33,065 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 16:16:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 315 transitions. [2021-06-16 16:16:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-06-16 16:16:33,070 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:16:33,070 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:16:33,070 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 16:16:33,071 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 16:16:33,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:16:33,074 INFO L82 PathProgramCache]: Analyzing trace with hash -7088932, now seen corresponding path program 1 times [2021-06-16 16:16:33,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:16:33,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847188751] [2021-06-16 16:16:33,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:16:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:16:33,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:33,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:16:33,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:33,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:16:33,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:16:33,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:16:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:16:33,129 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:16:33,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847188751] [2021-06-16 16:16:33,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847188751] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:16:33,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:16:33,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 16:16:33,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18518976] [2021-06-16 16:16:33,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 16:16:33,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:16:33,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 16:16:33,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 16:16:33,132 INFO L87 Difference]: Start difference. First operand 264 states and 315 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 16:16:33,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:16:33,156 INFO L93 Difference]: Finished difference Result 186 states and 200 transitions. [2021-06-16 16:16:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 16:16:33,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-06-16 16:16:33,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:16:33,159 INFO L225 Difference]: With dead ends: 186 [2021-06-16 16:16:33,159 INFO L226 Difference]: Without dead ends: 167 [2021-06-16 16:16:33,160 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 16:16:33,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-06-16 16:16:33,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 157. [2021-06-16 16:16:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 155 states have (on average 1.096774193548387) internal successors, (170), 156 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 16:16:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 170 transitions. [2021-06-16 16:16:33,169 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 170 transitions. Word has length 56 [2021-06-16 16:16:33,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:16:33,169 INFO L482 AbstractCegarLoop]: Abstraction has 157 states and 170 transitions. [2021-06-16 16:16:33,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 16:16:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2021-06-16 16:16:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-06-16 16:16:33,170 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:16:33,170 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:16:33,170 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 16:16:33,170 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 16:16:33,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:16:33,171 INFO L82 PathProgramCache]: Analyzing trace with hash 2087576850, now seen corresponding path program 1 times [2021-06-16 16:16:33,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:16:33,171 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333200264] [2021-06-16 16:16:33,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:16:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-16 16:16:33,192 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-16 16:16:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-16 16:16:33,214 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-16 16:16:33,248 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-16 16:16:33,248 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-16 16:16:33,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 16:16:33,252 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 16:16:33,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 04:16:33 BasicIcfg [2021-06-16 16:16:33,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 16:16:33,294 INFO L168 Benchmark]: Toolchain (without parser) took 2070.62 ms. Allocated memory was 203.4 MB in the beginning and 286.3 MB in the end (delta: 82.8 MB). Free memory was 168.2 MB in the beginning and 231.2 MB in the end (delta: -63.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 8.0 GB. [2021-06-16 16:16:33,297 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 203.4 MB. Free memory is still 186.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:16:33,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.96 ms. Allocated memory is still 203.4 MB. Free memory was 168.0 MB in the beginning and 166.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-16 16:16:33,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.45 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 164.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 16:16:33,298 INFO L168 Benchmark]: Boogie Preprocessor took 27.14 ms. Allocated memory is still 203.4 MB. Free memory was 164.4 MB in the beginning and 162.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:16:33,298 INFO L168 Benchmark]: RCFGBuilder took 346.05 ms. Allocated memory is still 203.4 MB. Free memory was 162.8 MB in the beginning and 136.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-06-16 16:16:33,298 INFO L168 Benchmark]: TraceAbstraction took 1203.69 ms. Allocated memory was 203.4 MB in the beginning and 286.3 MB in the end (delta: 82.8 MB). Free memory was 136.1 MB in the beginning and 231.2 MB in the end (delta: -95.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:16:33,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 203.4 MB. Free memory is still 186.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 446.96 ms. Allocated memory is still 203.4 MB. Free memory was 168.0 MB in the beginning and 166.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 41.45 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 164.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.14 ms. Allocated memory is still 203.4 MB. Free memory was 164.4 MB in the beginning and 162.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 346.05 ms. Allocated memory is still 203.4 MB. Free memory was 162.8 MB in the beginning and 136.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1203.69 ms. Allocated memory was 203.4 MB in the beginning and 286.3 MB in the end (delta: 82.8 MB). Free memory was 136.1 MB in the beginning and 231.2 MB in the end (delta: -95.2 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 882, positive: 710, positive conditional: 710, positive unconditional: 0, negative: 172, negative conditional: 172, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 710, positive conditional: 0, positive unconditional: 710, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 726, positive: 710, positive conditional: 0, positive unconditional: 710, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 726, positive: 698, positive conditional: 0, positive unconditional: 698, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 726, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 726, unknown conditional: 0, unknown unconditional: 726] , Statistics on independence cache: Total cache size (in pairs): 726, Positive cache size: 710, Positive conditional cache size: 0, Positive unconditional cache size: 710, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Independence queries for same thread: 156 - CounterExampleResult [Line: 684]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}] [L690] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}] [L691] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L700] 0 pthread_t id; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L701] 0 int i = 0; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L702] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={7:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}] [L693] 1 int *p = (int *) arg; VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] EXPR 1 \read(*p) VAL [\read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] 1 (*p)++ VAL [\read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L704] 0 \read(i) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L684] COND TRUE 0 !(cond) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L684] 0 reach_error() VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1071.7ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 17.7ms, AutomataDifference: 376.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 157.6ms, PartialOrderReductionTime: 147.0ms, HoareTripleCheckerStatistics: 237 SDtfs, 361 SDslu, 646 SDs, 0 SdLazy, 163 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 105.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 171.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=603occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 50.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.2ms SsaConstructionTime, 88.3ms SatisfiabilityAnalysisTime, 195.8ms InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...