/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/Fischer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 03:02:42,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 03:02:42,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 03:02:42,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 03:02:42,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 03:02:42,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 03:02:42,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 03:02:42,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 03:02:42,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 03:02:42,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 03:02:42,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 03:02:42,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 03:02:42,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 03:02:42,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 03:02:42,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 03:02:42,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 03:02:42,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 03:02:42,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 03:02:42,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 03:02:42,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 03:02:42,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 03:02:42,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 03:02:42,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 03:02:42,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 03:02:42,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 03:02:42,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 03:02:42,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 03:02:42,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 03:02:42,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 03:02:42,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 03:02:42,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 03:02:42,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 03:02:42,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 03:02:42,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 03:02:42,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 03:02:42,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 03:02:42,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 03:02:42,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 03:02:42,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 03:02:42,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 03:02:42,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 03:02:42,438 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 03:02:42,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 03:02:42,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 03:02:42,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 03:02:42,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 03:02:42,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 03:02:42,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 03:02:42,475 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 03:02:42,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 03:02:42,476 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 03:02:42,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 03:02:42,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 03:02:42,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 03:02:42,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 03:02:42,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 03:02:42,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 03:02:42,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 03:02:42,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 03:02:42,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 03:02:42,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 03:02:42,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 03:02:42,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 03:02:42,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 03:02:42,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 03:02:42,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 03:02:42,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 03:02:42,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 03:02:42,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 03:02:42,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 03:02:42,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 03:02:42,480 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 03:02:42,480 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 03:02:42,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 03:02:42,480 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 03:02:42,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 03:02:42,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 03:02:42,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 03:02:42,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 03:02:42,806 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 03:02:42,808 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 03:02:42,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl [2021-06-06 03:02:42,809 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl' [2021-06-06 03:02:42,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 03:02:42,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 03:02:42,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 03:02:42,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 03:02:42,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 03:02:42,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:42" (1/1) ... [2021-06-06 03:02:42,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:42" (1/1) ... [2021-06-06 03:02:42,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 03:02:42,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 03:02:42,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 03:02:42,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 03:02:42,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:42" (1/1) ... [2021-06-06 03:02:42,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:42" (1/1) ... [2021-06-06 03:02:42,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:42" (1/1) ... [2021-06-06 03:02:42,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:42" (1/1) ... [2021-06-06 03:02:42,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:42" (1/1) ... [2021-06-06 03:02:42,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:42" (1/1) ... [2021-06-06 03:02:42,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:42" (1/1) ... [2021-06-06 03:02:42,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 03:02:42,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 03:02:42,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 03:02:42,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 03:02:42,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:42" (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 03:02:42,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process2 given in one single declaration [2021-06-06 03:02:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure Process2 [2021-06-06 03:02:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure Process2 [2021-06-06 03:02:42,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process1 given in one single declaration [2021-06-06 03:02:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure Process1 [2021-06-06 03:02:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure Process1 [2021-06-06 03:02:42,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 03:02:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 03:02:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 03:02:42,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Clock given in one single declaration [2021-06-06 03:02:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure Clock [2021-06-06 03:02:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure Clock [2021-06-06 03:02:42,974 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 03:02:43,130 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 03:02:43,130 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-06 03:02:43,132 INFO L202 PluginConnector]: Adding new model Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:02:43 BoogieIcfgContainer [2021-06-06 03:02:43,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 03:02:43,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 03:02:43,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 03:02:43,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 03:02:43,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:02:42" (1/2) ... [2021-06-06 03:02:43,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b88c8b and model type Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 03:02:43, skipping insertion in model container [2021-06-06 03:02:43,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:02:43" (2/2) ... [2021-06-06 03:02:43,138 INFO L111 eAbstractionObserver]: Analyzing ICFG Fischer.bpl [2021-06-06 03:02:43,142 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 03:02:43,142 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 03:02:43,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-06 03:02:43,143 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 03:02:43,166 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,166 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,167 