/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-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/add-sub20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 10:33:38,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 10:33:38,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 10:33:38,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 10:33:38,611 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-Uncond-NoLbe-Random7777.epf [2021-10-25 10:33:38,628 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 10:33:38,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 10:33:38,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 10:33:38,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 10:33:38,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 10:33:38,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 10:33:38,630 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 10:33:38,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 10:33:38,631 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 10:33:38,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 10:33:38,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 10:33:38,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 10:33:38,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 10:33:38,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 10:33:38,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 10:33:38,632 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 10:33:38,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 10:33:38,632 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 10:33:38,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 10:33:38,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 10:33:38,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 10:33:38,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 10:33:38,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 10:33:38,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 10:33:38,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 10:33:38,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 10:33:38,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 10:33:38,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 10:33:38,633 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 10:33:38,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 10:33:38,634 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 10:33:38,634 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 10:33:38,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 10:33:38,634 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 10:33:38,634 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 10:33:38,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 10:33:38,634 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-25 10:33:38,634 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 10:33:38,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 10:33:38,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 10:33:38,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 10:33:38,839 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 10:33:38,842 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 10:33:38,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub20.bpl [2021-10-25 10:33:38,842 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub20.bpl' [2021-10-25 10:33:38,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 10:33:38,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 10:33:38,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 10:33:38,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 10:33:38,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 10:33:38,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:33:38" (1/1) ... [2021-10-25 10:33:38,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:33:38" (1/1) ... [2021-10-25 10:33:38,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 10:33:38,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 10:33:38,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 10:33:38,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 10:33:38,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:33:38" (1/1) ... [2021-10-25 10:33:38,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:33:38" (1/1) ... [2021-10-25 10:33:38,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:33:38" (1/1) ... [2021-10-25 10:33:38,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:33:38" (1/1) ... [2021-10-25 10:33:38,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:33:38" (1/1) ... [2021-10-25 10:33:38,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:33:38" (1/1) ... [2021-10-25 10:33:38,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:33:38" (1/1) ... [2021-10-25 10:33:38,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 10:33:38,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 10:33:38,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 10:33:38,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 10:33:38,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:33:38" (1/1) ... [2021-10-25 10:33:38,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 10:33:38,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 10:33:38,946 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) [2021-10-25 10:33:38,950 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 [2021-10-25 10:33:38,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 10:33:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 10:33:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 10:33:38,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-10-25 10:33:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-10-25 10:33:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-10-25 10:33:38,973 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 10:33:39,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 10:33:39,092 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-25 10:33:39,093 INFO L202 PluginConnector]: Adding new model add-sub20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:33:39 BoogieIcfgContainer [2021-10-25 10:33:39,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 10:33:39,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 10:33:39,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 10:33:39,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 10:33:39,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:33:38" (1/2) ... [2021-10-25 10:33:39,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ff3ffb and model type add-sub20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:33:39, skipping insertion in model container [2021-10-25 10:33:39,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:33:39" (2/2) ... [2021-10-25 10:33:39,101 INFO L111 eAbstractionObserver]: Analyzing ICFG add-sub20.bpl [2021-10-25 10:33:39,104 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 10:33:39,104 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 10:33:39,104 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 10:33:39,104 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 10:33:39,287 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,288 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,288 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,288 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,288 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,288 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,288 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,289 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,289 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,289 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,289 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,289 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,289 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,289 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,289 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,290 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,290 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,290 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,290 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,290 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,290 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,290 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,291 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,291 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,291 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,291 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,291 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,291 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,291 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,291 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,292 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,292 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,292 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,292 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,292 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,292 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,292 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,292 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,293 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,293 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,293 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,293 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,293 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,293 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,293 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,293 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,294 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,294 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,294 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,294 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,294 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,294 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,294 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,295 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,295 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,295 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,295 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,295 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,295 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,296 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,297 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,297 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,297 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,297 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,297 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,297 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,297 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,298 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,298 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,298 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,298 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,298 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,298 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,298 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,298 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,299 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,299 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,299 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,299 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,299 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,299 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,299 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,299 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,300 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,300 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,300 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,300 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,300 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,300 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,300 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,301 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,301 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,301 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,301 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,301 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,301 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,301 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,301 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,302 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,302 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,302 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,302 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,302 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,302 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,302 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,302 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,302 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,303 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,303 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,303 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,303 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,303 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,303 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,303 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,304 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,304 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,304 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,304 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,304 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,304 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,306 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,312 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,315 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,318 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,319 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,321 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,323 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,327 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,329 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,331 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,333 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,335 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,338 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,340 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,343 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,345 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,348 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,351 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,354 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,358 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 10:33:39,409 INFO L148 ThreadInstanceAdder]: Constructed 20 joinOtherThreadTransitions. [2021-10-25 10:33:39,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 10:33:39,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 10:33:39,452 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) [2021-10-25 10:33:39,453 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 [2021-10-25 10:33:39,477 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 10:33:39,483 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 [2021-10-25 10:33:39,483 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations.