/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadExitSafe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 08:48:51,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 08:48:51,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 08:48:51,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 08:48:51,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 08:48:51,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 08:48:51,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 08:48:51,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 08:48:51,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 08:48:51,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 08:48:51,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 08:48:51,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 08:48:51,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 08:48:51,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 08:48:51,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 08:48:51,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 08:48:51,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 08:48:51,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 08:48:51,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 08:48:51,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 08:48:51,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 08:48:51,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 08:48:51,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 08:48:51,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 08:48:51,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 08:48:51,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 08:48:51,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 08:48:51,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 08:48:51,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 08:48:51,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 08:48:51,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 08:48:51,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 08:48:51,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 08:48:51,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 08:48:51,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 08:48:51,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 08:48:51,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 08:48:51,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 08:48:51,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 08:48:51,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 08:48:51,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 08:48:51,229 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.epf [2021-06-06 08:48:51,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 08:48:51,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 08:48:51,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 08:48:51,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 08:48:51,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 08:48:51,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 08:48:51,268 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 08:48:51,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 08:48:51,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 08:48:51,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 08:48:51,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 08:48:51,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 08:48:51,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 08:48:51,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 08:48:51,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 08:48:51,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 08:48:51,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 08:48:51,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 08:48:51,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 08:48:51,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 08:48:51,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 08:48:51,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 08:48:51,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 08:48:51,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 08:48:51,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 08:48:51,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 08:48:51,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 08:48:51,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 08:48:51,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 08:48:51,271 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 08:48:51,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 08:48:51,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 08:48:51,271 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 08:48:51,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 08:48:51,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 08:48:51,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 08:48:51,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 08:48:51,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 08:48:51,574 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 08:48:51,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadExitSafe.c [2021-06-06 08:48:51,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9582696/c39492ef7acd471b9ca882cb1c665d65/FLAG6b257ba83 [2021-06-06 08:48:51,968 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 08:48:51,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadExitSafe.c [2021-06-06 08:48:51,968 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-06 08:48:51,969 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-06 08:48:52,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9582696/c39492ef7acd471b9ca882cb1c665d65/FLAG6b257ba83 [2021-06-06 08:48:52,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9582696/c39492ef7acd471b9ca882cb1c665d65 [2021-06-06 08:48:52,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 08:48:52,024 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 08:48:52,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 08:48:52,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 08:48:52,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 08:48:52,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:48:52" (1/1) ... [2021-06-06 08:48:52,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0477be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52, skipping insertion in model container [2021-06-06 08:48:52,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:48:52" (1/1) ... [2021-06-06 08:48:52,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 08:48:52,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 08:48:52,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:48:52,212 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 08:48:52,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:48:52,239 INFO L208 MainTranslator]: Completed translation [2021-06-06 08:48:52,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52 WrapperNode [2021-06-06 08:48:52,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 08:48:52,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 08:48:52,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 08:48:52,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 08:48:52,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52" (1/1) ... [2021-06-06 08:48:52,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52" (1/1) ... [2021-06-06 08:48:52,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 08:48:52,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 08:48:52,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 08:48:52,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 08:48:52,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52" (1/1) ... [2021-06-06 08:48:52,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52" (1/1) ... [2021-06-06 08:48:52,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52" (1/1) ... [2021-06-06 08:48:52,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52" (1/1) ... [2021-06-06 08:48:52,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52" (1/1) ... [2021-06-06 08:48:52,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52" (1/1) ... [2021-06-06 08:48:52,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52" (1/1) ... [2021-06-06 08:48:52,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 08:48:52,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 08:48:52,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 08:48:52,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 08:48:52,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52" (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 [2021-06-06 08:48:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-06-06 08:48:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 08:48:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2021-06-06 08:48:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2021-06-06 08:48:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 08:48:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 08:48:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 08:48:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-06 08:48:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-06 08:48:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 08:48:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 08:48:52,366 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 08:48:52,691 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 08:48:52,692 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-06 08:48:52,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:48:52 BoogieIcfgContainer [2021-06-06 08:48:52,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 08:48:52,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 08:48:52,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 08:48:52,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 08:48:52,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 08:48:52" (1/3) ... [2021-06-06 