/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 03:13:57,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 03:13:57,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 03:13:57,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 03:13:58,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 03:13:58,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 03:13:58,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 03:13:58,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 03:13:58,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 03:13:58,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 03:13:58,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 03:13:58,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 03:13:58,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 03:13:58,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 03:13:58,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 03:13:58,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 03:13:58,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-14 03:13:58,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 03:13:58,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 03:13:58,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 03:13:58,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 03:13:58,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 03:13:58,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 03:13:58,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 03:13:58,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 03:13:58,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 03:13:58,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 03:13:58,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 03:13:58,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 03:13:58,069 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 03:13:58,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 03:13:58,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 03:13:58,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 03:13:58,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 03:13:58,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 03:13:58,071 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 03:13:58,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 03:13:58,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 03:13:58,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 03:13:58,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 03:13:58,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 03:13:58,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 03:13:58,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 03:13:58,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 03:13:58,072 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 03:13:58,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 03:13:58,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 03:13:58,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 03:13:58,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 03:13:58,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 03:13:58,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 03:13:58,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 03:13:58,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:13:58,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 03:13:58,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 03:13:58,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 03:13:58,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 03:13:58,075 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 03:13:58,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 03:13:58,075 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 03:13:58,075 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 03:13:58,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 03:13:58,076 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 03:13:58,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 03:13:58,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 03:13:58,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 03:13:58,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 03:13:58,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 03:13:58,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-14 03:13:58,362 INFO L275 PluginConnector]: CDTParser initialized [2021-06-14 03:13:58,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2021-06-14 03:13:58,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5bacdfdb/78e59f8d5a44433198390a8cd06d2a5f/FLAGf30d76f38 [2021-06-14 03:13:58,861 INFO L306 CDTParser]: Found 1 translation units. [2021-06-14 03:13:58,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2021-06-14 03:13:58,861 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-14 03:13:58,862 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-14 03:13:58,863 WARN L117 ultiparseSymbolTable]: System include stdbool.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-14 03:13:58,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5bacdfdb/78e59f8d5a44433198390a8cd06d2a5f/FLAGf30d76f38 [2021-06-14 03:13:59,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5bacdfdb/78e59f8d5a44433198390a8cd06d2a5f [2021-06-14 03:13:59,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 03:13:59,196 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-14 03:13:59,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-14 03:13:59,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-14 03:13:59,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-14 03:13:59,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 03:13:59" (1/1) ... [2021-06-14 03:13:59,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ead0fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59, skipping insertion in model container [2021-06-14 03:13:59,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 03:13:59" (1/1) ... [2021-06-14 03:13:59,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-14 03:13:59,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-14 03:13:59,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 03:13:59,350 INFO L203 MainTranslator]: Completed pre-run [2021-06-14 03:13:59,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 03:13:59,380 INFO L208 MainTranslator]: Completed translation [2021-06-14 03:13:59,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59 WrapperNode [2021-06-14 03:13:59,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-14 03:13:59,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 03:13:59,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 03:13:59,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 03:13:59,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59" (1/1) ... [2021-06-14 03:13:59,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59" (1/1) ... [2021-06-14 03:13:59,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 03:13:59,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 03:13:59,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 03:13:59,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 03:13:59,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59" (1/1) ... [2021-06-14 03:13:59,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59" (1/1) ... [2021-06-14 03:13:59,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59" (1/1) ... [2021-06-14 03:13:59,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59" (1/1) ... [2021-06-14 03:13:59,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59" (1/1) ... [2021-06-14 03:13:59,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59" (1/1) ... [2021-06-14 03:13:59,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59" (1/1) ... [2021-06-14 03:13:59,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 03:13:59,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 03:13:59,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 03:13:59,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 03:13:59,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59" (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 03:13:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-14 03:13:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 03:13:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 03:13:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-14 03:13:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrement [2021-06-14 03:13:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrement [2021-06-14 03:13:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure firstIncrement [2021-06-14 03:13:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure firstIncrement [2021-06-14 03:13:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-14 03:13:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-14 03:13:59,517 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 03:13:59,849 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 03:13:59,849 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-14 03:13:59,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:13:59 BoogieIcfgContainer [2021-06-14 03:13:59,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 03:13:59,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 03:13:59,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 03:13:59,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 03:13:59,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 03:13:59" (1/3) ... [2021-06-14 03:13:59,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562fad9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 03:13:59, skipping insertion in model container [2021-06-14 03:13:59,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:13:59" (2/3) ... [2021-06-14 03:13:59,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562fad9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 03:13:59, skipping insertion in model container [2021-06-14 03:13:59,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:13:59" (3/3) ... [2021-06-14 03:13:59,862 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads.c [2021-06-14 03:13:59,866 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 03:13:59,867 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 03:13:59,867 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 03:13:59,867 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 03:13:59,903 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,903 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,903 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,903 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,904 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,904 