/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/showcase/Bakery.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 03:02:34,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 03:02:34,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 03:02:34,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 03:02:34,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 03:02:34,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 03:02:34,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 03:02:34,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 03:02:34,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 03:02:34,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 03:02:34,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 03:02:34,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 03:02:34,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 03:02:34,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 03:02:34,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 03:02:34,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 03:02:34,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 03:02:34,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 03:02:34,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 03:02:34,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 03:02:34,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 03:02:34,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 03:02:34,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 03:02:34,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 03:02:34,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 03:02:34,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 03:02:34,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 03:02:34,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 03:02:34,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 03:02:34,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 03:02:34,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 03:02:34,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 03:02:34,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 03:02:34,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 03:02:34,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 03:02:34,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 03:02:34,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 03:02:34,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 03:02:34,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 03:02:34,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 03:02:34,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 03:02:34,743 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-DelaySleep-NoLbe.epf [2021-06-06 03:02:34,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 03:02:34,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 03:02:34,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 03:02:34,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 03:02:34,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 03:02:34,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 03:02:34,771 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 03:02:34,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 03:02:34,771 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 03:02:34,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 03:02:34,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 03:02:34,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 03:02:34,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 03:02:34,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 03:02:34,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 03:02:34,772 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 03:02:34,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 03:02:34,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 03:02:34,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 03:02:34,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 03:02:34,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 03:02:34,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 03:02:34,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 03:02:34,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 03:02:34,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 03:02:34,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 03:02:34,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 03:02:34,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 03:02:34,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 03:02:34,775 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 03:02:34,775 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 03:02:34,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 03:02:34,775 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 03:02:34,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 03:02:35,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 03:02:35,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 03:02:35,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 03:02:35,101 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 03:02:35,104 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 03:02:35,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Bakery.bpl [2021-06-06 03:02:35,114 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Bakery.bpl' [2021-06-06 03:02:35,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 03:02:35,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 03:02:35,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 03:02:35,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 03:02:35,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 03:02:35,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:35" (1/1) ... [2021-06-06 03:02:35,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:35" (1/1) ... [2021-06-06 03:02:35,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 03:02:35,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 03:02:35,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 03:02:35,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 03:02:35,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:35" (1/1) ... [2021-06-06 03:02:35,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:35" (1/1) ... [2021-06-06 03:02:35,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:35" (1/1) ... [2021-06-06 03:02:35,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:35" (1/1) ... [2021-06-06 03:02:35,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:35" (1/1) ... [2021-06-06 03:02:35,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:35" (1/1) ... [2021-06-06 03:02:35,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:35" (1/1) ... [2021-06-06 03:02:35,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 03:02:35,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 03:02:35,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 03:02:35,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 03:02:35,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 03:02:35,248 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process0 given in one single declaration [2021-06-06 03:02:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure Process0 [2021-06-06 03:02:35,248 INFO L138 BoogieDeclarations]: Found implementation of procedure Process0 [2021-06-06 03:02:35,248 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process1 given in one single declaration [2021-06-06 03:02:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure Process1 [2021-06-06 03:02:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure Process1 [2021-06-06 03:02:35,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 03:02:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 03:02:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 03:02:35,250 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 03:02:35,388 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 03:02:35,388 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 03:02:35,389 INFO L202 PluginConnector]: Adding new model Bakery.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:02:35 BoogieIcfgContainer [2021-06-06 03:02:35,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 03:02:35,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 03:02:35,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 03:02:35,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 03:02:35,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:35" (1/2) ... [2021-06-06 03:02:35,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a927211 and model type Bakery.