/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 07:42:05,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 07:42:05,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 07:42:05,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 07:42:05,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 07:42:05,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 07:42:05,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 07:42:05,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 07:42:05,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 07:42:05,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 07:42:05,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 07:42:05,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 07:42:05,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 07:42:05,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 07:42:05,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 07:42:05,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 07:42:05,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 07:42:05,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 07:42:05,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 07:42:05,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 07:42:05,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 07:42:05,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 07:42:05,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 07:42:05,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 07:42:05,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 07:42:05,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 07:42:05,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 07:42:05,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 07:42:05,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 07:42:05,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 07:42:05,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 07:42:05,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 07:42:05,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 07:42:05,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 07:42:05,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 07:42:05,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 07:42:05,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 07:42:05,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 07:42:05,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 07:42:05,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 07:42:05,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 07:42:05,300 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-Random521.epf [2021-08-07 07:42:05,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 07:42:05,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 07:42:05,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 07:42:05,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 07:42:05,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 07:42:05,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 07:42:05,340 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 07:42:05,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 07:42:05,340 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 07:42:05,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 07:42:05,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 07:42:05,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 07:42:05,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 07:42:05,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 07:42:05,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 07:42:05,342 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 07:42:05,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 07:42:05,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 07:42:05,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 07:42:05,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 07:42:05,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 07:42:05,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 07:42:05,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 07:42:05,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 07:42:05,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 07:42:05,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 07:42:05,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 07:42:05,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 07:42:05,343 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-07 07:42:05,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 07:42:05,344 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 07:42:05,344 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 07:42:05,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 07:42:05,344 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 07:42:05,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-07 07:42:05,344 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 07:42:05,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 07:42:05,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 07:42:05,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 07:42:05,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 07:42:05,620 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 07:42:05,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i [2021-08-07 07:42:05,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf343735/ba09e66726c24d27bc10d97e5664d139/FLAG85bc3a244 [2021-08-07 07:42:06,059 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 07:42:06,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i [2021-08-07 07:42:06,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf343735/ba09e66726c24d27bc10d97e5664d139/FLAG85bc3a244 [2021-08-07 07:42:06,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf343735/ba09e66726c24d27bc10d97e5664d139 [2021-08-07 07:42:06,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 07:42:06,097 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 07:42:06,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 07:42:06,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 07:42:06,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 07:42:06,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4888bbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06, skipping insertion in model container [2021-08-07 07:42:06,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 07:42:06,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 07:42:06,321 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i[949,962] [2021-08-07 07:42:06,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 07:42:06,459 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 07:42:06,468 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i[949,962] [2021-08-07 07:42:06,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 07:42:06,518 INFO L208 MainTranslator]: Completed translation [2021-08-07 07:42:06,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06 WrapperNode [2021-08-07 07:42:06,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 07:42:06,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 07:42:06,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 07:42:06,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 07:42:06,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 07:42:06,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 07:42:06,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 07:42:06,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 07:42:06,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 07:42:06,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 07:42:06,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 07:42:06,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 07:42:06,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06" (1/1) ... [2021-08-07 07:42:06,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 07:42:06,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:42:06,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 07:42:06,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 07:42:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 07:42:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 07:42:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 07:42:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 07:42:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 07:42:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 07:42:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 07:42:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 07:42:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 07:42:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 07:42:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 07:42:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 07:42:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 07:42:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 07:42:06,653 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 07:42:06,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 07:42:06,914 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 07:42:06,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:42:06 BoogieIcfgContainer [2021-08-07 07:42:06,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 07:42:06,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 07:42:06,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 07:42:06,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 07:42:06,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 