/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 05:12:44,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 05:12:44,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 05:12:44,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 05:12:44,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 05:12:44,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 05:12:44,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 05:12:44,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 05:12:44,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 05:12:44,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 05:12:44,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 05:12:44,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 05:12:44,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 05:12:44,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 05:12:44,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 05:12:44,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 05:12:44,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 05:12:44,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 05:12:44,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 05:12:44,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 05:12:44,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 05:12:44,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 05:12:44,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 05:12:44,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 05:12:44,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 05:12:44,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 05:12:44,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 05:12:44,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 05:12:44,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 05:12:44,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 05:12:44,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 05:12:44,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 05:12:44,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 05:12:44,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 05:12:44,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 05:12:44,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 05:12:44,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 05:12:44,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 05:12:44,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 05:12:44,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 05:12:44,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 05:12:44,257 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 05:12:44,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 05:12:44,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 05:12:44,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 05:12:44,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 05:12:44,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 05:12:44,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 05:12:44,298 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 05:12:44,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 05:12:44,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 05:12:44,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 05:12:44,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 05:12:44,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 05:12:44,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 05:12:44,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 05:12:44,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 05:12:44,300 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 05:12:44,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 05:12:44,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 05:12:44,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 05:12:44,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 05:12:44,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 05:12:44,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 05:12:44,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 05:12:44,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 05:12:44,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 05:12:44,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 05:12:44,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 05:12:44,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 05:12:44,313 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 05:12:44,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 05:12:44,313 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 05:12:44,313 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 05:12:44,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 05:12:44,314 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 05:12:44,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 05:12:44,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 05:12:44,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 05:12:44,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 05:12:44,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 05:12:44,655 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 05:12:44,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2021-07-14 05:12:44,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128ba8ebc/32a738e7224247a8b7b682f61862fed1/FLAG98e923e52 [2021-07-14 05:12:45,137 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 05:12:45,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2021-07-14 05:12:45,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128ba8ebc/32a738e7224247a8b7b682f61862fed1/FLAG98e923e52 [2021-07-14 05:12:45,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128ba8ebc/32a738e7224247a8b7b682f61862fed1 [2021-07-14 05:12:45,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 05:12:45,520 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 05:12:45,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 05:12:45,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 05:12:45,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 05:12:45,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:12:45" (1/1) ... [2021-07-14 05:12:45,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4ac35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:45, skipping insertion in model container [2021-07-14 05:12:45,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:12:45" (1/1) ... [2021-07-14 05:12:45,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 05:12:45,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 05:12:45,927 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2021-07-14 05:12:45,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 05:12:45,941 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 05:12:45,974 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2021-07-14 05:12:45,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 05:12:46,027 INFO L208 MainTranslator]: Completed translation [2021-07-14 05:12:46,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46 WrapperNode [2021-07-14 05:12:46,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 05:12:46,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 05:12:46,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 05:12:46,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 05:12:46,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46" (1/1) ... [2021-07-14 05:12:46,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46" (1/1) ... [2021-07-14 05:12:46,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 05:12:46,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 05:12:46,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 05:12:46,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 05:12:46,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46" (1/1) ... [2021-07-14 05:12:46,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46" (1/1) ... [2021-07-14 05:12:46,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46" (1/1) ... [2021-07-14 05:12:46,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46" (1/1) ... [2021-07-14 05:12:46,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46" (1/1) ... [2021-07-14 05:12:46,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46" (1/1) ... [2021-07-14 05:12:46,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46" (1/1) ... [2021-07-14 05:12:46,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 05:12:46,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 05:12:46,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 05:12:46,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 05:12:46,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 05:12:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 05:12:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 05:12:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 05:12:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 05:12:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 05:12:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 05:12:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 05:12:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 05:12:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 05:12:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 05:12:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 05:12:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 05:12:46,157 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 05:12:46,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 05:12:46,610 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-14 05:12:46,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:12:46 BoogieIcfgContainer [2021-07-14 05:12:46,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 05:12:46,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 05:12:46,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 05:12:46,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 05:12:46,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 05:12:45" (1/3) ... [2021-07-14 05:12:46,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cf5cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:12:46, skipping insertion in model container [2021-07-14 05:12:46,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:12:46" (2/3) ... [2021-07-14 05:12:46,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cf5cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:12:46, skipping insertion in model container [2021-07-14 05:12:46,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:12:46" (3/3) ... [2021-07-14 05:12:46,620 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-07-14 05:12:46,628 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 05:12:46,628 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 05:12:46,629 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 05:12:46,629 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 05:12:46,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,670 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,670 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,670 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,670 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,671 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,671 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,671 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,671 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,671 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,672 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,672 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,672 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,672 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,673 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,673 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,673 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,673 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,673 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,674 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,674 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,674 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,675 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,675 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,675 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,675 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,676 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,676 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,676 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,676 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,677 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,677 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,677 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,677 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,678 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,678 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,678 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,678 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,678 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,679 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,679 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,679 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,679 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,679 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,679 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,680 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,680 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,680 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,680 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,680 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,680 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,681 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,683 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,683 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,683 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,683 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,684 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,684 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,684 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,689 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,689 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,690 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,690 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,690 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,690 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,690 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:12:46,727 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 05:12:46,747 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 05:12:46,825 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 05:12:46,825 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 05:12:46,825 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 05:12:46,825 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 05:12:46,826 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 05:12:46,826 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 05:12:46,826 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 05:12:46,826 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 05:12:46,927 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:12:46,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:12:46,931 INFO L82 PathProgramCache]: Analyzing trace with hash 894976564, now seen corresponding path program 1 times [2021-07-14 05:12:46,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:12:46,939 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662822481] [2021-07-14 05:12:46,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:12:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:12:47,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:12:47,126 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:12:47,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662822481] [2021-07-14 05:12:47,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662822481] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:12:47,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:12:47,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 05:12:47,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311807674] [2021-07-14 05:12:47,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 05:12:47,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:12:47,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 05:12:47,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 05:12:47,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:47,145 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:12:47,146 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 05:12:47,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:47,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:47,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 05:12:47,159 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:12:47,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:12:47,160 INFO L82 PathProgramCache]: Analyzing trace with hash 400734066, now seen corresponding path program 1 times [2021-07-14 05:12:47,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:12:47,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810223826] [2021-07-14 05:12:47,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:12:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:12:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:12:47,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:12:47,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810223826] [2021-07-14 05:12:47,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810223826] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:12:47,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:12:47,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 05:12:47,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213303029] [2021-07-14 05:12:47,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 05:12:47,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:12:47,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 05:12:47,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 05:12:47,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:47,293 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:12:47,293 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 05:12:47,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:47,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:47,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:47,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:12:47,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 05:12:47,402 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:12:47,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:12:47,403 INFO L82 PathProgramCache]: Analyzing trace with hash 293296098, now seen corresponding path program 1 times [2021-07-14 05:12:47,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:12:47,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141902959] [2021-07-14 05:12:47,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:12:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:12:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 05:12:47,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:12:47,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141902959] [2021-07-14 05:12:47,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141902959] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:12:47,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:12:47,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 05:12:47,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103252930] [2021-07-14 05:12:47,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 05:12:47,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:12:47,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 05:12:47,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 05:12:47,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:47,513 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:12:47,513 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 05:12:47,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:47,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:12:47,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:12:47,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:12:47,583 