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 03:02:35, skipping insertion in model container [2021-06-06 03:02:35,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Bakery.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:02:35" (2/2) ... [2021-06-06 03:02:35,395 INFO L111 eAbstractionObserver]: Analyzing ICFG Bakery.bpl [2021-06-06 03:02:35,400 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 03:02:35,400 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 03:02:35,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-06 03:02:35,401 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 03:02:35,447 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 03:02:35,469 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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 [2021-06-06 03:02:35,527 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:02:35,527 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:02:35,527 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:02:35,527 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:02:35,527 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:02:35,528 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:02:35,528 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:02:35,528 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process0======== [2021-06-06 03:02:35,690 INFO L301 ceAbstractionStarter]: Result for error location Process0 was SAFE (1/5) [2021-06-06 03:02:35,692 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-06 03:02:35,704 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:02:35,705 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:02:35,705 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:02:35,705 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:02:35,705 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:02:35,705 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:02:35,705 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:02:35,705 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process1======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 03:02:35,810 INFO L301 ceAbstractionStarter]: Result for error location Process1 was SAFE (2/5) [2021-06-06 03:02:35,811 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 03:02:35,820 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:02:35,820 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:02:35,820 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:02:35,820 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:02:35,820 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:02:35,820 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:02:35,820 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:02:35,820 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 03:02:35,941 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (3/5) [2021-06-06 03:02:35,942 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 03:02:35,948 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:02:35,948 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:02:35,948 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:02:35,948 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:02:35,949 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:02:35,949 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:02:35,949 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:02:35,949 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process1Thread1of1ForFork1======== [2021-06-06 03:02:35,953 INFO L430 AbstractCegarLoop]: === Iteration 1 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:35,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:35,958 INFO L82 PathProgramCache]: Analyzing trace with hash 574023343, now seen corresponding path program 1 times [2021-06-06 03:02:35,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:35,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721677715] [2021-06-06 03:02:35,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:02:36,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:36,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721677715] [2021-06-06 03:02:36,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721677715] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:36,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:36,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 03:02:36,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375271886] [2021-06-06 03:02:36,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 03:02:36,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:36,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 03:02:36,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-06 03:02:36,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:36,104 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:36,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-06-06 03:02:36,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:36,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:36,155 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 03:02:36,155 INFO L430 AbstractCegarLoop]: === Iteration 2 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:36,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:36,156 INFO L82 PathProgramCache]: Analyzing trace with hash -269211021, now seen corresponding path program 2 times [2021-06-06 03:02:36,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:36,156 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774635888] [2021-06-06 03:02:36,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:36,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:02:36,175 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:36,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774635888] [2021-06-06 03:02:36,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774635888] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:36,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:36,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 03:02:36,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417752442] [2021-06-06 03:02:36,177 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:36,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:36,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:36,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:36,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:36,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:36,178 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-06-06 03:02:36,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:36,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:36,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:36,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:36,217 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 03:02:36,218 INFO L430 AbstractCegarLoop]: === Iteration 3 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:36,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:36,218 INFO L82 PathProgramCache]: Analyzing trace with hash -857127552, now seen corresponding path program 1 times [2021-06-06 03:02:36,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:36,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283388046] [2021-06-06 03:02:36,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:02:36,280 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:36,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283388046] [2021-06-06 03:02:36,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283388046] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:36,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893496091] [2021-06-06 03:02:36,281 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 [2021-06-06 03:02:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:36,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 03:02:36,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:02:36,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893496091] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:36,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:02:36,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-06 03:02:36,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452723424] [2021-06-06 03:02:36,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 03:02:36,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:36,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 03:02:36,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-06 03:02:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:36,401 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:36,401 