/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 22:21:34,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 22:21:34,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 22:21:34,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 22:21:34,403 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-Lockstep.epf [2021-08-07 22:21:34,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 22:21:34,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 22:21:34,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 22:21:34,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 22:21:34,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 22:21:34,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 22:21:34,444 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 22:21:34,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 22:21:34,444 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 22:21:34,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 22:21:34,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 22:21:34,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 22:21:34,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 22:21:34,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 22:21:34,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 22:21:34,446 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 22:21:34,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 22:21:34,446 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 22:21:34,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 22:21:34,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 22:21:34,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 22:21:34,447 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 22:21:34,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 22:21:34,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 22:21:34,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 22:21:34,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 22:21:34,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 22:21:34,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 22:21:34,448 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 22:21:34,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 22:21:34,449 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 22:21:34,449 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 22:21:34,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 22:21:34,450 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-07 22:21:34,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 22:21:34,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 22:21:34,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 22:21:34,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 22:21:34,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 22:21:34,817 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 22:21:34,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2021-08-07 22:21:34,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937c5c6cd/31f70e9966184950a027e1ffed7977b3/FLAG6858fdeae [2021-08-07 22:21:35,322 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 22:21:35,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2021-08-07 22:21:35,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937c5c6cd/31f70e9966184950a027e1ffed7977b3/FLAG6858fdeae [2021-08-07 22:21:35,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937c5c6cd/31f70e9966184950a027e1ffed7977b3 [2021-08-07 22:21:35,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 22:21:35,716 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 22:21:35,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 22:21:35,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 22:21:35,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 22:21:35,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 10:21:35" (1/1) ... [2021-08-07 22:21:35,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d435fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:35, skipping insertion in model container [2021-08-07 22:21:35,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 10:21:35" (1/1) ... [2021-08-07 22:21:35,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 22:21:35,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 22:21:35,895 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/thin002_tso.opt.i[949,962] [2021-08-07 22:21:36,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 22:21:36,084 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 22:21:36,097 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/thin002_tso.opt.i[949,962] [2021-08-07 22:21:36,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 22:21:36,181 INFO L208 MainTranslator]: Completed translation [2021-08-07 22:21:36,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36 WrapperNode [2021-08-07 22:21:36,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 22:21:36,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 22:21:36,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 22:21:36,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 22:21:36,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36" (1/1) ... [2021-08-07 22:21:36,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36" (1/1) ... [2021-08-07 22:21:36,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 22:21:36,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 22:21:36,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 22:21:36,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 22:21:36,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36" (1/1) ... [2021-08-07 22:21:36,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36" (1/1) ... [2021-08-07 22:21:36,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36" (1/1) ... [2021-08-07 22:21:36,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36" (1/1) ... [2021-08-07 22:21:36,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36" (1/1) ... [2021-08-07 22:21:36,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36" (1/1) ... [2021-08-07 22:21:36,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36" (1/1) ... [2021-08-07 22:21:36,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 22:21:36,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 22:21:36,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 22:21:36,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 22:21:36,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36" (1/1) ... [2021-08-07 22:21:36,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 22:21:36,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:21:36,273 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 22:21:36,275 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 22:21:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 22:21:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 22:21:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 22:21:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 22:21:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 22:21:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 22:21:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 22:21:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 22:21:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 22:21:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 22:21:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-08-07 22:21:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-08-07 22:21:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 22:21:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 22:21:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 22:21:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 22:21:36,305 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 22:21:36,667 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 22:21:36,667 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 22:21:36,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:21:36 BoogieIcfgContainer [2021-08-07 22:21:36,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 22:21:36,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 22:21:36,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 22:21:36,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 22:21:36,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 10:21:35" (1/3) ... [2021-08-07 22:21:36,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62be81a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:21:36, skipping insertion in model container [2021-08-07 22:21:36,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:36" (2/3) ... [2021-08-07 22:21:36,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62be81a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:21:36, skipping insertion in model container [2021-08-07 22:21:36,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:21:36" (3/3) ... [2021-08-07 22:21:36,676 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_tso.opt.i [2021-08-07 22:21:36,694 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 22:21:36,695 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 22:21:36,695 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 22:21:36,695 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 22:21:36,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,758 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,758 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,759 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,759 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,760 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,760 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,760 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,760 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,763 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,763 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,763 