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 05:12:47,583 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:12:47,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:12:47,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1127762546, now seen corresponding path program 2 times [2021-07-14 05:12:47,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:12:47,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616879027] [2021-07-14 05:12:47,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:12:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:12:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 05:12:47,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:12:47,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616879027] [2021-07-14 05:12:47,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616879027] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:12:47,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077299834] [2021-07-14 05:12:47,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:12:48,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 05:12:48,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:12:48,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 05:12:48,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:12:48,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 05:12:48,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077299834] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:12:48,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:12:48,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 14 [2021-07-14 05:12:48,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424407544] [2021-07-14 05:12:48,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 05:12:48,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:12:48,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 05:12:48,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-07-14 05:12:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:48,486 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:12:48,486 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 9.5) internal successors, (133), 14 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 05:12:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:12:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:12:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:49,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:12:49,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:12:49,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:12:49,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 05:12:49,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:12:49,487 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 05:12:49,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 05:12:49 BasicIcfg [2021-07-14 05:12:49,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 05:12:49,489 INFO L168 Benchmark]: Toolchain (without parser) took 3969.17 ms. Allocated memory was 200.3 MB in the beginning and 253.8 MB in the end (delta: 53.5 MB). Free memory was 162.8 MB in the beginning and 179.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 37.6 MB. Max. memory is 8.0 GB. [2021-07-14 05:12:49,489 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 200.3 MB. Free memory was 181.4 MB in the beginning and 181.3 MB in the end (delta: 106.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 05:12:49,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.45 ms. Allocated memory is still 200.3 MB. Free memory was 162.5 MB in the beginning and 166.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 05:12:49,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.19 ms. Allocated memory is still 200.3 MB. Free memory was 166.1 MB in the beginning and 163.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 05:12:49,490 INFO L168 Benchmark]: Boogie Preprocessor took 23.91 ms. Allocated memory is still 200.3 MB. Free memory was 163.5 MB in the beginning and 162.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 05:12:49,490 INFO L168 Benchmark]: RCFGBuilder took 520.38 ms. Allocated memory is still 200.3 MB. Free memory was 161.9 MB in the beginning and 135.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-07-14 05:12:49,490 INFO L168 Benchmark]: TraceAbstraction took 2874.13 ms. Allocated memory was 200.3 MB in the beginning and 253.8 MB in the end (delta: 53.5 MB). Free memory was 134.2 MB in the beginning and 179.4 MB in the end (delta: -45.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 8.0 GB. [2021-07-14 05:12:49,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 200.3 MB. Free memory was 181.4 MB in the beginning and 181.3 MB in the end (delta: 106.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 505.45 ms. Allocated memory is still 200.3 MB. Free memory was 162.5 MB in the beginning and 166.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.19 ms. Allocated memory is still 200.3 MB. Free memory was 166.1 MB in the beginning and 163.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.91 ms. Allocated memory is still 200.3 MB. Free memory was 163.5 MB in the beginning and 162.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 520.38 ms. Allocated memory is still 200.3 MB. Free memory was 161.9 MB in the beginning and 135.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2874.13 ms. Allocated memory was 200.3 MB in the beginning and 253.8 MB in the end (delta: 53.5 MB). Free memory was 134.2 MB in the beginning and 179.4 MB in the end (delta: -45.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1364, positive: 1101, positive conditional: 1101, positive unconditional: 0, negative: 263, negative conditional: 263, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1127, positive: 1101, positive conditional: 1101, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1127, positive: 1099, positive conditional: 0, positive unconditional: 1099, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 353, positive: 345, positive conditional: 0, positive unconditional: 345, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 353, positive: 342, positive conditional: 0, positive unconditional: 342, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 11, positive conditional: 5, positive unconditional: 6, negative: 72, negative conditional: 14, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1127, positive: 754, positive conditional: 0, positive unconditional: 754, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 353, unknown conditional: 0, unknown unconditional: 353] , Statistics on independence cache: Total cache size (in pairs): 359, Positive cache size: 347, Positive conditional cache size: 2, Positive unconditional cache size: 345, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, SemanticConditionEliminator.Independence Queries: [ total: 86, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 84, negative conditional: 19, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 84, negative conditional: 19, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 11, positive conditional: 5, positive unconditional: 6, negative: 72, negative conditional: 14, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 80, negative conditional: 15, negative unconditional: 65, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 359, Positive cache size: 347, Positive conditional cache size: 2, Positive unconditional cache size: 345, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 65, SemanticConditionEliminator.Independence Queries: [ total: 86, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 84, negative conditional: 19, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 84, negative conditional: 19, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 11, positive conditional: 5, positive unconditional: 6, negative: 72, negative conditional: 14, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 80, negative conditional: 15, negative unconditional: 65, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 359, Positive cache size: 347, Positive conditional cache size: 2, Positive unconditional cache size: 345, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 65, SemanticConditionEliminator.Independence Queries: [ total: 86, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 84, negative conditional: 19, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 84, negative conditional: 19, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 11, positive conditional: 5, positive unconditional: 6, negative: 72, negative conditional: 14, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 80, negative conditional: 15, negative unconditional: 65, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 359, Positive cache size: 347, Positive conditional cache size: 2, Positive unconditional cache size: 345, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 65, SemanticConditionEliminator.Independence Queries: [ total: 86, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 84, negative conditional: 19, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 84, negative conditional: 19, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 11, positive conditional: 5, positive unconditional: 6, negative: 72, negative conditional: 14, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 80, negative conditional: 15, negative unconditional: 65, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 359, Positive cache size: 347, Positive conditional cache size: 2, Positive unconditional cache size: 345, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 65 ], Maximal queried relation: 4, Independence queries for same thread: 237 - PositiveResult [Line: 966]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2702.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.7ms, PartialOrderReductionTime: 1058.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 48.2ms SsaConstructionTime, 163.7ms SatisfiabilityAnalysisTime, 960.0ms InterpolantComputationTime, 418 NumberOfCodeBlocks, 418 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 1528 SizeOfPredicates, 5 NumberOfNonLiveVariables, 215 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 20/27 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...