/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/join_correct.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 23:24:34,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 23:24:34,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 23:24:34,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 23:24:34,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 23:24:34,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 23:24:34,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 23:24:34,154 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-Random42.epf [2021-06-14 23:24:34,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 23:24:34,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 23:24:34,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 23:24:34,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 23:24:34,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 23:24:34,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 23:24:34,189 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 23:24:34,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 23:24:34,189 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 23:24:34,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 23:24:34,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 23:24:34,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 23:24:34,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 23:24:34,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 23:24:34,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 23:24:34,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 23:24:34,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 23:24:34,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 23:24:34,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 23:24:34,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 23:24:34,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 23:24:34,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 23:24:34,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 23:24:34,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 23:24:34,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 23:24:34,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 23:24:34,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 23:24:34,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 23:24:34,192 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 23:24:34,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 23:24:34,193 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 23:24:34,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 23:24:34,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 23:24:34,193 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 23:24:34,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 23:24:34,193 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 23:24:34,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 23:24:34,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 23:24:34,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 23:24:34,531 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-14 23:24:34,532 INFO L275 PluginConnector]: CDTParser initialized [2021-06-14 23:24:34,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/join_correct.c [2021-06-14 23:24:34,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8ef395d4/fd753a0b33704c86a2e855c5964db9c0/FLAG2a3d184ac [2021-06-14 23:24:34,989 INFO L306 CDTParser]: Found 1 translation units. [2021-06-14 23:24:34,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/join_correct.c [2021-06-14 23:24:34,990 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-14 23:24:35,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8ef395d4/fd753a0b33704c86a2e855c5964db9c0/FLAG2a3d184ac [2021-06-14 23:24:35,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8ef395d4/fd753a0b33704c86a2e855c5964db9c0 [2021-06-14 23:24:35,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 23:24:35,041 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-14 23:24:35,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-14 23:24:35,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-14 23:24:35,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-14 23:24:35,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:24:35" (1/1) ... [2021-06-14 23:24:35,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b323102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35, skipping insertion in model container [2021-06-14 23:24:35,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:24:35" (1/1) ... [2021-06-14 23:24:35,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-14 23:24:35,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-14 23:24:35,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 23:24:35,255 INFO L203 MainTranslator]: Completed pre-run [2021-06-14 23:24:35,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 23:24:35,280 INFO L208 MainTranslator]: Completed translation [2021-06-14 23:24:35,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35 WrapperNode [2021-06-14 23:24:35,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-14 23:24:35,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 23:24:35,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 23:24:35,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 23:24:35,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35" (1/1) ... [2021-06-14 23:24:35,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35" (1/1) ... [2021-06-14 23:24:35,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 23:24:35,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 23:24:35,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 23:24:35,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 23:24:35,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35" (1/1) ... [2021-06-14 23:24:35,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35" (1/1) ... [2021-06-14 23:24:35,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35" (1/1) ... [2021-06-14 23:24:35,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35" (1/1) ... [2021-06-14 23:24:35,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35" (1/1) ... [2021-06-14 23:24:35,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35" (1/1) ... [2021-06-14 23:24:35,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35" (1/1) ... [2021-06-14 23:24:35,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 23:24:35,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 23:24:35,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 23:24:35,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 23:24:35,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 23:24:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-06-14 23:24:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-14 23:24:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2021-06-14 23:24:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2021-06-14 23:24:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 23:24:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 23:24:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-14 23:24:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-14 23:24:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-14 23:24:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-14 23:24:35,412 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 23:24:35,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 23:24:35,660 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-06-14 23:24:35,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:24:35 BoogieIcfgContainer [2021-06-14 23:24:35,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 23:24:35,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 23:24:35,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 23:24:35,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 23:24:35,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 11:24:35" (1/3) ... [2021-06-14 23:24:35,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f8cfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:24:35, skipping insertion in model container [2021-06-14 23:24:35,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:24:35" (2/3) ... [2021-06-14 23:24:35,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f8cfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:24:35, skipping insertion in model container [2021-06-14 23:24:35,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:24:35" (3/3) ... [2021-06-14 23:24:35,666 INFO L111 eAbstractionObserver]: Analyzing ICFG join_correct.c [2021-06-14 23:24:35,687 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 23:24:35,687 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 23:24:35,688 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 23:24:35,688 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 23:24:35,719 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,719 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,720 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,720 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,720 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,720 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,720 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,720 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,721 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,721 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,721 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,721 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,721 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,721 