07:42:06" (1/3) ... [2021-08-07 07:42:06,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da0c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 07:42:06, skipping insertion in model container [2021-08-07 07:42:06,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:42:06" (2/3) ... [2021-08-07 07:42:06,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da0c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 07:42:06, skipping insertion in model container [2021-08-07 07:42:06,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:42:06" (3/3) ... [2021-08-07 07:42:06,921 INFO L111 eAbstractionObserver]: Analyzing ICFG safe002_tso.opt.i [2021-08-07 07:42:06,924 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 07:42:06,924 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 07:42:06,925 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 07:42:06,925 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 07:42:06,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,950 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,951 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,951 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,951 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,951 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,951 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,951 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,951 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,952 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,952 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,953 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,953 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,954 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,954 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,959 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,959 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,959 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,959 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,963 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,963 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,963 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,963 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,967 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,967 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,969 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,969 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:42:06,973 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 07:42:07,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 07:42:07,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:42:07,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 07:42:07,037 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 07:42:07,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 07:42:07,043 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 07:42:07,043 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 07:42:07,125 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 07:42:07,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:42:07,129 INFO L82 PathProgramCache]: Analyzing trace with hash -255850879, now seen corresponding path program 1 times [2021-08-07 07:42:07,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:42:07,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892304988] [2021-08-07 07:42:07,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:42:07,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:42:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:42:07,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:42:07,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:42:07,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892304988] [2021-08-07 07:42:07,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892304988] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 07:42:07,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 07:42:07,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 07:42:07,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020064544] [2021-08-07 07:42:07,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 07:42:07,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:42:07,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 07:42:07,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 07:42:07,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:07,346 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:42:07,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2021-08-07 07:42:07,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:07,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:07,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 07:42:07,355 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 07:42:07,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:42:07,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1474989693, now seen corresponding path program 1 times [2021-08-07 07:42:07,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:42:07,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756442022] [2021-08-07 07:42:07,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:42:07,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:42:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:42:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:42:07,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:42:07,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756442022] [2021-08-07 07:42:07,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756442022] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 07:42:07,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 07:42:07,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 07:42:07,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651178371] [2021-08-07 07:42:07,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 07:42:07,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:42:07,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 07:42:07,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 07:42:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:07,512 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:42:07,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-08-07 07:42:07,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:07,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 07:42:07,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 07:42:07,916 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 07:42:07,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:42:07,922 INFO L82 PathProgramCache]: Analyzing trace with hash 925389187, now seen corresponding path program 2 times [2021-08-07 07:42:07,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:42:07,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169991069] [2021-08-07 07:42:07,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:42:07,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:42:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:42:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:42:08,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:42:08,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169991069] [2021-08-07 07:42:08,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169991069] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 07:42:08,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 07:42:08,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 07:42:08,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300327351] [2021-08-07 07:42:08,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 07:42:08,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:42:08,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 07:42:08,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 07:42:08,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:08,103 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:42:08,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-08-07 07:42:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 07:42:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 07:42:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 07:42:08,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 07:42:08,377 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 07:42:08,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:42:08,378 INFO L82 PathProgramCache]: Analyzing trace with hash 841368773, now seen corresponding path program 1 times [2021-08-07 07:42:08,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:42:08,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088247890] [2021-08-07 07:42:08,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:42:08,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:42:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:42:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:42:08,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:42:08,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088247890] [2021-08-07 07:42:08,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088247890] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 07:42:08,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 07:42:08,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 07:42:08,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727144640] [2021-08-07 07:42:08,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 07:42:08,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:42:08,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 