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,168 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,168 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,168 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,168 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,169 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,170 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,170 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,171 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,171 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,171 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,171 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,172 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,172 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,177 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,179 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 03:02:43,180 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 03:02:43,198 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 03:02:43,327 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:02:43,327 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:02:43,327 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:02:43,327 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:02:43,327 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:02:43,327 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:02:43,328 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:02:43,328 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process2Thread1of1ForFork2======== [2021-06-06 03:02:43,370 INFO L430 AbstractCegarLoop]: === Iteration 1 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:43,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:43,378 INFO L82 PathProgramCache]: Analyzing trace with hash 379991748, now seen corresponding path program 1 times [2021-06-06 03:02:43,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:43,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765701726] [2021-06-06 03:02:43,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:43,495 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 03:02:43,495 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:43,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765701726] [2021-06-06 03:02:43,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765701726] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:43,497 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:43,497 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 03:02:43,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160597317] [2021-06-06 03:02:43,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-06 03:02:43,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:43,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-06 03:02:43,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-06 03:02:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,518 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:43,526 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 03:02:43,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 03:02:43,619 INFO L430 AbstractCegarLoop]: === Iteration 2 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:43,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:43,620 INFO L82 PathProgramCache]: Analyzing trace with hash -46291236, now seen corresponding path program 1 times [2021-06-06 03:02:43,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:43,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465657225] [2021-06-06 03:02:43,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:43,680 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 03:02:43,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:43,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465657225] [2021-06-06 03:02:43,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465657225] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:43,681 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:43,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 03:02:43,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379080094] [2021-06-06 03:02:43,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:43,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:43,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:43,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:43,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,689 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:43,689 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 03:02:43,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:43,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 03:02:43,716 INFO L430 AbstractCegarLoop]: === Iteration 3 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:43,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:43,716 INFO L82 PathProgramCache]: Analyzing trace with hash -517881429, now seen corresponding path program 1 times [2021-06-06 03:02:43,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:43,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004756456] [2021-06-06 03:02:43,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:43,759 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 03:02:43,759 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:43,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004756456] [2021-06-06 03:02:43,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004756456] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:43,760 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:43,760 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 03:02:43,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525840928] [2021-06-06 03:02:43,760 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:43,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:43,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:43,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:43,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,761 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:43,762 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 03:02:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:43,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:43,807 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 03:02:43,807 INFO L430 AbstractCegarLoop]: === Iteration 4 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:43,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:43,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1122024537, now seen corresponding path program 1 times [2021-06-06 03:02:43,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:43,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128158986] [2021-06-06 03:02:43,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:43,843 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 03:02:43,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:43,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128158986] [2021-06-06 03:02:43,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128158986] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:43,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:43,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 03:02:43,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256424058] [2021-06-06 03:02:43,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:43,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:43,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:43,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:43,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,846 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:43,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 03:02:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:43,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 03:02:44,056 INFO L430 AbstractCegarLoop]: === Iteration 5 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:44,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:44,057 INFO L82 PathProgramCache]: Analyzing trace with hash 29572748, now seen corresponding path program 1 times [2021-06-06 03:02:44,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:44,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804041866] [2021-06-06 03:02:44,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:02:44,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:44,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804041866] [2021-06-06 03:02:44,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804041866] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:44,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:44,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 03:02:44,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037250729] [2021-06-06 03:02:44,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:44,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:44,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:44,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,089 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:44,089 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 03:02:44,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 03:02:44,149 INFO L430 AbstractCegarLoop]: === Iteration 6 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:44,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:44,150 INFO L82 PathProgramCache]: Analyzing trace with hash -765155230, now