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,904 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,904 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,905 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,906 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,906 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,906 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,906 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,906 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,907 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,907 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,907 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,907 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,908 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,908 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,908 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,908 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,909 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,909 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,909 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,910 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,910 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,910 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,911 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,911 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,912 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,912 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,912 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,912 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,912 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,912 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,912 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,912 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,913 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,913 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,913 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,913 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,913 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,913 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,916 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,916 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,916 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,916 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,917 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork0_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,921 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,921 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,922 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,922 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,922 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:13:59,948 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-14 03:13:59,966 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 03:14:00,027 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 03:14:00,028 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 03:14:00,028 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 03:14:00,028 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 03:14:00,028 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 03:14:00,028 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 03:14:00,028 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 03:14:00,028 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 03:14:00,164 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:14:00,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:14:00,168 INFO L82 PathProgramCache]: Analyzing trace with hash -806681095, now seen corresponding path program 1 times [2021-06-14 03:14:00,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:14:00,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715371607] [2021-06-14 03:14:00,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:14:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:00,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:14:00,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715371607] [2021-06-14 03:14:00,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715371607] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:00,381 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854628327] [2021-06-14 03:14:00,381 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 03:14:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:00,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-14 03:14:00,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:14:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:00,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854628327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:00,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:14:00,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-14 03:14:00,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986942964] [2021-06-14 03:14:00,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 03:14:00,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:14:00,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 03:14:00,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-14 03:14:00,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:00,645 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:14:00,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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 03:14:00,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:00,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:00,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-14 03:14:00,951 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:14:00,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:14:00,951 INFO L82 PathProgramCache]: Analyzing trace with hash -938202137, now seen corresponding path program 2 times [2021-06-14 03:14:00,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:14:00,952 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413192899] [2021-06-14 03:14:00,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:14:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:01,091 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:14:01,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413192899] [2021-06-14 03:14:01,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413192899] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:01,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870639076] [2021-06-14 03:14:01,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:01,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:14:01,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:14:01,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 03:14:01,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:14:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:01,347 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870639076] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:01,347 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:14:01,347 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-14 03:14:01,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803728281] [2021-06-14 03:14:01,348 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-14 03:14:01,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:14:01,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-14 03:14:01,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-14 03:14:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:01,349 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:14:01,349 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 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 03:14:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:01,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:01,677 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:01,677 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:14:01,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:14:01,678 INFO L82 PathProgramCache]: Analyzing trace with hash 2021514453, now seen corresponding path program 3 times [2021-06-14 03:14:01,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:14:01,678 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017183829] [2021-06-14 03:14:01,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:14:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 44 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:01,833 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:14:01,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017183829] [2021-06-14 03:14:01,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017183829] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:01,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387177107] [2021-06-14 03:14:01,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 03:14:01,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-14 03:14:01,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:14:01,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-14 03:14:01,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:14:02,025 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 13 treesize of output 9 [2021-06-14 03:14:02,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:14:02,028 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:14:02,029 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:14:02,029 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2021-06-14 03:14:02,153 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 17 treesize of output 9 [2021-06-14 03:14:02,156 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:14:02,157 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:14:02,158 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 03:14:02,158 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2021-06-14 03:14:02,194 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-06-14 03:14:02,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387177107] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:02,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:14:02,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2021-06-14 03:14:02,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464046964] [2021-06-14 03:14:02,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 03:14:02,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:14:02,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 03:14:02,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-06-14 03:14:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:02,201 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:14:02,201 