/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-08 06:09:53,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-08 06:09:53,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-08 06:09:53,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-08 06:09:53,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-08 06:09:53,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-08 06:09:53,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-08 06:09:53,477 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-08-08 06:09:53,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-08 06:09:53,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-08 06:09:53,511 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-08 06:09:53,511 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-08 06:09:53,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-08 06:09:53,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-08 06:09:53,514 INFO L138 SettingsManager]: * Use SBE=true [2021-08-08 06:09:53,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-08 06:09:53,514 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-08 06:09:53,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-08 06:09:53,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-08 06:09:53,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-08 06:09:53,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-08 06:09:53,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-08 06:09:53,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-08 06:09:53,515 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-08 06:09:53,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-08 06:09:53,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-08 06:09:53,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-08 06:09:53,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-08 06:09:53,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-08 06:09:53,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-08 06:09:53,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-08 06:09:53,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 06:09:53,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-08 06:09:53,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-08 06:09:53,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-08 06:09:53,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-08 06:09:53,517 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-08 06:09:53,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-08 06:09:53,517 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-08 06:09:53,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-08 06:09:53,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-08 06:09:53,518 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-08 06:09:53,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-08 06:09:53,518 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-08 06:09:53,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-08 06:09:53,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-08 06:09:53,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-08 06:09:53,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-08 06:09:53,783 INFO L275 PluginConnector]: CDTParser initialized [2021-08-08 06:09:53,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_tso.opt.i [2021-08-08 06:09:53,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9991288b2/a180285e63e442ba8a2fe6cc5843488e/FLAGf1893ae47 [2021-08-08 06:09:54,268 INFO L306 CDTParser]: Found 1 translation units. [2021-08-08 06:09:54,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_tso.opt.i [2021-08-08 06:09:54,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9991288b2/a180285e63e442ba8a2fe6cc5843488e/FLAGf1893ae47 [2021-08-08 06:09:54,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9991288b2/a180285e63e442ba8a2fe6cc5843488e [2021-08-08 06:09:54,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-08 06:09:54,297 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-08 06:09:54,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-08 06:09:54,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-08 06:09:54,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-08 06:09:54,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,303 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 08.08 06:09:54, skipping insertion in model container [2021-08-08 06:09:54,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-08 06:09:54,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-08 06:09:54,513 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/safe037_tso.opt.i[949,962] [2021-08-08 06:09:54,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-08 06:09:54,646 INFO L203 MainTranslator]: Completed pre-run [2021-08-08 06:09:54,656 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/safe037_tso.opt.i[949,962] [2021-08-08 06:09:54,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-08 06:09:54,719 INFO L208 MainTranslator]: Completed translation [2021-08-08 06:09:54,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54 WrapperNode [2021-08-08 06:09:54,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-08 06:09:54,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-08 06:09:54,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-08 06:09:54,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-08 06:09:54,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-08 06:09:54,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-08 06:09:54,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-08 06:09:54,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-08 06:09:54,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-08 06:09:54,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-08 06:09:54,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-08 06:09:54,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-08 06:09:54,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54" (1/1) ... [2021-08-08 06:09:54,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 06:09:54,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 06:09:54,847 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) [2021-08-08 06:09:54,853 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 [2021-08-08 06:09:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-08 06:09:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-08 06:09:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-08 06:09:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-08 06:09:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-08 06:09:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-08 06:09:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-08 06:09:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-08 06:09:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-08 06:09:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-08 06:09:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-08 06:09:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-08 06:09:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-08 06:09:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-08 06:09:54,883 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-08 06:09:55,250 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-08 06:09:55,251 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-08 06:09:55,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 06:09:55 BoogieIcfgContainer [2021-08-08 