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,721 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,721 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,723 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,723 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,723 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,723 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:35,755 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-14 23:24:35,776 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 23:24:35,839 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 23:24:35,839 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 23:24:35,839 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 23:24:35,839 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 23:24:35,839 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 23:24:35,839 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 23:24:35,839 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 23:24:35,839 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 23:24:35,895 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:24:35,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:24:35,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1806410254, now seen corresponding path program 1 times [2021-06-14 23:24:35,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:24:35,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383828786] [2021-06-14 23:24:35,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:24:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:24:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 23:24:36,081 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:24:36,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383828786] [2021-06-14 23:24:36,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383828786] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 23:24:36,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 23:24:36,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 23:24:36,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931595603] [2021-06-14 23:24:36,087 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-14 23:24:36,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:24:36,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-14 23:24:36,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-14 23:24:36,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:36,100 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:24:36,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-06-14 23:24:36,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:36,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:36,110 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 23:24:36,110 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:24:36,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:24:36,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1044209, now seen corresponding path program 1 times [2021-06-14 23:24:36,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:24:36,111 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180826214] [2021-06-14 23:24:36,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:24:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:24:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:24:36,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:24:36,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180826214] [2021-06-14 23:24:36,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180826214] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:24:36,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056002362] [2021-06-14 23:24:36,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:24:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:24:36,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-14 23:24:36,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:24:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:24:36,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056002362] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:24:36,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:24:36,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-14 23:24:36,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362393923] [2021-06-14 23:24:36,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 23:24:36,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:24:36,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 23:24:36,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-14 23:24:36,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:36,407 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:24:36,407 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-06-14 23:24:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:24:36,671 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:24:36,671 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:24:36,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:24:36,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1629621639, now seen corresponding path program 1 times [2021-06-14 23:24:36,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:24:36,672 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974611314] [2021-06-14 23:24:36,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:24:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-14 23:24:36,693 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-14 23:24:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-14 23:24:36,711 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-14 23:24:36,738 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-14 23:24:36,738 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-14 23:24:36,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-14 23:24:36,750 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-14 23:24:36,750 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-14 23:24:36,762 WARN L313 ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,762 WARN L313 ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,762 WARN L313 ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,762 WARN L313 ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,762 WARN L313 ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,762 WARN L313 ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,762 WARN L313 ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,762 WARN L313 ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,763 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,764 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,764 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,764 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,764 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,764 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,764 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,764 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,764 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,764 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,764 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,765 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,765 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,765 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,765 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,766 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,767 WARN L313 ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,767 WARN L313 ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,767 WARN L313 ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,767 WARN L313 ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:24:36,772 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 23:24:36,772 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 23:24:36,777 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 23:24:36,777 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 23:24:36,777 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 23:24:36,778 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 23:24:36,778 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 23:24:36,778 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 23:24:36,778 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 23:24:36,778 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 23:24:36,794 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:24:36,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:24:36,795 INFO L82 PathProgramCache]: Analyzing trace with hash -931580845, now seen corresponding path program 1 times [2021-06-14 23:24:36,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:24:36,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891286029] [2021-06-14 23:24:36,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:24:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:24:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:24:36,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:24:36,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891286029] [2021-06-14 23:24:36,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891286029] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:24:36,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172670582] [2021-06-14 23:24:36,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:24:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:24:36,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-14 23:24:36,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:24:36,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:24:36,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172670582] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:24:36,982 