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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) [2021-06-06 03:02:36,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:36,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:36,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:02:36,687 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:36,688 INFO L430 AbstractCegarLoop]: === Iteration 4 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:36,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:36,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1907570948, now seen corresponding path program 2 times [2021-06-06 03:02:36,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:36,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92439065] [2021-06-06 03:02:36,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:02:36,751 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:36,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92439065] [2021-06-06 03:02:36,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92439065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:36,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094453075] [2021-06-06 03:02:36,752 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 [2021-06-06 03:02:36,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-06-06 03:02:36,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:02:36,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-06 03:02:36,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:36,880 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-06 03:02:36,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094453075] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:36,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 03:02:36,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-06-06 03:02:36,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247402261] [2021-06-06 03:02:36,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 03:02:36,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:36,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 03:02:36,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-06 03:02:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:36,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:36,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2021-06-06 03:02:36,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:36,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:36,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:02:36,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:36,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:36,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:36,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:02:36,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:37,133 INFO L430 AbstractCegarLoop]: === Iteration 5 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:37,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:37,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1709970128, now seen corresponding path program 3 times [2021-06-06 03:02:37,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:37,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688173588] [2021-06-06 03:02:37,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:02:37,176 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:37,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688173588] [2021-06-06 03:02:37,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688173588] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:37,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:37,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 03:02:37,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169879646] [2021-06-06 03:02:37,177 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 03:02:37,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:37,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 03:02:37,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-06 03:02:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:37,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:37,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2021-06-06 03:02:37,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:37,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:37,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:02:37,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:37,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:37,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:37,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:02:37,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,213 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 03:02:37,213 INFO L430 AbstractCegarLoop]: === Iteration 6 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:37,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:37,214 INFO L82 PathProgramCache]: Analyzing trace with hash 676252412, now seen corresponding path program 4 times [2021-06-06 03:02:37,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:37,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436199123] [2021-06-06 03:02:37,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:37,254 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:02:37,254 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:37,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436199123] [2021-06-06 03:02:37,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436199123] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:37,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389288888] [2021-06-06 03:02:37,255 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 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 [2021-06-06 03:02:37,285 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 03:02:37,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:02:37,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 03:02:37,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:02:37,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389288888] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:37,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:02:37,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-06 03:02:37,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830494106] [2021-06-06 03:02:37,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 03:02:37,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:37,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 03:02:37,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-06 03:02:37,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:37,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:37,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2021-06-06 03:02:37,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:37,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:37,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:02:37,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:02:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:02:37,657 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:37,657 INFO L430 AbstractCegarLoop]: === Iteration 7 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:37,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:37,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1724933346, now seen corresponding path program 5 times [2021-06-06 03:02:37,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:37,658 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538612840] [2021-06-06 03:02:37,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 03:02:37,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:37,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538612840] [2021-06-06 03:02:37,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538612840] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:37,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:37,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 03:02:37,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019957438] [2021-06-06 03:02:37,690 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 03:02:37,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:37,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 03:02:37,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-06 03:02:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:37,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:37,690 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-06-06 