seen corresponding path program 2 times [2021-06-06 03:02:44,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:44,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532818400] [2021-06-06 03:02:44,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-06-06 03:02:44,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:44,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532818400] [2021-06-06 03:02:44,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532818400] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:44,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:44,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 03:02:44,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282885153] [2021-06-06 03:02:44,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:44,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:44,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:44,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,225 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:44,225 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 03:02:44,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,282 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-06 03:02:44,282 INFO L430 AbstractCegarLoop]: === Iteration 7 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:44,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:44,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1371251518, now seen corresponding path program 3 times [2021-06-06 03:02:44,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:44,283 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579409572] [2021-06-06 03:02:44,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:44,343 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-06-06 03:02:44,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:44,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579409572] [2021-06-06 03:02:44,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579409572] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:44,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:44,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 03:02:44,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535279892] [2021-06-06 03:02:44,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:44,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:44,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:44,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:44,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,345 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:44,345 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:02:44,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-06 03:02:44,413 INFO L430 AbstractCegarLoop]: === Iteration 8 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:44,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:44,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2011337495, now seen corresponding path program 1 times [2021-06-06 03:02:44,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:44,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56232714] [2021-06-06 03:02:44,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:44,481 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-06-06 03:02:44,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:44,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56232714] [2021-06-06 03:02:44,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56232714] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:44,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:44,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 03:02:44,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934056225] [2021-06-06 03:02:44,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 03:02:44,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:44,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 03:02:44,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 03:02:44,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,489 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:44,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 03:02:44,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:44,591 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-06 03:02:44,591 INFO L430 AbstractCegarLoop]: === Iteration 9 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:44,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:44,592 INFO L82 PathProgramCache]: Analyzing trace with hash -712397581, now seen corresponding path program 1 times [2021-06-06 03:02:44,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:44,592 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361695718] [2021-06-06 03:02:44,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-06 03:02:44,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:44,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361695718] [2021-06-06 03:02:44,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361695718] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:44,681 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:44,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 03:02:44,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191290352] [2021-06-06 03:02:44,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 03:02:44,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:44,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 03:02:44,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 03:02:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,683 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:44,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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 03:02:44,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:44,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:44,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:44,778 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-06 03:02:44,778 INFO L430 AbstractCegarLoop]: === Iteration 10 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:44,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:44,779 INFO L82 PathProgramCache]: Analyzing trace with hash 91779926, now seen corresponding path program 2 times [2021-06-06 03:02:44,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:44,779 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605140371] [2021-06-06 03:02:44,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:02:44,894 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:44,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605140371] [2021-06-06 03:02:44,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605140371] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:44,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594424950] [2021-06-06 03:02:44,895 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:44,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 03:02:44,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:02:44,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 03:02:44,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:45,236 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:02:45,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594424950] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:45,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:02:45,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-06 03:02:45,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885131100] [2021-06-06 03:02:45,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 03:02:45,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:45,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 03:02:45,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-06-06 03:02:45,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:45,239 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:45,239 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.333333333333333) internal successors, (110), 15 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:02:45,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:45,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:45,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:45,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:45,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:45,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:45,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:45,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:45,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:45,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 03:02:46,567 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 03:02:46,568 INFO L430 AbstractCegarLoop]: === Iteration 11 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:46,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:46,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1760772100, now seen corresponding path program 3 times [2021-06-06 03:02:46,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:46,569 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942246132] [2021-06-06 03:02:46,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 118 proven. 