06:09:55,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-08 06:09:55,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-08 06:09:55,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-08 06:09:55,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-08 06:09:55,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 06:09:54" (1/3) ... [2021-08-08 06:09:55,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374ae6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 06:09:55, skipping insertion in model container [2021-08-08 06:09:55,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:09:54" (2/3) ... [2021-08-08 06:09:55,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374ae6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 06:09:55, skipping insertion in model container [2021-08-08 06:09:55,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 06:09:55" (3/3) ... [2021-08-08 06:09:55,259 INFO L111 eAbstractionObserver]: Analyzing ICFG safe037_tso.opt.i [2021-08-08 06:09:55,263 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-08 06:09:55,263 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-08 06:09:55,263 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-08 06:09:55,263 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-08 06:09:55,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,290 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,291 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,291 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,291 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,293 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,293 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,293 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,294 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,294 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,294 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,295 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,295 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,296 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,296 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,297 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,297 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,298 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,298 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,300 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,300 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,304 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,305 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,306 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,309 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:09:55,313 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-08 06:09:55,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-08 06:09:55,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 06:09:55,347 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) [2021-08-08 06:09:55,348 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 [2021-08-08 06:09:55,375 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-08 06:09:55,378 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 [2021-08-08 06:09:55,378 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-08 06:09:55,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 06:09:55,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 06:09:55,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1947841260, now seen corresponding path program 1 times [2021-08-08 06:09:55,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 06:09:55,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704701197] [2021-08-08 06:09:55,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 06:09:55,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 06:09:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 06:09:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 06:09:55,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 06:09:55,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704701197] [2021-08-08 06:09:55,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704701197] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 06:09:55,953 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 06:09:55,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-08 06:09:55,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912033804] [2021-08-08 06:09:55,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-08 06:09:55,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 06:09:55,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-08 06:09:55,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-08 06:09:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:09:55,965 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 06:09:55,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 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) [2021-08-08 06:09:55,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:09:56,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-08 06:09:56,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-08 06:09:56,221 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 06:09:56,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 06:09:56,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1900893546, now seen corresponding path program 1 times [2021-08-08 06:09:56,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 06:09:56,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780320642] [2021-08-08 06:09:56,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 06:09:56,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 06:09:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 06:09:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 06:09:56,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 06:09:56,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780320642] [2021-08-08 06:09:56,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780320642] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 06:09:56,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 06:09:56,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-08 06:09:56,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113940414] [2021-08-08 06:09:56,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-08 06:09:56,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 06:09:56,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-08 06:09:56,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-08 06:09:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:09:56,455 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 06:09:56,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 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) [2021-08-08 06:09:56,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-08 06:09:56,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:09:56,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-08 06:09:56,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 06:09:56,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-08 06:09:56,683 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 06:09:56,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 06:09:56,685 INFO L82 PathProgramCache]: Analyzing trace with hash 225526196, now seen corresponding path program 1 times [2021-08-08 06:09:56,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 