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 8.333333333333334) internal successors, (125), 15 states have internal predecessors, (125), 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 03:14:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:02,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:02,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:02,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:14:02,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:02,770 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:14:02,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:14:02,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1923251817, now seen corresponding path program 1 times [2021-06-14 03:14:02,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:14:02,771 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716874831] [2021-06-14 03:14:02,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:14:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:02,891 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 56 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:02,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:14:02,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716874831] [2021-06-14 03:14:02,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716874831] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:02,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861400557] [2021-06-14 03:14:02,892 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 03:14:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:02,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 03:14:02,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:14:03,270 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:03,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861400557] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:14:03,270 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-14 03:14:03,270 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [11] total 22 [2021-06-14 03:14:03,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131047529] [2021-06-14 03:14:03,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-14 03:14:03,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:14:03,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-14 03:14:03,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2021-06-14 03:14:03,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:03,272 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:14:03,273 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 states have internal predecessors, (96), 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 03:14:03,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:03,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:03,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:14:03,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:03,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:03,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:03,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:14:03,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:03,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:03,734 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:14:03,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:14:03,734 INFO L82 PathProgramCache]: Analyzing trace with hash -441108115, now seen corresponding path program 2 times [2021-06-14 03:14:03,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:14:03,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45852732] [2021-06-14 03:14:03,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:14:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 117 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:04,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:14:04,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45852732] [2021-06-14 03:14:04,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45852732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:04,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768507100] [2021-06-14 03:14:04,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 03:14:04,074 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:14:04,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:14:04,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-14 03:14:04,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:14:04,291 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:04,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768507100] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:14:04,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-14 03:14:04,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [22] total 24 [2021-06-14 03:14:04,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426581278] [2021-06-14 03:14:04,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 03:14:04,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:14:04,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 03:14:04,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2021-06-14 03:14:04,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:04,294 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:14:04,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 22 states have (on average 4.363636363636363) internal successors, (96), 23 states have internal predecessors, (96), 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 03:14:04,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:04,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:04,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:14:04,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:04,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:06,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:06,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:06,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 03:14:06,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:06,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 03:14:06,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:06,545 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:14:06,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:14:06,545 INFO L82 PathProgramCache]: Analyzing trace with hash -411725513, now seen corresponding path program 3 times [2021-06-14 03:14:06,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:14:06,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668788757] [2021-06-14 03:14:06,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:14:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 114 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:06,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:14:06,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668788757] [2021-06-14 03:14:06,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668788757] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:06,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827504873] [2021-06-14 03:14:06,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 03:14:06,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-14 03:14:06,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:14:06,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 03:14:06,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:14:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 126 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:07,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827504873] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:07,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:14:07,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 22 [2021-06-14 03:14:07,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358857694] [2021-06-14 03:14:07,099 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 03:14:07,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:14:07,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 03:14:07,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2021-06-14 03:14:07,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:07,100 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:14:07,100 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 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 03:14:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:07,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 03:14:07,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:07,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 03:14:07,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:10,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 03:14:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:10,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:10,753 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:14:10,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:14:10,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1647074053, now seen corresponding path program 4 times [2021-06-14 03:14:10,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:14:10,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819018701] [2021-06-14 03:14:10,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:14:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 128 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:10,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:14:10,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819018701] [2021-06-14 03:14:10,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819018701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:10,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050448974] [2021-06-14 03:14:10,883 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:10,933 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:14:10,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:14:10,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 03:14:10,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:14:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:11,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050448974] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:14:11,104 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-14 03:14:11,104 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-06-14 03:14:11,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369770842] [2021-06-14 03:14:11,105 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-14 03:14:11,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:14:11,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-14 03:14:11,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-14 03:14:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:11,105 