44 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-06-06 03:02:46,627 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:46,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942246132] [2021-06-06 03:02:46,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942246132] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:46,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160317042] [2021-06-06 03:02:46,629 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:46,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 03:02:46,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:02:46,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 03:02:46,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 61 proven. 125 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-06-06 03:02:46,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160317042] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:46,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:02:46,971 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2021-06-06 03:02:46,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889138327] [2021-06-06 03:02:46,971 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 03:02:46,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:46,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 03:02:46,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-06-06 03:02:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:46,972 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:46,973 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 10 states have internal predecessors, (109), 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 03:02:46,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:46,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:46,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:46,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:46,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 03:02:46,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:48,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:48,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 03:02:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 03:02:48,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-06 03:02:48,641 INFO L430 AbstractCegarLoop]: === Iteration 12 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:48,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:48,641 INFO L82 PathProgramCache]: Analyzing trace with hash -2128504766, now seen corresponding path program 4 times [2021-06-06 03:02:48,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:48,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188562712] [2021-06-06 03:02:48,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 81 proven. 8 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-06-06 03:02:48,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:48,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188562712] [2021-06-06 03:02:48,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188562712] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:48,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002015103] [2021-06-06 03:02:48,689 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:48,747 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 03:02:48,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:02:48,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 03:02:48,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 82 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-06-06 03:02:48,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002015103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:48,962 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:02:48,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-06-06 03:02:48,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175867830] [2021-06-06 03:02:48,963 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 03:02:48,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:48,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 03:02:48,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-06-06 03:02:48,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:48,964 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:48,964 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 14 states have internal predecessors, (93), 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 03:02:48,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:48,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:48,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:48,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:48,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 03:02:48,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 03:02:48,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 03:02:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 03:02:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 03:02:51,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:51,089 INFO L430 AbstractCegarLoop]: === Iteration 13 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:51,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:51,089 INFO L82 PathProgramCache]: Analyzing trace with hash -26317980, now seen corresponding path program 5 times [2021-06-06 03:02:51,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:51,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903052364] [2021-06-06 03:02:51,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 614 proven. 48 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2021-06-06 03:02:51,176 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:51,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903052364] [2021-06-06 03:02:51,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903052364] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:51,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386795841] [2021-06-06 03:02:51,177 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 03:02:51,263 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-06 03:02:51,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:02:51,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 03:02:51,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:51,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 475 proven. 33 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2021-06-06 03:02:51,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386795841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:51,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:02:51,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2021-06-06 03:02:51,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934742642] [2021-06-06 03:02:51,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 03:02:51,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:51,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 03:02:51,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-06-06 03:02:51,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:51,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:51,603 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 03:02:51,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:51,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:51,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:51,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:51,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:51,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:51,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:51,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:51,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:51,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 03:02:51,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 03:02:51,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 03:02:51,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 03:02:55,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 03:02:55,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 03:02:55,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 03:02:55,414 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 03:02:55,429 INFO L301 ceAbstractionStarter]: Result for error location Process2Thread1of1ForFork2 was SAFE (1/5) [2021-06-06 03:02:55,430 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-06 03:02:55,452 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:02:55,452 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:02:55,452 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:02:55,452 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:02:55,452 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:02:55,452 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:02:55,452 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:02:55,452 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process2======== Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 03:02:55,600 INFO L301 ceAbstractionStarter]: Result for error location Process2 was SAFE (2/5) [2021-06-06 03:02:55,601 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 03:02:55,608 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:02:55,608 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:02:55,608 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:02:55,608 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:02:55,608 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:02:55,608 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:02:55,608 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:02:55,608 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process1======== [2021-06-06 03:02:55,750 INFO L301 ceAbstractionStarter]: Result for error location Process1 was SAFE (3/5) [2021-06-06 03:02:55,750 