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:24:36,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-14 23:24:36,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939157845] [2021-06-14 23:24:36,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 23:24:36,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:24:36,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 23:24:36,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-14 23:24:36,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:36,983 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:24:36,984 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-06-14 23:24:36,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:37,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:24:37,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:24:37,330 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:24:37,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:24:37,331 INFO L82 PathProgramCache]: Analyzing trace with hash 750991765, now seen corresponding path program 1 times [2021-06-14 23:24:37,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:24:37,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442312285] [2021-06-14 23:24:37,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:24:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:24:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:24:37,860 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:24:37,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442312285] [2021-06-14 23:24:37,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442312285] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:24:37,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130855802] [2021-06-14 23:24:37,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:24:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:24:37,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 23:24:37,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:24:38,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 23:24:38,028 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:24:38,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:24:38,038 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-14 23:24:38,038 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:33 [2021-06-14 23:24:38,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:24:38,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-06-14 23:24:38,189 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:24:38,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:24:38,219 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-14 23:24:38,220 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:36 [2021-06-14 23:24:38,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:24:38,485 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:24:38,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 17 [2021-06-14 23:24:38,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:24:38,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:24:38,502 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-14 23:24:38,502 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:11 [2021-06-14 23:24:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:24:38,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130855802] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:24:38,540 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:24:38,540 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-06-14 23:24:38,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659938605] [2021-06-14 23:24:38,542 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-14 23:24:38,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:24:38,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-14 23:24:38,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-06-14 23:24:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:38,545 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:24:38,545 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:24:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:24:38,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:38,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:24:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:24:39,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:24:39,136 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:24:39,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:24:39,137 INFO L82 PathProgramCache]: Analyzing trace with hash 722362614, now seen corresponding path program 1 times [2021-06-14 23:24:39,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:24:39,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226322148] [2021-06-14 23:24:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:24:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:24:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-14 23:24:39,245 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:24:39,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226322148] [2021-06-14 23:24:39,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226322148] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:24:39,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526307744] [2021-06-14 23:24:39,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:24:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:24:39,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-14 23:24:39,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:24:39,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-14 23:24:39,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:24:39,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:24:39,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-14 23:24:39,437 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:24:39,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:24:39,445 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-14 23:24:39,445 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:22 [2021-06-14 23:24:39,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-14 23:24:39,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:24:39,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:24:39,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-14 23:24:39,479 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:24:39,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:24:39,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-14 23:24:39,483 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2021-06-14 23:24:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-14 23:24:39,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526307744] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:24:39,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:24:39,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-06-14 23:24:39,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004363495] [2021-06-14 23:24:39,485 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-14 23:24:39,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:24:39,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-14 23:24:39,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-06-14 23:24:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:39,486 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:24:39,486 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 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) [2021-06-14 23:24:39,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:24:39,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:24:39,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:24:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:24:39,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:24:39,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:24:39,937 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:24:39,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:24:39,937 INFO L82 PathProgramCache]: Analyzing trace with hash -598033753, now seen corresponding path program 1 times [2021-06-14 23:24:39,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:24:39,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933885885] [2021-06-14 23:24:39,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:24:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:24:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:24:40,002 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:24:40,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933885885] [2021-06-14 23:24:40,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933885885] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:24:40,005 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697402097] [2021-06-14 23:24:40,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:24:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:24:40,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 23:24:40,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:24:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:24:40,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697402097] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 23:24:40,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-14 23:24:40,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2021-06-14 23:24:40,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217531611] [2021-06-14 23:24:40,153 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 23:24:40,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:24:40,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 