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:14:11,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 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 03:14:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 03:14:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:11,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:11,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 03:14:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:13,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:13,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:13,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:13,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-14 03:14:13,697 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:14:13,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:14:13,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1548308889, now seen corresponding path program 5 times [2021-06-14 03:14:13,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:14:13,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319862585] [2021-06-14 03:14:13,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:14:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 104 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:13,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:14:13,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319862585] [2021-06-14 03:14:13,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319862585] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:13,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153065682] [2021-06-14 03:14:13,912 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:13,972 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-14 03:14:13,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:14:13,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 03:14:13,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:14:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 126 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:14,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153065682] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:14,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:14:14,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 22 [2021-06-14 03:14:14,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604815603] [2021-06-14 03:14:14,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 03:14:14,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:14:14,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 03:14:14,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2021-06-14 03:14:14,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:14,361 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:14:14,361 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 22 states have (on average 5.454545454545454) internal successors, (120), 23 states have internal predecessors, (120), 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 03:14:14,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:14,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:14,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 03:14:14,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:14,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:14,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:14,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:14,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 03:14:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:17,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 03:14:17,362 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:17,362 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:14:17,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:14:17,363 INFO L82 PathProgramCache]: Analyzing trace with hash 650287111, now seen corresponding path program 6 times [2021-06-14 03:14:17,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:14:17,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985584448] [2021-06-14 03:14:17,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:14:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 104 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:17,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:14:17,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985584448] [2021-06-14 03:14:17,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985584448] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:17,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740687043] [2021-06-14 03:14:17,464 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:17,530 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-14 03:14:17,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:14:17,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 03:14:17,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:14:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:14:17,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740687043] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:14:17,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-14 03:14:17,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 14 [2021-06-14 03:14:17,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030862817] [2021-06-14 03:14:17,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-14 03:14:17,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:14:17,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-14 03:14:17,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-14 03:14:17,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:17,876 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:14:17,876 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 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 03:14:17,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:17,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:17,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 03:14:17,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:17,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:17,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:17,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:17,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 03:14:17,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:21,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 03:14:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 03:14:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 03:14:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:14:21,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:21,505 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:14:21,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:14:21,506 INFO L82 PathProgramCache]: Analyzing trace with hash -229718223, now seen corresponding path program 7 times [2021-06-14 03:14:21,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:14:21,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555276404] [2021-06-14 03:14:21,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:14:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-06-14 03:14:21,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:14:21,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555276404] [2021-06-14 03:14:21,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555276404] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:21,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253598373] [2021-06-14 03:14:21,535 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:14:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:14:21,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-14 03:14:21,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:14:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-06-14 03:14:21,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253598373] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:14:21,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:14:21,701 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-14 03:14:21,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416310786] [2021-06-14 03:14:21,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 03:14:21,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:14:21,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 03:14:21,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-14 03:14:21,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:21,702 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:14:21,702 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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 03:14:21,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:21,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:21,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 03:14:21,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:21,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:21,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 03:14:21,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:21,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 03:14:21,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:14:21,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:14:27,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:14:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 03:14:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:14:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 03:14:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:14:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 03:14:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:14:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:14:27,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-14 03:14:27,832 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 03:14:27,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 03:14:27 BasicIcfg [2021-06-14 03:14:27,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 03:14:27,835 INFO L168 Benchmark]: Toolchain (without parser) took 28639.15 ms. Allocated memory was 219.2 MB in the beginning and 5.0 GB in the end (delta: 4.7 GB). Free memory was 182.5 MB in the beginning and 4.0 GB in the end (delta: -3.8 GB). Peak memory consumption was 959.7 MB. Max. memory is 8.0 GB. [2021-06-14 03:14:27,835 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 219.2 MB. Free memory is still 200.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 03:14:27,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.52 ms. Allocated memory is still 219.2 MB. Free memory was 182.3 MB in the beginning and 202.4 MB in the end (delta: -20.