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-06 03:02:55,764 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:02:55,764 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:02:55,765 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:02:55,765 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:02:55,765 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:02:55,765 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:02:55,765 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:02:55,765 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 03:02:55,902 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-06 03:02:55,902 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 03:02:55,906 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:02:55,906 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:02:55,906 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:02:55,906 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:02:55,906 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:02:55,907 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:02:55,907 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:02:55,907 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process1Thread1of1ForFork1======== [2021-06-06 03:02:55,941 INFO L430 AbstractCegarLoop]: === Iteration 1 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:55,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:55,941 INFO L82 PathProgramCache]: Analyzing trace with hash 357997168, now seen corresponding path program 1 times [2021-06-06 03:02:55,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:55,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361544437] [2021-06-06 03:02:55,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:55,946 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 03:02:55,946 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:55,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361544437] [2021-06-06 03:02:55,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361544437] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:55,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:55,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 03:02:55,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547252012] [2021-06-06 03:02:55,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-06 03:02:55,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:55,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-06 03:02:55,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-06 03:02:55,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:55,948 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:55,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 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 03:02:55,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:55,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:55,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-06 03:02:55,960 INFO L430 AbstractCegarLoop]: === Iteration 2 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:55,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:55,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1342417683, now seen corresponding path program 1 times [2021-06-06 03:02:55,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:55,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382000596] [2021-06-06 03:02:55,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:55,970 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 03:02:55,970 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:55,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382000596] [2021-06-06 03:02:55,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382000596] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:55,970 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:55,970 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 03:02:55,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247586726] [2021-06-06 03:02:55,970 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:55,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:55,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:55,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:55,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:55,971 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:55,971 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 03:02:55,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:55,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:55,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:55,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:55,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-06 03:02:55,984 INFO L430 AbstractCegarLoop]: === Iteration 3 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:55,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:55,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1151658034, now seen corresponding path program 1 times [2021-06-06 03:02:55,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:55,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120500330] [2021-06-06 03:02:55,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:55,993 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 03:02:55,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:55,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120500330] [2021-06-06 03:02:55,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120500330] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:55,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:55,994 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-06 03:02:55,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867149744] [2021-06-06 03:02:55,995 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:55,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:55,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:55,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:55,996 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:55,996 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 03:02:55,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:55,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:55,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-06 03:02:56,052 INFO L430 AbstractCegarLoop]: === Iteration 4 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:56,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:56,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1497342664, now seen corresponding path program 1 times [2021-06-06 03:02:56,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:56,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065276888] [2021-06-06 03:02:56,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:56,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:02:56,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:56,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065276888] [2021-06-06 03:02:56,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065276888] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:56,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:56,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 03:02:56,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100238732] [2021-06-06 03:02:56,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:56,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:56,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:56,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,066 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:56,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 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 03:02:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-06 03:02:56,112 INFO L430 AbstractCegarLoop]: === Iteration 5 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:56,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:56,115 INFO L82 PathProgramCache]: Analyzing trace with hash 445944729, now seen corresponding path program 1 times [2021-06-06 03:02:56,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:56,115 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144659910] [2021-06-06 03:02:56,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:56,127 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-06-06 03:02:56,127 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:56,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144659910] [2021-06-06 03:02:56,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144659910] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:56,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:56,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 03:02:56,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692892172] [2021-06-06 03:02:56,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:56,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:56,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:56,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,129 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:56,129 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 03:02:56,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,154 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-06 03:02:56,154 INFO L430 AbstractCegarLoop]: === Iteration 6 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:56,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:56,155 INFO L82 PathProgramCache]: Analyzing trace with hash -2011353351, now seen corresponding