03:02:37,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:37,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:37,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:02:37,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:02:37,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:37,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:02:37,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:02:37,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-06 03:02:37,749 INFO L430 AbstractCegarLoop]: === Iteration 8 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:37,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:37,749 INFO L82 PathProgramCache]: Analyzing trace with hash -198790382, now seen corresponding path program 6 times [2021-06-06 03:02:37,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:37,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893518538] [2021-06-06 03:02:37,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 03:02:37,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:37,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893518538] [2021-06-06 03:02:37,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893518538] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:37,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:37,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 03:02:37,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047963657] [2021-06-06 03:02:37,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 03:02:37,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:37,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 03:02:37,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-06 03:02:37,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:37,796 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:37,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2021-06-06 03:02:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:02:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:02:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:02:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:02:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:02:37,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-06 03:02:37,892 INFO L301 ceAbstractionStarter]: Result for error location Process1Thread1of1ForFork1 was SAFE (4/5) [2021-06-06 03:02:37,893 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 03:02:37,904 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:02:37,904 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:02:37,904 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:02:37,904 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:02:37,904 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:02:37,904 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:02:37,904 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:02:37,904 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process0Thread1of1ForFork0======== [2021-06-06 03:02:37,906 INFO L430 AbstractCegarLoop]: === Iteration 1 === [Process0Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:37,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:37,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1948731573, now seen corresponding path program 1 times [2021-06-06 03:02:37,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:37,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423126125] [2021-06-06 03:02:37,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:37,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:02:37,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:37,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423126125] [2021-06-06 03:02:37,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423126125] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:37,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:37,938 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 03:02:37,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681036908] [2021-06-06 03:02:37,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 03:02:37,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:37,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 03:02:37,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-06 03:02:37,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:37,939 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:37,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-06-06 03:02:37,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:37,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:37,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-06 03:02:37,971 INFO L430 AbstractCegarLoop]: === Iteration 2 === [Process0Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:37,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:37,971 INFO L82 PathProgramCache]: Analyzing trace with hash -393575791, now seen corresponding path program 1 times [2021-06-06 03:02:37,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:37,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657554886] [2021-06-06 03:02:37,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:02:37,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:37,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657554886] [2021-06-06 03:02:37,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657554886] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:37,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:37,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-06 03:02:37,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864111249] [2021-06-06 03:02:37,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:37,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:38,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:38,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:38,000 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:38,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-06-06 03:02:38,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:38,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:38,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:38,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:38,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-06 03:02:38,069 INFO L430 AbstractCegarLoop]: === Iteration 3 === [Process0Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:38,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:38,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1905718445, now seen corresponding path program 1 times [2021-06-06 03:02:38,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:38,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480097959] [2021-06-06 03:02:38,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 03:02:38,122 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:38,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480097959] [2021-06-06 03:02:38,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480097959] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:38,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:38,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 03:02:38,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475105871] [2021-06-06 03:02:38,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 03:02:38,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:38,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 03:02:38,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 03:02:38,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:38,126 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:38,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:02:38,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:38,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:38,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:02:38,173 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-06 03:02:38,173 INFO L430 AbstractCegarLoop]: === Iteration 4 === [Process0Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:38,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:38,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1015120843, now seen corresponding path program 2 times [2021-06-06 03:02:38,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:38,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335975121] [2021-06-06 03:02:38,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:38,211 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-06 03:02:38,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:38,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335975121] [2021-06-06 