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,763 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,764 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,764 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,765 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,767 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,768 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,768 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,777 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,777 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,777 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,778 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,781 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,781 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,783 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,784 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:36,786 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 22:21:36,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 22:21:36,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:21:36,845 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 22:21:36,877 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 22:21:36,886 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 22:21:36,892 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 22:21:36,893 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-07 22:21:37,115 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 22:21:37,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:21:37,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1222607498, now seen corresponding path program 1 times [2021-08-07 22:21:37,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:21:37,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948523755] [2021-08-07 22:21:37,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:21:37,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:21:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:21:37,374 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 22:21:37,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:21:37,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948523755] [2021-08-07 22:21:37,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948523755] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:21:37,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:21:37,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 22:21:37,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566243871] [2021-08-07 22:21:37,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 22:21:37,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:21:37,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 22:21:37,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 22:21:37,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:37,402 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:21:37,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 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 22:21:37,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:37,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:37,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 22:21:37,416 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 22:21:37,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:21:37,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1804918684, now seen corresponding path program 1 times [2021-08-07 22:21:37,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:21:37,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908378362] [2021-08-07 22:21:37,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:21:37,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:21:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:21:37,790 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 22:21:37,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:21:37,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908378362] [2021-08-07 22:21:37,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908378362] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:21:37,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:21:37,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 22:21:37,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186241388] [2021-08-07 22:21:37,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 22:21:37,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:21:37,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 22:21:37,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-07 22:21:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:37,794 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:21:37,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 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 22:21:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:41,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:41,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:41,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 22:21:41,041 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 22:21:41,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:21:41,049 INFO L82 PathProgramCache]: Analyzing trace with hash 793903044, now seen corresponding path program 2 times [2021-08-07 22:21:41,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:21:41,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963465429] [2021-08-07 22:21:41,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:21:41,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:21:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:21:41,284 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 22:21:41,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:21:41,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963465429] [2021-08-07 22:21:41,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963465429] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:21:41,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:21:41,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 22:21:41,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937841248] [2021-08-07 22:21:41,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 22:21:41,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:21:41,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 22:21:41,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-07 22:21:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:41,288 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:21:41,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 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 22:21:41,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:43,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:43,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:43,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 22:21:43,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 22:21:43,335 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 22:21:43,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:21:43,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1047184538, now seen corresponding path program 3 times [2021-08-07 22:21:43,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:21:43,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761386610] [2021-08-07 22:21:43,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:21:43,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:21:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:21:43,548 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 22:21:43,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:21:43,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761386610] [2021-08-07 22:21:43,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761386610] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:21:43,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:21:43,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 22:21:43,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732370309] [2021-08-07 22:21:43,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 22:21:43,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:21:43,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 22:21:43,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 22:21:43,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:43,551 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:21:43,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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 22:21:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 22:21:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:45,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:45,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:45,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 22:21:45,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:45,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 22:21:45,924 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 22:21:45,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:21:45,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1929349826, now seen corresponding path program 4 times [2021-08-07 22:21:45,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:21:45,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077875574] [2021-08-07 22:21:45,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:21:45,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:21:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:21:46,109 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 22:21:46,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:21:46,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077875574] [2021-08-07 22:21:46,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077875574] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:21:46,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:21:46,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 