path program 1 times [2021-06-06 03:02:56,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:56,155 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189955260] [2021-06-06 03:02:56,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:56,182 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-06-06 03:02:56,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:56,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189955260] [2021-06-06 03:02:56,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189955260] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:56,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:56,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 03:02:56,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975823902] [2021-06-06 03:02:56,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 03:02:56,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:56,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 03:02:56,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 03:02:56,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,183 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:56,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 03:02:56,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:56,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-06 03:02:56,216 INFO L430 AbstractCegarLoop]: === Iteration 7 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:56,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:56,217 INFO L82 PathProgramCache]: Analyzing trace with hash -712413437, now seen corresponding path program 1 times [2021-06-06 03:02:56,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:56,217 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704483975] [2021-06-06 03:02:56,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-06 03:02:56,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:56,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704483975] [2021-06-06 03:02:56,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704483975] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:56,235 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:56,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 03:02:56,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902545489] [2021-06-06 03:02:56,236 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 03:02:56,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:56,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 03:02:56,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 03:02:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,236 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:56,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 03:02:56,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:56,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:56,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:56,294 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-06 03:02:56,294 INFO L430 AbstractCegarLoop]: === Iteration 8 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:56,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:56,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1765516452, now seen corresponding path program 2 times [2021-06-06 03:02:56,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:56,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111952846] [2021-06-06 03:02:56,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-06 03:02:56,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:56,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111952846] [2021-06-06 03:02:56,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111952846] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:02:56,308 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:02:56,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 03:02:56,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778434180] [2021-06-06 03:02:56,310 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:02:56,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:56,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:02:56,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:02:56,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,310 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:56,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 03:02:56,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:56,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:56,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,346 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-06 03:02:56,346 INFO L430 AbstractCegarLoop]: === Iteration 9 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:56,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:56,347 INFO L82 PathProgramCache]: Analyzing trace with hash 368321890, now seen corresponding path program 3 times [2021-06-06 03:02:56,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:56,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535303838] [2021-06-06 03:02:56,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:02:56,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:56,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535303838] [2021-06-06 03:02:56,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535303838] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:56,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190374367] [2021-06-06 03:02:56,411 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 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 03:02:56,445 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 03:02:56,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:02:56,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 03:02:56,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:56,564 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 03:02:56,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190374367] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:56,564 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:02:56,565 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 11 [2021-06-06 03:02:56,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159027061] [2021-06-06 03:02:56,565 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 03:02:56,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:56,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 03:02:56,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-06-06 03:02:56,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,566 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:56,566 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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 03:02:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:56,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:56,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:57,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 03:02:57,272 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:57,273 INFO L430 AbstractCegarLoop]: === Iteration 10 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:57,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:57,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1148017296, now seen corresponding path program 4 times [2021-06-06 03:02:57,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:57,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622199485] [2021-06-06 03:02:57,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 91 proven. 21 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-06-06 03:02:57,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:57,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622199485] [2021-06-06 03:02:57,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622199485] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:57,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448700004] [2021-06-06 03:02:57,326 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:57,380 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 03:02:57,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:02:57,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 03:02:57,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-06-06 03:02:57,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448700004] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:57,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:02:57,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-06-06 03:02:57,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215433069] [2021-06-06 03:02:57,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 03:02:57,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:57,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 03:02:57,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-06-06 03:02:57,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:57,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:57,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 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 03:02:57,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:57,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:57,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:57,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:57,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:57,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:57,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:57,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:57,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 