03:02:38,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335975121] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:38,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:38,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 03:02:38,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192697963] [2021-06-06 03:02:38,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 03:02:38,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:38,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 03:02:38,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-06 03:02:38,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:38,213 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:38,213 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-06-06 03:02:38,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:38,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:38,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:02:38,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:02:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:38,252 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-06 03:02:38,252 INFO L430 AbstractCegarLoop]: === Iteration 5 === [Process0Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:38,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:38,252 INFO L82 PathProgramCache]: Analyzing trace with hash 159016655, now seen corresponding path program 3 times [2021-06-06 03:02:38,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:38,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783228483] [2021-06-06 03:02:38,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 03:02:38,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:38,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783228483] [2021-06-06 03:02:38,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783228483] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:38,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018881656] [2021-06-06 03:02:38,289 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 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 [2021-06-06 03:02:38,321 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 03:02:38,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:02:38,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 03:02:38,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 38 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-06 03:02:38,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018881656] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:38,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:02:38,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-06 03:02:38,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187317850] [2021-06-06 03:02:38,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 03:02:38,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:38,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 03:02:38,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-06-06 03:02:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:38,399 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:38,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-06-06 03:02:38,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:38,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:38,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:02:38,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:38,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:02:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:02:38,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:38,680 INFO L430 AbstractCegarLoop]: === Iteration 6 === [Process0Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:38,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:38,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1903722989, now seen corresponding path program 4 times [2021-06-06 03:02:38,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:38,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722179236] [2021-06-06 03:02:38,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:02:38,710 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:38,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722179236] [2021-06-06 03:02:38,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722179236] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:38,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298761116] [2021-06-06 03:02:38,710 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 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 [2021-06-06 03:02:38,735 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 03:02:38,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:02:38,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-06 03:02:38,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:02:38,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298761116] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:38,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:02:38,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-06 03:02:38,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658575845] [2021-06-06 03:02:38,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 03:02:38,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:38,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 03:02:38,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-06 03:02:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:38,791 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:38,791 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2021-06-06 03:02:38,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:38,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:38,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:02:38,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:38,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:02:38,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:38,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:38,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:38,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:02:38,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:38,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:02:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:39,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:39,068 INFO L430 AbstractCegarLoop]: === Iteration 7 === [Process0Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:39,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:39,068 INFO L82 PathProgramCache]: Analyzing trace with hash -194942423, now seen corresponding path program 5 times [2021-06-06 03:02:39,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:39,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309072016] [2021-06-06 03:02:39,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:39,101 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 03:02:39,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:39,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309072016] [2021-06-06 03:02:39,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309072016] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:39,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:39,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 03:02:39,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242983082] [2021-06-06 03:02:39,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 03:02:39,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:39,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 03:02:39,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-06 03:02:39,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:39,103 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:39,103 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2021-06-06 03:02:39,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:39,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:39,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:02:39,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:39,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:02:39,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:39,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:02:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:02:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:02:39,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:02:39,180 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-06 03:02:39,181 INFO L301 ceAbstractionStarter]: Result for error location Process0Thread1of1ForFork0 was SAFE (5/5) [2021-06-06 03:02:39,182 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 03:02:39,184 INFO L202 PluginConnector]: Adding new model Bakery.