22:21:46,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121430334] [2021-08-07 22:21:46,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 22:21:46,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:21:46,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 22:21:46,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 22:21:46,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:46,114 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:21:46,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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 22:21:46,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:46,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:46,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 22:21:46,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:46,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 22:21:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:50,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 22:21:50,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 22:21:50,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 22:21:50,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 22:21:50,237 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-07 22:21:50,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 22:21:50,264 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 22:21:50,264 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 22:21:50,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 10:21:50 BasicIcfg [2021-08-07 22:21:50,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 22:21:50,277 INFO L168 Benchmark]: Toolchain (without parser) took 14550.32 ms. Allocated memory was 173.0 MB in the beginning and 4.0 GB in the end (delta: 3.8 GB). Free memory was 137.6 MB in the beginning and 3.5 GB in the end (delta: -3.4 GB). Peak memory consumption was 734.7 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:50,277 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 173.0 MB. Free memory is still 155.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 22:21:50,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.78 ms. Allocated memory is still 173.0 MB. Free memory was 137.4 MB in the beginning and 146.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:50,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.71 ms. Allocated memory is still 173.0 MB. Free memory was 146.9 MB in the beginning and 144.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:50,280 INFO L168 Benchmark]: Boogie Preprocessor took 19.06 ms. Allocated memory is still 173.0 MB. Free memory was 144.8 MB in the beginning and 143.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:50,281 INFO L168 Benchmark]: RCFGBuilder took 429.66 ms. Allocated memory is still 173.0 MB. Free memory was 143.2 MB in the beginning and 117.0 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:50,281 INFO L168 Benchmark]: TraceAbstraction took 13595.28 ms. Allocated memory was 173.0 MB in the beginning and 4.0 GB in the end (delta: 3.8 GB). Free memory was 116.5 MB in the beginning and 3.5 GB in the end (delta: -3.4 GB). Peak memory consumption was 713.8 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:50,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 173.0 MB. Free memory is still 155.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 462.78 ms. Allocated memory is still 173.0 MB. Free memory was 137.4 MB in the beginning and 146.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 36.71 ms. Allocated memory is still 173.0 MB. Free memory was 146.9 MB in the beginning and 144.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.06 ms. Allocated memory is still 173.0 MB. Free memory was 144.8 MB in the beginning and 143.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 429.66 ms. Allocated memory is still 173.0 MB. Free memory was 143.2 MB in the beginning and 117.0 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13595.28 ms. Allocated memory was 173.0 MB in the beginning and 4.0 GB in the end (delta: 3.8 GB). Free memory was 116.5 MB in the beginning and 3.5 GB in the end (delta: -3.4 GB). Peak memory consumption was 713.8 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: 1151642, positive: 1116841, positive conditional: 1114480, positive unconditional: 2361, negative: 34801, negative conditional: 34774, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1129666, positive: 1116841, positive conditional: 1114480, positive unconditional: 2361, negative: 12825, negative conditional: 12798, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1129666, positive: 1116841, positive conditional: 1114480, positive unconditional: 2361, negative: 12825, negative conditional: 12798, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1185205, positive: 1116841, positive conditional: 1114437, positive unconditional: 2404, negative: 68364, negative conditional: 55539, negative unconditional: 12825, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1185205, positive: 1116841, positive conditional: 215912, positive unconditional: 900929, negative: 68364, negative conditional: 1748, negative unconditional: 66616, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1185205, positive: 1116841, positive conditional: 215912, positive unconditional: 900929, negative: 68364, negative conditional: 1748, negative unconditional: 66616, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2459, positive: 2423, positive conditional: 26, positive unconditional: 2397, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2459, positive: 2388, positive conditional: 0, positive unconditional: 2388, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 35, positive conditional: 23, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, positive: 73, positive conditional: 43, positive unconditional: 30, negative: 135, negative conditional: 12, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1185205, positive: 1114418, positive conditional: 215886, positive unconditional: 898532, negative: 68328, negative conditional: 1739, negative unconditional: 66589, unknown: 2459, unknown conditional: 35, unknown unconditional: 2424] , Statistics on independence cache: Total cache size (in pairs): 2459, Positive cache size: 2423, Positive conditional cache size: 26, Positive unconditional cache size: 2397, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, Eliminated conditions: 952316, Maximal queried relation: 5, Independence queries for same thread: 21976 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1570, Number of persistent set computation: 28375, Number of trivial persistent sets: 25979, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2388, positive: 2361, positive conditional: 0, positive unconditional: 2361, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1151642, positive: 1116841, positive conditional: 1114480, positive unconditional: 2361, negative: 34801, negative conditional: 34774, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1129666, positive: 1116841, positive conditional: 1114480, positive unconditional: 2361, negative: 12825, negative conditional: 12798, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1129666, positive: 1116841, positive conditional: 1114480, positive unconditional: 2361, negative: 12825, negative conditional: 12798, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1185205, positive: 1116841, positive conditional: 1114437, positive unconditional: 2404, negative: 68364, negative conditional: 55539, negative unconditional: 12825, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1185205, positive: 1116841, positive conditional: 215912, positive unconditional: 900929, negative: 68364, negative conditional: 1748, negative unconditional: 66616, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1185205, positive: 1116841, positive conditional: 215912, positive unconditional: 900929, negative: 68364, negative conditional: 1748, negative unconditional: 66616, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2459, positive: 2423, positive conditional: 26, positive unconditional: 2397, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2459, positive: 2388, positive conditional: 0, positive unconditional: 2388, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 35, positive conditional: 23, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, positive: 73, positive conditional: 43, positive unconditional: 30, negative: 135, negative conditional: 12, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1185205, positive: 1114418, positive conditional: 215886, positive unconditional: 898532, negative: 68328, negative conditional: 1739, negative unconditional: 66589, unknown: 2459, unknown conditional: 35, unknown unconditional: 2424] , Statistics on independence cache: Total cache size (in pairs): 2459, Positive cache size: 2423, Positive conditional cache size: 26, Positive unconditional cache size: 2397, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, Eliminated conditions: 952316, Maximal queried relation: 5, Independence queries for same thread: 21976 - 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 9 procedures, 134 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 13429.4ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.7ms, PartialOrderReductionTime: 11886.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 43, 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: 31.3ms SsaConstructionTime, 175.5ms SatisfiabilityAnalysisTime, 947.2ms InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 1357 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 22:21:50,324 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 22:21:50,528 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...