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-14 03:14:27,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.65 ms. Allocated memory is still 219.2 MB. Free memory was 202.4 MB in the beginning and 200.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 03:14:27,835 INFO L168 Benchmark]: Boogie Preprocessor took 33.76 ms. Allocated memory is still 219.2 MB. Free memory was 200.7 MB in the beginning and 199.8 MB in the end (delta: 924.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 03:14:27,835 INFO L168 Benchmark]: RCFGBuilder took 388.44 ms. Allocated memory is still 219.2 MB. Free memory was 199.2 MB in the beginning and 183.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-06-14 03:14:27,836 INFO L168 Benchmark]: TraceAbstraction took 27977.13 ms. Allocated memory was 219.2 MB in the beginning and 5.0 GB in the end (delta: 4.7 GB). Free memory was 182.5 MB in the beginning and 4.0 GB in the end (delta: -3.8 GB). Peak memory consumption was 959.7 MB. Max. memory is 8.0 GB. [2021-06-14 03:14:27,836 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 219.2 MB. Free memory is still 200.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 182.52 ms. Allocated memory is still 219.2 MB. Free memory was 182.3 MB in the beginning and 202.4 MB in the end (delta: -20.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.65 ms. Allocated memory is still 219.2 MB. Free memory was 202.4 MB in the beginning and 200.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.76 ms. Allocated memory is still 219.2 MB. Free memory was 200.7 MB in the beginning and 199.8 MB in the end (delta: 924.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 388.44 ms. Allocated memory is still 219.2 MB. Free memory was 199.2 MB in the beginning and 183.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 27977.13 ms. Allocated memory was 219.2 MB in the beginning and 5.0 GB in the end (delta: 4.7 GB). Free memory was 182.5 MB in the beginning and 4.0 GB in the end (delta: -3.8 GB). Peak memory consumption was 959.7 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: 1308921, positive: 1027950, positive conditional: 1027950, positive unconditional: 0, negative: 280971, negative conditional: 280971, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1043532, positive: 1027950, positive conditional: 1027950, positive unconditional: 0, negative: 15582, negative conditional: 15582, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1043532, positive: 1027950, positive conditional: 0, positive unconditional: 1027950, negative: 15582, negative conditional: 0, negative unconditional: 15582, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 533, positive: 526, positive conditional: 0, positive unconditional: 526, 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: 533, positive: 526, positive conditional: 0, positive unconditional: 526, 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: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 208, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 321, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 321, negative conditional: 262, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1043532, positive: 1027424, positive conditional: 0, positive unconditional: 1027424, negative: 15575, negative conditional: 0, negative unconditional: 15575, unknown: 533, unknown conditional: 0, unknown unconditional: 533] , Statistics on independence cache: Total cache size (in pairs): 741, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 215, Negative conditional cache size: 208, Negative unconditional cache size: 7, SemanticConditionEliminator.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 208, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 321, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 321, negative conditional: 262, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 126903, negative conditional: 23674, negative unconditional: 103229, unknown: 208, unknown conditional: 208, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 741, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 215, Negative conditional cache size: 208, Negative unconditional cache size: 7, Eliminated conditions: 103229, SemanticConditionEliminator.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 208, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 321, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 321, negative conditional: 262, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 126903, negative conditional: 23674, negative unconditional: 103229, unknown: 208, unknown conditional: 208, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 741, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 215, Negative conditional cache size: 208, Negative unconditional cache size: 7, Eliminated conditions: 103229, SemanticConditionEliminator.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 208, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 321, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 321, negative conditional: 262, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 126903, negative conditional: 23674, negative unconditional: 103229, unknown: 208, unknown conditional: 208, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 741, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 215, Negative conditional cache size: 208, Negative unconditional cache size: 7, Eliminated conditions: 103229, SemanticConditionEliminator.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 208, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 321, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 321, negative conditional: 262, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 126903, negative conditional: 23674, negative unconditional: 103229, unknown: 208, unknown conditional: 208, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 741, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 215, Negative conditional cache size: 208, Negative unconditional cache size: 7, Eliminated conditions: 103229, SemanticConditionEliminator.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 208, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 321, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 321, negative conditional: 262, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 126903, negative conditional: 23674, negative unconditional: 103229, unknown: 208, unknown conditional: 208, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 741, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 215, Negative conditional cache size: 208, Negative unconditional cache size: 7, Eliminated conditions: 103229, SemanticConditionEliminator.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 208, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 321, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 321, negative conditional: 262, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 126903, negative conditional: 23674, negative unconditional: 103229, unknown: 208, unknown conditional: 208, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 741, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 215, Negative conditional cache size: 208, Negative unconditional cache size: 7, Eliminated conditions: 103229, SemanticConditionEliminator.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 208, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 321, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 321, negative conditional: 262, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 126903, negative conditional: 23674, negative unconditional: 103229, unknown: 208, unknown conditional: 208, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 741, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 215, Negative conditional cache size: 208, Negative unconditional cache size: 7, Eliminated conditions: 103229, SemanticConditionEliminator.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 208, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 321, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 321, negative conditional: 262, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 126903, negative conditional: 23674, negative unconditional: 103229, unknown: 208, unknown conditional: 208, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 741, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 215, Negative conditional cache size: 208, Negative unconditional cache size: 7, Eliminated conditions: 103229, SemanticConditionEliminator.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 208, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 321, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 321, negative conditional: 262, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 126903, negative conditional: 23674, negative unconditional: 103229, unknown: 208, unknown conditional: 208, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 741, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 215, Negative conditional cache size: 208, Negative unconditional cache size: 7, Eliminated conditions: 103229, SemanticConditionEliminator.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127111, negative conditional: 23882, negative unconditional: 103229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 208, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 321, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 321, negative conditional: 262, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 127111, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 126903, negative conditional: 23674, negative unconditional: 103229, unknown: 208, unknown conditional: 208, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 741, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 215, Negative conditional cache size: 208, Negative unconditional cache size: 7, Eliminated conditions: 103229 ], Maximal queried relation: 10, Independence queries for same thread: 265389 - PositiveResult [Line: 46]: 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 5 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27838.6ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.5ms, PartialOrderReductionTime: 20886.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 204, 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: 125.5ms SsaConstructionTime, 438.5ms SatisfiabilityAnalysisTime, 3549.2ms InterpolantComputationTime, 1728 NumberOfCodeBlocks, 1712 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 1708 ConstructedInterpolants, 0 QuantifiedInterpolants, 4516 SizeOfPredicates, 102 NumberOfNonLiveVariables, 1504 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 1707/2028 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...