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 03:02:39 BasicIcfg [2021-06-06 03:02:39,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 03:02:39,185 INFO L168 Benchmark]: Toolchain (without parser) took 4053.25 ms. Allocated memory is still 335.5 MB. Free memory was 314.7 MB in the beginning and 122.8 MB in the end (delta: 191.9 MB). Peak memory consumption was 194.0 MB. Max. memory is 16.0 GB. [2021-06-06 03:02:39,185 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 335.5 MB. Free memory is still 315.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 03:02:39,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.60 ms. Allocated memory is still 335.5 MB. Free memory was 314.7 MB in the beginning and 313.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 03:02:39,185 INFO L168 Benchmark]: Boogie Preprocessor took 15.71 ms. Allocated memory is still 335.5 MB. Free memory was 313.1 MB in the beginning and 312.2 MB in the end (delta: 946.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 03:02:39,185 INFO L168 Benchmark]: RCFGBuilder took 214.32 ms. Allocated memory is still 335.5 MB. Free memory was 312.2 MB in the beginning and 302.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-06 03:02:39,186 INFO L168 Benchmark]: TraceAbstraction took 3793.68 ms. Allocated memory is still 335.5 MB. Free memory was 301.5 MB in the beginning and 122.8 MB in the end (delta: 178.7 MB). Peak memory consumption was 179.3 MB. Max. memory is 16.0 GB. [2021-06-06 03:02:39,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 335.5 MB. Free memory is still 315.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.60 ms. Allocated memory is still 335.5 MB. Free memory was 314.7 MB in the beginning and 313.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.71 ms. Allocated memory is still 335.5 MB. Free memory was 313.1 MB in the beginning and 312.2 MB in the end (delta: 946.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 214.32 ms. Allocated memory is still 335.5 MB. Free memory was 312.2 MB in the beginning and 302.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3793.68 ms. Allocated memory is still 335.5 MB. Free memory was 301.5 MB in the beginning and 122.8 MB in the end (delta: 178.7 MB). Peak memory consumption was 179.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 367, positive: 283, positive conditional: 283, positive unconditional: 0, negative: 84, negative conditional: 84, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 305, positive: 283, positive conditional: 283, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 305, positive: 283, positive conditional: 0, positive unconditional: 283, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 110, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 110, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 305, positive: 184, positive conditional: 0, positive unconditional: 184, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 110, unknown conditional: 0, unknown unconditional: 110] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 ], Maximal queried relation: 0, Independence queries for same thread: 62 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 367, positive: 283, positive conditional: 283, positive unconditional: 0, negative: 84, negative conditional: 84, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 305, positive: 283, positive conditional: 283, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 305, positive: 283, positive conditional: 0, positive unconditional: 283, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 110, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 110, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 305, positive: 184, positive conditional: 0, positive unconditional: 184, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 110, unknown conditional: 0, unknown unconditional: 110] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 ], Maximal queried relation: 0, Independence queries for same thread: 62 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 367, positive: 283, positive conditional: 283, positive unconditional: 0, negative: 84, negative conditional: 84, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 305, positive: 283, positive conditional: 283, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 305, positive: 283, positive conditional: 0, positive unconditional: 283, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 110, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 110, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 305, positive: 184, positive conditional: 0, positive unconditional: 184, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 110, unknown conditional: 0, unknown unconditional: 110] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 ], Maximal queried relation: 0, Independence queries for same thread: 62 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1268, positive: 908, positive conditional: 908, positive unconditional: 0, negative: 360, negative conditional: 360, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1014, positive: 908, positive conditional: 908, positive unconditional: 0, negative: 106, negative conditional: 106, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1014, positive: 908, positive conditional: 0, positive unconditional: 908, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 69, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 69, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 39, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 90, negative conditional: 65, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1014, positive: 845, positive conditional: 0, positive unconditional: 845, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 69, unknown conditional: 0, unknown unconditional: 69] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 45, Negative conditional cache size: 39, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 39, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 90, negative conditional: 65, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 591, negative conditional: 251, negative unconditional: 340, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 45, Negative conditional cache size: 39, Negative unconditional cache size: 6, Eliminated conditions: 340, SemanticConditionEliminator.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 39, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 90, negative conditional: 65, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 591, negative conditional: 251, negative unconditional: 340, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 45, Negative conditional cache size: 39, Negative unconditional cache size: 6, Eliminated conditions: 340, SemanticConditionEliminator.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 39, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 90, negative conditional: 65, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 591, negative conditional: 251, negative unconditional: 340, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 45, Negative conditional cache size: 39, Negative unconditional cache size: 6, Eliminated conditions: 340, SemanticConditionEliminator.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 39, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 90, negative conditional: 65, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 591, negative conditional: 251, negative unconditional: 340, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 45, Negative conditional cache size: 39, Negative unconditional cache size: 6, Eliminated conditions: 340, SemanticConditionEliminator.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 39, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 90, negative conditional: 65, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 591, negative conditional: 251, negative unconditional: 340, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 45, Negative conditional cache size: 39, Negative unconditional cache size: 6, Eliminated conditions: 340, SemanticConditionEliminator.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 39, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 90, negative conditional: 65, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 591, negative conditional: 251, negative unconditional: 340, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 45, Negative conditional cache size: 39, Negative unconditional cache size: 6, Eliminated conditions: 340, SemanticConditionEliminator.