03:02:57,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:58,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 03:02:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 03:02:59,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-06 03:02:59,033 INFO L430 AbstractCegarLoop]: === Iteration 11 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:02:59,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:02:59,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1404549212, now seen corresponding path program 5 times [2021-06-06 03:02:59,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:02:59,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337032959] [2021-06-06 03:02:59,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:02:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:02:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 54 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-06-06 03:02:59,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:02:59,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337032959] [2021-06-06 03:02:59,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337032959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:59,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567792799] [2021-06-06 03:02:59,073 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:02:59,113 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 03:02:59,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:02:59,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 03:02:59,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:02:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 54 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-06-06 03:02:59,224 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567792799] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:02:59,224 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:02:59,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-06 03:02:59,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235335624] [2021-06-06 03:02:59,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 03:02:59,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:02:59,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 03:02:59,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 03:02:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:59,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:02:59,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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 03:02:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 03:02:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 03:02:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:02:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:02:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:02:59,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 03:02:59,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 03:02:59,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:02:59,855 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-06 03:02:59,859 INFO L301 ceAbstractionStarter]: Result for error location Process1Thread1of1ForFork1 was SAFE (5/5) [2021-06-06 03:02:59,859 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 03:02:59,862 INFO L202 PluginConnector]: Adding new model Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 03:02:59 BasicIcfg [2021-06-06 03:02:59,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 03:02:59,862 INFO L168 Benchmark]: Toolchain (without parser) took 17019.73 ms. Allocated memory was 350.2 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 330.0 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 172.1 MB. Max. memory is 16.0 GB. [2021-06-06 03:02:59,862 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 350.2 MB. Free memory was 331.1 MB in the beginning and 331.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 03:02:59,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.42 ms. Allocated memory is still 350.2 MB. Free memory was 329.9 MB in the beginning and 328.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 03:02:59,863 INFO L168 Benchmark]: Boogie Preprocessor took 18.79 ms. Allocated memory is still 350.2 MB. Free memory was 328.4 MB in the beginning and 327.5 MB in the end (delta: 935.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 03:02:59,863 INFO L168 Benchmark]: RCFGBuilder took 233.54 ms. Allocated memory is still 350.2 MB. Free memory was 327.4 MB in the beginning and 314.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-06 03:02:59,863 INFO L168 Benchmark]: TraceAbstraction took 16728.57 ms. Allocated memory was 350.2 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 314.4 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 155.3 MB. Max. memory is 16.0 GB. [2021-06-06 03:02:59,863 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 0.12 ms. Allocated memory is still 350.2 MB. Free memory was 331.1 MB in the beginning and 331.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.42 ms. Allocated memory is still 350.2 MB. Free memory was 329.9 MB in the beginning and 328.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.79 ms. Allocated memory is still 350.2 MB. Free memory was 328.4 MB in the beginning and 327.5 MB in the end (delta: 935.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 233.54 ms. Allocated memory is still 350.2 MB. Free memory was 327.4 MB in the beginning and 314.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 16728.57 ms. Allocated memory was 350.2 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 314.4 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 155.3 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: 473831, positive: 370892, positive conditional: 370892, positive unconditional: 0, negative: 102939, negative conditional: 102939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 406605, positive: 370892, positive conditional: 370892, positive unconditional: 0, negative: 35713, negative conditional: 35713, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 406605, positive: 368586, positive conditional: 0, positive unconditional: 368586, negative: 38019, negative conditional: 0, negative unconditional: 38019, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 565, positive: 529, positive conditional: 0, positive unconditional: 529, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 565, positive: 504, positive conditional: 0, positive unconditional: 504, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 61, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 406605, positive: 368057, positive conditional: 0, positive unconditional: 368057, negative: 37983, negative conditional: 0, negative unconditional: 37983, unknown: 565, unknown conditional: 0, unknown unconditional: 565] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006, SemanticConditionEliminator.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460173, positive: 2306, positive conditional: 2306, positive unconditional: 0, negative: 457867, negative conditional: 133861, negative unconditional: 324006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 577, positive: 47, positive conditional: 22, positive unconditional: 25, negative: 530, negative conditional: 494, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 842, positive: 78, positive conditional: 31, positive unconditional: 46, negative: 765, negative conditional: 668, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460173, positive: 2284, positive conditional: 2284, positive unconditional: 0, negative: 457373, negative conditional: 133367, negative unconditional: 324006, unknown: 516, unknown conditional: 516, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 551, Positive conditional cache size: 22, Positive unconditional cache size: 529, Negative cache size: 530, Negative conditional cache size: 494, Negative unconditional cache size: 36, Eliminated conditions: 324006 ], Maximal queried relation: 13, Independence queries for same thread: 67226 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7870, positive: 6392, positive conditional: 6392, positive unconditional: 0, negative: 1478, negative conditional: 1478, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6675, positive: 6392, positive conditional: 6392, positive unconditional: 0, negative: 283, negative conditional: 283, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6675, positive: 6392, positive conditional: 0, positive unconditional: 6392, negative: 283, negative conditional: 0, negative unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 511, positive: 485, positive conditional: 0, positive unconditional: 485, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 511, positive: 466, positive conditional: 0, positive unconditional: 466, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6675, positive: 5907, positive conditional: 0, positive unconditional: 5907, negative: 257, negative conditional: 0, negative unconditional: 257, unknown: 511, unknown conditional: 0, unknown unconditional: 511] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 485, Positive conditional cache size: 0, Positive unconditional cache size: 485, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 ], Maximal queried relation: 0, Independence queries for same thread: 1195 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7870, positive: 6392, positive conditional: 6392, positive