07:42:08,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 07:42:08,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:08,493 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:42:08,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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) [2021-08-07 07:42:08,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:08,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 07:42:08,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-07 07:42:08,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:08,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:08,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 07:42:08,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 07:42:08,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 07:42:08,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 07:42:08,882 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 07:42:08,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:42:08,882 INFO L82 PathProgramCache]: Analyzing trace with hash 464810469, now seen corresponding path program 2 times [2021-08-07 07:42:08,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:42:08,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303351265] [2021-08-07 07:42:08,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:42:08,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:42:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:42:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:42:09,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:42:09,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303351265] [2021-08-07 07:42:09,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303351265] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 07:42:09,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 07:42:09,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 07:42:09,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023072983] [2021-08-07 07:42:09,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 07:42:09,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:42:09,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 07:42:09,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-07 07:42:09,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:09,032 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:42:09,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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) [2021-08-07 07:42:09,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:09,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 07:42:09,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-07 07:42:09,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 07:42:09,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:09,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:42:09,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 07:42:09,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 07:42:09,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 07:42:09,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 07:42:09,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 07:42:09,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 07:42:09,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 07:42:09,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 07:42:09,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 07:42:09,561 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 07:42:09,561 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 07:42:09,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 07:42:09 BasicIcfg [2021-08-07 07:42:09,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 07:42:09,566 INFO L168 Benchmark]: Toolchain (without parser) took 3466.89 ms. Allocated memory was 215.0 MB in the beginning and 270.5 MB in the end (delta: 55.6 MB). Free memory was 179.7 MB in the beginning and 104.1 MB in the end (delta: 75.7 MB). Peak memory consumption was 132.3 MB. Max. memory is 8.0 GB. [2021-08-07 07:42:09,566 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 215.0 MB. Free memory is still 197.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 07:42:09,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.77 ms. Allocated memory is still 215.0 MB. Free memory was 179.5 MB in the beginning and 188.6 MB in the end (delta: -9.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. [2021-08-07 07:42:09,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.33 ms. Allocated memory is still 215.0 MB. Free memory was 188.6 MB in the beginning and 186.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 07:42:09,568 INFO L168 Benchmark]: Boogie Preprocessor took 25.74 ms. Allocated memory is still 215.0 MB. Free memory was 186.9 MB in the beginning and 185.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 07:42:09,568 INFO L168 Benchmark]: RCFGBuilder took 321.04 ms. Allocated memory is still 215.0 MB. Free memory was 185.4 MB in the beginning and 161.7 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-07 07:42:09,568 INFO L168 Benchmark]: TraceAbstraction took 2646.80 ms. Allocated memory was 215.0 MB in the beginning and 270.5 MB in the end (delta: 55.6 MB). Free memory was 161.3 MB in the beginning and 104.1 MB in the end (delta: 57.3 MB). Peak memory consumption was 113.1 MB. Max. memory is 8.0 GB. [2021-08-07 07:42:09,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 215.0 MB. Free memory is still 197.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 421.77 ms. Allocated memory is still 215.0 MB. Free memory was 179.5 MB in the beginning and 188.6 MB in the end (delta: -9.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 47.33 ms. Allocated memory is still 215.0 MB. Free memory was 188.6 MB in the beginning and 186.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.74 ms. Allocated memory is still 215.0 MB. Free memory was 186.9 MB in the beginning and 185.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 321.04 ms. Allocated memory is still 215.0 MB. Free memory was 185.4 MB in the beginning and 161.7 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2646.80 ms. Allocated memory was 215.0 MB in the beginning and 270.5 MB in the end (delta: 55.6 MB). Free memory was 161.3 MB in the beginning and 104.1 MB in the end (delta: 57.3 MB). Peak memory consumption was 113.1 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: 113517, positive: 109129, positive conditional: 109129, positive unconditional: 0, negative: 4388, negative conditional: 4388, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110579, positive: 109129, positive conditional: 109129, positive unconditional: 0, negative: 1450, negative conditional: 1450, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 110579, positive: 109129, positive conditional: 109129, positive unconditional: 0, negative: 1450, negative conditional: 1450, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116430, positive: 109129, positive conditional: 109072, positive unconditional: 57, negative: 7301, negative conditional: 5851, negative unconditional: 1450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 116430, positive: 109129, positive conditional: 29293, positive unconditional: 79836, negative: 7301, negative conditional: 469, negative unconditional: 6832, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 116430, positive: 109129, positive conditional: 29293, positive unconditional: 79836, negative: 7301, negative conditional: 469, negative unconditional: 6832, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 937, positive: 908, positive conditional: 337, positive unconditional: 571, negative: 29, negative conditional: 12, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 937, positive: 868, positive conditional: 0, positive unconditional: 868, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 40, positive conditional: 35, positive unconditional: 5, negative: 29, negative conditional: 12, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, positive: 58, positive conditional: 44, positive unconditional: 14, negative: 58, negative conditional: 13, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 116430, positive: 108221, positive conditional: 28956, positive unconditional: 79265, negative: 7272, negative conditional: 457, negative unconditional: 6815, unknown: 937, unknown conditional: 349, unknown unconditional: 588] , Statistics on independence cache: Total cache size (in pairs): 937, Positive cache size: 908, Positive conditional cache size: 337, Positive unconditional cache size: 571, Negative cache size: 29, Negative conditional cache size: 12, Negative unconditional cache size: 17, Eliminated conditions: 85161, Maximal queried relation: 5, Independence queries for same thread: 2938 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2552.2ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.5ms, PartialOrderReductionTime: 1655.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, 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: 26.5ms SsaConstructionTime, 175.7ms SatisfiabilityAnalysisTime, 498.9ms InterpolantComputationTime, 328 NumberOfCodeBlocks, 328 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 323 ConstructedInterpolants, 0 QuantifiedInterpolants, 733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2021-08-07 07:42:09,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 07:42:09,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...