06:09:56,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518075762] [2021-08-08 06:09:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 06:09:56,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 06:09:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 06:09:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 06:09:56,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 06:09:56,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518075762] [2021-08-08 06:09:56,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518075762] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 06:09:56,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 06:09:56,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-08 06:09:56,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341065812] [2021-08-08 06:09:56,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-08 06:09:56,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 06:09:56,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-08 06:09:56,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-08 06:09:56,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:09:56,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 06:09:56,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-08-08 06:09:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-08 06:09:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 06:09:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:09:57,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-08 06:09:57,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 06:09:57,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-08 06:09:57,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-08 06:09:57,207 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 06:09:57,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 06:09:57,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1826858946, now seen corresponding path program 2 times [2021-08-08 06:09:57,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 06:09:57,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268150460] [2021-08-08 06:09:57,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 06:09:57,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 06:09:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 06:09:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 06:09:57,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 06:09:57,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268150460] [2021-08-08 06:09:57,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268150460] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 06:09:57,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 06:09:57,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-08 06:09:57,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473931485] [2021-08-08 06:09:57,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-08 06:09:57,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 06:09:57,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-08 06:09:57,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-08 06:09:57,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:09:57,367 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 06:09:57,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 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) [2021-08-08 06:09:57,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-08 06:09:57,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 06:09:57,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-08 06:09:57,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:09:57,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-08 06:09:57,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 06:09:57,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-08 06:09:57,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 06:09:57,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-08 06:09:57,546 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 06:09:57,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 06:09:57,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1811998778, now seen corresponding path program 3 times [2021-08-08 06:09:57,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 06:09:57,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693387996] [2021-08-08 06:09:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 06:09:57,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 06:09:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 06:09:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 06:09:57,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 06:09:57,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693387996] [2021-08-08 06:09:57,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693387996] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 06:09:57,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 06:09:57,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-08 06:09:57,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807812694] [2021-08-08 06:09:57,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-08 06:09:57,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 06:09:57,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-08 06:09:57,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-08 06:09:57,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:09:57,644 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 06:09:57,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 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) [2021-08-08 06:09:57,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-08 06:09:57,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 06:09:57,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-08 06:09:57,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 06:09:57,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:09:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-08 06:09:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 06:09:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-08 06:09:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 06:09:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 06:09:57,866 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-08 06:09:57,866 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-08 06:09:57,866 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-08 06:09:57,866 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-08 06:09:57,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-08 06:09:57,871 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-08 06:09:57,871 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-08 06:09:57,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 06:09:57 BasicIcfg [2021-08-08 06:09:57,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-08 06:09:57,873 INFO L168 Benchmark]: Toolchain (without parser) took 3575.93 ms. Allocated memory was 211.8 MB in the beginning and 291.5 MB in the end (delta: 79.7 MB). Free memory was 174.8 MB in the beginning and 201.3 MB in the end (delta: -26.5 MB). Peak memory consumption was 54.7 MB. Max. memory is 8.0 GB. [2021-08-08 06:09:57,874 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 211.8 MB. Free memory is still 193.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-08 06:09:57,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.62 ms. Allocated memory is still 211.8 MB. Free memory was 174.6 MB in the beginning and 184.8 MB in the end (delta: -10.