unconditional: 0, negative: 1478, negative conditional: 1478, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6675, positive: 6392, positive conditional: 6392, positive unconditional: 0, negative: 283, negative conditional: 283, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6675, positive: 6392, positive conditional: 0, positive unconditional: 6392, negative: 283, negative conditional: 0, negative unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 511, positive: 485, positive conditional: 0, positive unconditional: 485, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 511, positive: 466, positive conditional: 0, positive unconditional: 466, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6675, positive: 5907, positive conditional: 0, positive unconditional: 5907, negative: 257, negative conditional: 0, negative unconditional: 257, unknown: 511, unknown conditional: 0, unknown unconditional: 511] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 485, Positive conditional cache size: 0, Positive unconditional cache size: 485, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 ], Maximal queried relation: 0, Independence queries for same thread: 1195 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7870, positive: 6392, positive conditional: 6392, positive unconditional: 0, negative: 1478, negative conditional: 1478, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6675, positive: 6392, positive conditional: 6392, positive unconditional: 0, negative: 283, negative conditional: 283, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6675, positive: 6392, positive conditional: 0, positive unconditional: 6392, negative: 283, negative conditional: 0, negative unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 511, positive: 485, positive conditional: 0, positive unconditional: 485, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 511, positive: 466, positive conditional: 0, positive unconditional: 466, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6675, positive: 5907, positive conditional: 0, positive unconditional: 5907, negative: 257, negative conditional: 0, negative unconditional: 257, unknown: 511, unknown conditional: 0, unknown unconditional: 511] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 485, Positive conditional cache size: 0, Positive unconditional cache size: 485, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 ], Maximal queried relation: 0, Independence queries for same thread: 1195 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 66854, positive: 51306, positive conditional: 51306, positive unconditional: 0, negative: 15548, negative conditional: 15548, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 56388, positive: 51306, positive conditional: 51306, positive unconditional: 0, negative: 5082, negative conditional: 5082, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 56388, positive: 51079, positive conditional: 0, positive unconditional: 51079, negative: 5309, negative conditional: 0, negative unconditional: 5309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 621, positive: 582, positive conditional: 0, positive unconditional: 582, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 621, positive: 555, positive conditional: 0, positive unconditional: 555, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 56388, positive: 50497, positive conditional: 0, positive unconditional: 50497, negative: 5270, negative conditional: 0, negative unconditional: 5270, unknown: 621, unknown conditional: 0, unknown unconditional: 621] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, SemanticConditionEliminator.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50322, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 49893, negative conditional: 11869, negative unconditional: 38024, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, Eliminated conditions: 38024, SemanticConditionEliminator.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50322, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 49893, negative conditional: 11869, negative unconditional: 38024, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, Eliminated conditions: 38024, SemanticConditionEliminator.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50322, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 49893, negative conditional: 11869, negative unconditional: 38024, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, Eliminated conditions: 38024, SemanticConditionEliminator.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50322, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 49893, negative conditional: 11869, negative unconditional: 38024, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, Eliminated conditions: 38024, SemanticConditionEliminator.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50322, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 49893, negative conditional: 11869, negative unconditional: 38024, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, Eliminated conditions: 38024, SemanticConditionEliminator.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50322, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 49893, negative conditional: 11869, negative unconditional: 38024, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, Eliminated conditions: 38024, SemanticConditionEliminator.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50322, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 49893, negative conditional: 11869, negative unconditional: 38024, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, Eliminated conditions: 38024, SemanticConditionEliminator.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50322, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 49893, negative conditional: 11869, negative unconditional: 38024, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, Eliminated conditions: 38024, SemanticConditionEliminator.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50322, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 49893, negative conditional: 11869, negative unconditional: 38024, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, Eliminated conditions: 38024, SemanticConditionEliminator.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50322, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 49893, negative conditional: 11869, negative unconditional: 38024, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, Eliminated conditions: 38024, SemanticConditionEliminator.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50322, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 50095, negative conditional: 12071, negative unconditional: 38024, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 241, negative conditional: 202, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 61, positive conditional: 23, positive unconditional: 39, negative: 284, negative conditional: 258, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50322, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 49893, negative conditional: 11869, negative unconditional: 38024, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 600, Positive conditional cache size: 18, Positive unconditional cache size: 582, Negative cache size: 241, Negative conditional cache size: 202, Negative unconditional cache size: 39, Eliminated conditions: 38024 ], Maximal queried relation: 11, Independence queries for same thread: 10466 - PositiveResult [Line: 78]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 57]: 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: Process2Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12197.4ms, OverallIterations: 13, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.1ms, PartialOrderReductionTime: 8846.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 184, 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: 86.4ms SsaConstructionTime, 302.2ms SatisfiabilityAnalysisTime, 1675.5ms InterpolantComputationTime, 1464 NumberOfCodeBlocks, 1434 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1447 ConstructedInterpolants, 0 QuantifiedInterpolants, 3689 SizeOfPredicates, 13 NumberOfNonLiveVariables, 874 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 3087/3387 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: Process2 with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 169.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 146.0ms, 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 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 148.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 140.0ms, 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 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 150.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 135.2ms, 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 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3956.4ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 2367.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 93, 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: 22.5ms SsaConstructionTime, 90.7ms SatisfiabilityAnalysisTime, 695.1ms InterpolantComputationTime, 898 NumberOfCodeBlocks, 898 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 884 ConstructedInterpolants, 0 QuantifiedInterpolants, 2215 SizeOfPredicates, 11 NumberOfNonLiveVariables, 453 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 742/815 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...