23:24:40,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-14 23:24:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:40,154 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:24:40,154 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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) [2021-06-14 23:24:40,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:24:40,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:24:40,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:24:40,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:24:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:24:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:24:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:24:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 23:24:40,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:24:40,544 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2021-06-14 23:24:40,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 11:24:40 BasicIcfg [2021-06-14 23:24:40,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 23:24:40,549 INFO L168 Benchmark]: Toolchain (without parser) took 5506.39 ms. Allocated memory was 205.5 MB in the beginning and 268.4 MB in the end (delta: 62.9 MB). Free memory was 167.9 MB in the beginning and 119.4 MB in the end (delta: 48.4 MB). Peak memory consumption was 112.9 MB. Max. memory is 8.0 GB. [2021-06-14 23:24:40,549 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 205.5 MB. Free memory is still 186.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 23:24:40,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.65 ms. Allocated memory is still 205.5 MB. Free memory was 167.6 MB in the beginning and 187.4 MB in the end (delta: -19.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-06-14 23:24:40,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.71 ms. Allocated memory is still 205.5 MB. Free memory was 187.4 MB in the beginning and 186.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 23:24:40,549 INFO L168 Benchmark]: Boogie Preprocessor took 35.45 ms. Allocated memory is still 205.5 MB. Free memory was 186.3 MB in the beginning and 185.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 23:24:40,549 INFO L168 Benchmark]: RCFGBuilder took 314.95 ms. Allocated memory is still 205.5 MB. Free memory was 184.7 MB in the beginning and 170.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-06-14 23:24:40,549 INFO L168 Benchmark]: TraceAbstraction took 4884.17 ms. Allocated memory was 205.5 MB in the beginning and 268.4 MB in the end (delta: 62.9 MB). Free memory was 169.5 MB in the beginning and 119.4 MB in the end (delta: 50.1 MB). Peak memory consumption was 114.6 MB. Max. memory is 8.0 GB. [2021-06-14 23:24:40,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 205.5 MB. Free memory is still 186.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 238.65 ms. Allocated memory is still 205.5 MB. Free memory was 167.6 MB in the beginning and 187.4 MB in the end (delta: -19.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.71 ms. Allocated memory is still 205.5 MB. Free memory was 187.4 MB in the beginning and 186.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.45 ms. Allocated memory is still 205.5 MB. Free memory was 186.3 MB in the beginning and 185.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 314.95 ms. Allocated memory is still 205.5 MB. Free memory was 184.7 MB in the beginning and 170.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4884.17 ms. Allocated memory was 205.5 MB in the beginning and 268.4 MB in the end (delta: 62.9 MB). Free memory was 169.5 MB in the beginning and 119.4 MB in the end (delta: 50.1 MB). Peak memory consumption was 114.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 20 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 13, Number of persistent set computation: 191, Number of trivial persistent sets: 191, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 20 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1563, positive: 1436, positive conditional: 358, positive unconditional: 1078, negative: 127, negative conditional: 108, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1459, positive: 1436, positive conditional: 358, positive unconditional: 1078, negative: 23, negative conditional: 4, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1459, positive: 1430, positive conditional: 0, positive unconditional: 1430, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 363, positive: 356, positive conditional: 0, positive unconditional: 356, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 363, positive: 356, positive conditional: 0, positive unconditional: 356, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 68, negative conditional: 2, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1459, positive: 1074, positive conditional: 0, positive unconditional: 1074, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 363, unknown conditional: 0, unknown unconditional: 363] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 68, negative conditional: 2, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 82, negative conditional: 2, negative unconditional: 80, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 13, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 68, negative conditional: 2, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 82, negative conditional: 2, negative unconditional: 80, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 13, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 68, negative conditional: 2, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 82, negative conditional: 2, negative unconditional: 80, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 13, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 68, negative conditional: 2, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 82, negative conditional: 2, negative unconditional: 80, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 13 ], Maximal queried relation: 4, Independence queries for same thread: 104 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 137, Number of persistent set computation: 889, Number of trivial persistent sets: 874, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1563, positive: 1436, positive conditional: 358, positive unconditional: 1078, negative: 127, negative conditional: 108, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1459, positive: 1436, positive conditional: 358, positive unconditional: 1078, negative: 23, negative conditional: 4, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1459, positive: 1430, positive conditional: 0, positive unconditional: 1430, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 363, positive: 356, positive conditional: 0, positive unconditional: 356, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 363, positive: 356, positive conditional: 0, positive unconditional: 356, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 68, negative conditional: 2, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1459, positive: 1074, positive conditional: 0, positive unconditional: 1074, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 363, unknown conditional: 0, unknown unconditional: 363] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 68, negative conditional: 2, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 82, negative conditional: 2, negative unconditional: 80, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 13, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 68, negative conditional: 2, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 82, negative conditional: 2, negative unconditional: 80, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 13, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 68, negative conditional: 2, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 82, negative conditional: 2, negative unconditional: 80, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 13, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 83, negative conditional: 3, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 68, negative conditional: 2, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 82, negative conditional: 2, negative unconditional: 80, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 13 ], Maximal queried relation: 4, Independence queries for same thread: 104 - PositiveResult [Line: 33]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 946.7ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.3ms, PartialOrderReductionTime: 88.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, 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: 27.5ms SsaConstructionTime, 94.1ms SatisfiabilityAnalysisTime, 241.4ms InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 137 SizeOfPredicates, 2 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/3 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 2 thread instances CFG has 4 procedures, 46 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3769.8ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 926.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 46, 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: 44.6ms SsaConstructionTime, 148.8ms SatisfiabilityAnalysisTime, 1581.4ms InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 286 ConstructedInterpolants, 12 QuantifiedInterpolants, 2790 SizeOfPredicates, 30 NumberOfNonLiveVariables, 376 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 40/90 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...