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 39, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 90, negative conditional: 65, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 591, negative conditional: 251, negative unconditional: 340, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 45, Negative conditional cache size: 39, Negative unconditional cache size: 6, Eliminated conditions: 340, SemanticConditionEliminator.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 630, negative conditional: 290, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 39, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 90, negative conditional: 65, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 630, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 591, negative conditional: 251, negative unconditional: 340, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 45, Negative conditional cache size: 39, Negative unconditional cache size: 6, Eliminated conditions: 340 ], Maximal queried relation: 8, Independence queries for same thread: 254 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1333, positive: 941, positive conditional: 941, positive unconditional: 0, negative: 392, negative conditional: 392, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1069, positive: 941, positive conditional: 941, positive unconditional: 0, negative: 128, negative conditional: 128, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1069, positive: 933, positive conditional: 0, positive unconditional: 933, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 86, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 86, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 48, negative conditional: 37, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 69, negative conditional: 39, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1069, positive: 858, positive conditional: 0, positive unconditional: 858, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 86, unknown conditional: 0, unknown unconditional: 86] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 77, Positive conditional cache size: 2, Positive unconditional cache size: 75, Negative cache size: 48, Negative conditional cache size: 37, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 48, negative conditional: 37, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 69, negative conditional: 39, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 647, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 602, negative conditional: 202, negative unconditional: 400, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 77, Positive conditional cache size: 2, Positive unconditional cache size: 75, Negative cache size: 48, Negative conditional cache size: 37, Negative unconditional cache size: 11, Eliminated conditions: 400, SemanticConditionEliminator.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 48, negative conditional: 37, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 69, negative conditional: 39, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 647, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 602, negative conditional: 202, negative unconditional: 400, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 77, Positive conditional cache size: 2, Positive unconditional cache size: 75, Negative cache size: 48, Negative conditional cache size: 37, Negative unconditional cache size: 11, Eliminated conditions: 400, SemanticConditionEliminator.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 48, negative conditional: 37, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 69, negative conditional: 39, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 647, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 602, negative conditional: 202, negative unconditional: 400, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 77, Positive conditional cache size: 2, Positive unconditional cache size: 75, Negative cache size: 48, Negative conditional cache size: 37, Negative unconditional cache size: 11, Eliminated conditions: 400, SemanticConditionEliminator.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 48, negative conditional: 37, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 69, negative conditional: 39, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 647, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 602, negative conditional: 202, negative unconditional: 400, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 77, Positive conditional cache size: 2, Positive unconditional cache size: 75, Negative cache size: 48, Negative conditional cache size: 37, Negative unconditional cache size: 11, Eliminated conditions: 400, SemanticConditionEliminator.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 48, negative conditional: 37, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 69, negative conditional: 39, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 647, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 602, negative conditional: 202, negative unconditional: 400, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 77, Positive conditional cache size: 2, Positive unconditional cache size: 75, Negative cache size: 48, Negative conditional cache size: 37, Negative unconditional cache size: 11, Eliminated conditions: 400, SemanticConditionEliminator.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 48, negative conditional: 37, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 69, negative conditional: 39, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 647, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 602, negative conditional: 202, negative unconditional: 400, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 77, Positive conditional cache size: 2, Positive unconditional cache size: 75, Negative cache size: 48, Negative conditional cache size: 37, Negative unconditional cache size: 11, Eliminated conditions: 400, SemanticConditionEliminator.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 647, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 639, negative conditional: 239, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 48, negative conditional: 37, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 69, negative conditional: 39, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 647, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 602, negative conditional: 202, negative unconditional: 400, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 77, Positive conditional cache size: 2, Positive unconditional cache size: 75, Negative cache size: 48, Negative conditional cache size: 37, Negative unconditional cache size: 11, Eliminated conditions: 400 ], Maximal queried relation: 7, Independence queries for same thread: 264 - PositiveResult [Line: 38]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 53]: 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: Process0 with 1 thread instances CFG has 5 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 199.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.3ms, PartialOrderReductionTime: 141.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: Process1 with 1 thread instances CFG has 5 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 115.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 102.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 128.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3.1ms, PartialOrderReductionTime: 116.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: Process1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1948.3ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 433.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.8ms SsaConstructionTime, 92.7ms SatisfiabilityAnalysisTime, 528.2ms InterpolantComputationTime, 309 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 298 ConstructedInterpolants, 0 QuantifiedInterpolants, 626 SizeOfPredicates, 6 NumberOfNonLiveVariables, 135 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 157/174 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: Process0Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1287.4ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 371.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 38, 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: 16.2ms SsaConstructionTime, 48.5ms SatisfiabilityAnalysisTime, 320.6ms InterpolantComputationTime, 270 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 473 SizeOfPredicates, 3 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 199/209 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...