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 8.0 GB. [2021-08-08 06:09:57,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.79 ms. Allocated memory is still 211.8 MB. Free memory was 184.8 MB in the beginning and 182.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-08 06:09:57,876 INFO L168 Benchmark]: Boogie Preprocessor took 30.87 ms. Allocated memory is still 211.8 MB. Free memory was 182.8 MB in the beginning and 181.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-08 06:09:57,876 INFO L168 Benchmark]: RCFGBuilder took 445.29 ms. Allocated memory is still 211.8 MB. Free memory was 181.3 MB in the beginning and 157.6 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-08 06:09:57,877 INFO L168 Benchmark]: TraceAbstraction took 2617.92 ms. Allocated memory was 211.8 MB in the beginning and 291.5 MB in the end (delta: 79.7 MB). Free memory was 157.2 MB in the beginning and 201.3 MB in the end (delta: -44.1 MB). Peak memory consumption was 36.4 MB. Max. memory is 8.0 GB. [2021-08-08 06:09:57,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 211.8 MB. Free memory is still 193.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 420.62 ms. Allocated memory is still 211.8 MB. Free memory was 174.6 MB in the beginning and 184.8 MB in the end (delta: -10.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 55.79 ms. Allocated memory is still 211.8 MB. Free memory was 184.8 MB in the beginning and 182.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.87 ms. Allocated memory is still 211.8 MB. Free memory was 182.8 MB in the beginning and 181.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 445.29 ms. Allocated memory is still 211.8 MB. Free memory was 181.3 MB in the beginning and 157.6 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2617.92 ms. Allocated memory was 211.8 MB in the beginning and 291.5 MB in the end (delta: 79.7 MB). Free memory was 157.2 MB in the beginning and 201.3 MB in the end (delta: -44.1 MB). Peak memory consumption was 36.4 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: 28814, positive: 27921, positive conditional: 26591, positive unconditional: 1330, negative: 893, negative conditional: 874, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28368, positive: 27921, positive conditional: 26591, positive unconditional: 1330, negative: 447, negative conditional: 428, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28368, positive: 27921, positive conditional: 26591, positive unconditional: 1330, negative: 447, negative conditional: 428, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30490, positive: 27921, positive conditional: 26511, positive unconditional: 1410, negative: 2569, negative conditional: 2122, negative unconditional: 447, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30490, positive: 27921, positive conditional: 4755, positive unconditional: 23166, negative: 2569, negative conditional: 6, negative unconditional: 2563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30490, positive: 27921, positive conditional: 4755, positive unconditional: 23166, negative: 2569, negative conditional: 6, negative unconditional: 2563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1371, positive: 1349, positive conditional: 9, positive unconditional: 1340, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1371, positive: 1335, positive conditional: 0, positive unconditional: 1335, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 35, positive conditional: 23, positive unconditional: 12, negative: 71, negative conditional: 12, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30490, positive: 26572, positive conditional: 4746, positive unconditional: 21826, negative: 2547, negative conditional: 3, negative unconditional: 2544, unknown: 1371, unknown conditional: 12, unknown unconditional: 1359] , Statistics on independence cache: Total cache size (in pairs): 1371, Positive cache size: 1349, Positive conditional cache size: 9, Positive unconditional cache size: 1340, Negative cache size: 22, Negative conditional cache size: 3, Negative unconditional cache size: 19, Eliminated conditions: 23872, Maximal queried relation: 5, Independence queries for same thread: 446 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 212, Number of persistent set computation: 1859, Number of trivial persistent sets: 869, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1349, positive: 1330, positive conditional: 0, positive unconditional: 1330, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28814, positive: 27921, positive conditional: 26591, positive unconditional: 1330, negative: 893, negative conditional: 874, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28368, positive: 27921, positive conditional: 26591, positive unconditional: 1330, negative: 447, negative conditional: 428, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28368, positive: 27921, positive conditional: 26591, positive unconditional: 1330, negative: 447, negative conditional: 428, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30490, positive: 27921, positive conditional: 26511, positive unconditional: 1410, negative: 2569, negative conditional: 2122, negative unconditional: 447, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30490, positive: 27921, positive conditional: 4755, positive unconditional: 23166, negative: 2569, negative conditional: 6, negative unconditional: 2563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30490, positive: 27921, positive conditional: 4755, positive unconditional: 23166, negative: 2569, negative conditional: 6, negative unconditional: 2563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1371, positive: 1349, positive conditional: 9, positive unconditional: 1340, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1371, positive: 1335, positive conditional: 0, positive unconditional: 1335, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 35, positive conditional: 23, positive unconditional: 12, negative: 71, negative conditional: 12, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30490, positive: 26572, positive conditional: 4746, positive unconditional: 21826, negative: 2547, negative conditional: 3, negative unconditional: 2544, unknown: 1371, unknown conditional: 12, unknown unconditional: 1359] , Statistics on independence cache: Total cache size (in pairs): 1371, Positive cache size: 1349, Positive conditional cache size: 9, Positive unconditional cache size: 1340, Negative cache size: 22, Negative conditional cache size: 3, Negative unconditional cache size: 19, Eliminated conditions: 23872, Maximal queried relation: 5, Independence queries for same thread: 446 - 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, 108 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2527.4ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.4ms, PartialOrderReductionTime: 1314.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, 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: 18.1ms SsaConstructionTime, 147.9ms SatisfiabilityAnalysisTime, 845.1ms InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 324 ConstructedInterpolants, 0 QuantifiedInterpolants, 1146 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! [2021-08-08 06:09:57,912 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 [2021-08-08 06:09:58,123 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...