08:48:52,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8e09c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:48:52, skipping insertion in model container [2021-06-06 08:48:52,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:52" (2/3) ... [2021-06-06 08:48:52,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8e09c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:48:52, skipping insertion in model container [2021-06-06 08:48:52,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:48:52" (3/3) ... [2021-06-06 08:48:52,700 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadExitSafe.c [2021-06-06 08:48:52,708 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 08:48:52,708 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 08:48:52,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 08:48:52,709 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 08:48:52,735 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,735 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,736 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,736 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,736 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,736 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,737 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,737 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,737 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,737 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,737 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,738 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,738 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,738 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,738 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,738 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,739 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,739 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,739 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,740 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,740 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,740 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,740 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,740 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,741 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,741 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,741 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,741 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,742 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,742 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,742 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,742 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,743 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,743 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,744 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,744 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,744 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,744 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,744 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,745 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,745 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,745 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,745 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,745 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,748 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,748 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,748 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,749 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,749 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,749 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,749 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,749 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:52,761 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-06 08:48:52,779 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 08:48:52,839 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 08:48:52,840 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 08:48:52,840 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 08:48:52,840 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 08:48:52,840 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 08:48:52,840 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 08:48:52,841 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 08:48:52,841 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 08:48:52,876 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 08:48:52,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:48:52,881 INFO L82 PathProgramCache]: Analyzing trace with hash 445838455, now seen corresponding path program 1 times [2021-06-06 08:48:52,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:48:52,888 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86567104] [2021-06-06 08:48:52,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:48:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:48:53,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:48:53,481 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:48:53,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86567104] [2021-06-06 08:48:53,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86567104] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:48:53,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:48:53,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-06 08:48:53,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698379574] [2021-06-06 08:48:53,489 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 08:48:53,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:48:53,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 08:48:53,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2021-06-06 08:48:53,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:53,506 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:48:53,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 18 states have internal predecessors, (35), 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) [2021-06-06 08:48:53,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:54,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 08:48:54,487 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 08:48:54,494 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 08:48:54,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 08:48:54 BasicIcfg [2021-06-06 08:48:54,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 08:48:54,497 INFO L168 Benchmark]: Toolchain (without parser) took 2473.43 ms. Allocated memory is still 337.6 MB. Free memory was 300.2 MB in the beginning and 276.9 MB in the end (delta: 23.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:54,498 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 337.6 MB. Free memory was 318.4 MB in the beginning and 318.3 MB in the end (delta: 69.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:48:54,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.43 ms. Allocated memory is still 337.6 MB. Free memory was 300.0 MB in the beginning and 320.8 MB in the end (delta: -20.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:54,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.40 ms. Allocated memory is still 337.6 MB. Free memory was 320.8 MB in the beginning and 318.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:48:54,503 INFO L168 Benchmark]: Boogie Preprocessor took 24.72 ms. Allocated memory is still 337.6 MB. Free memory was 318.7 MB in the beginning and 317.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:54,504 INFO L168 Benchmark]: RCFGBuilder took 398.31 ms. Allocated memory is still 337.6 MB. Free memory was 317.6 MB in the beginning and 298.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:54,506 INFO L168 Benchmark]: TraceAbstraction took 1801.32 ms. Allocated memory is still 337.6 MB. Free memory was 297.7 MB in the beginning and 276.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:54,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 337.6 MB. Free memory was 318.4 MB in the beginning and 318.3 MB in the end (delta: 69.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 214.43 ms. Allocated memory is still 337.6 MB. Free memory was 300.0 MB in the beginning and 320.8 MB in the end (delta: -20.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.40 ms. Allocated memory is still 337.6 MB. Free memory was 320.8 MB in the beginning and 318.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 24.72 ms. Allocated memory is still 337.6 MB. Free memory was 318.7 MB in the beginning and 317.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 398.31 ms. Allocated memory is still 337.6 MB. Free memory was 317.6 MB in the beginning and 298.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1801.32 ms. Allocated memory is still 337.6 MB. Free memory was 297.7 MB in the beginning and 276.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 41, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 40, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 8, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 36, unknown conditional: 0, unknown unconditional: 36] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 35, Positive conditional cache size: 0, Positive unconditional cache size: 35, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 8, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 35, Positive conditional cache size: 0, Positive unconditional cache size: 35, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 1 - PositiveResult [Line: 29]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 58 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1689.1ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 999.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 26, 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: 8.1ms SsaConstructionTime, 84.8ms SatisfiabilityAnalysisTime, 438.5ms InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...