/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 15:23:34,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 15:23:34,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 15:23:34,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-07 15:23:34,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-07 15:23:34,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-07 15:23:34,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-07 15:23:34,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-07 15:23:34,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-07 15:23:34,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-07 15:23:34,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-07 15:23:34,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-07 15:23:34,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 15:23:34,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 15:23:34,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 15:23:34,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 15:23:34,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 15:23:34,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 15:23:34,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 15:23:34,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 15:23:34,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 15:23:34,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 15:23:34,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 15:23:34,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 15:23:34,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-07 15:23:34,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-07 15:23:34,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-07 15:23:34,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-07 15:23:34,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-07 15:23:34,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-07 15:23:34,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-07 15:23:34,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-07 15:23:34,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-07 15:23:34,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-07 15:23:34,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-07 15:23:34,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-07 15:23:34,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-07 15:23:34,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-07 15:23:34,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 15:23:34,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 15:23:34,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 15:23:34,956 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-Lockstep.epf [2021-06-07 15:23:34,992 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 15:23:34,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 15:23:34,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 15:23:34,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 15:23:34,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 15:23:34,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 15:23:34,995 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 15:23:34,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 15:23:34,996 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 15:23:34,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 15:23:34,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 15:23:34,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 15:23:34,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 15:23:34,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 15:23:34,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 15:23:34,997 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 15:23:34,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 15:23:34,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 15:23:34,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 15:23:34,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 15:23:34,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 15:23:34,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 15:23:34,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 15:23:34,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 15:23:34,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 15:23:34,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 15:23:34,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 15:23:34,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 15:23:34,999 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 15:23:34,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 15:23:34,999 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 15:23:34,999 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 15:23:34,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 15:23:34,999 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 15:23:35,000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 15:23:35,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 15:23:35,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 15:23:35,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 15:23:35,287 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 15:23:35,288 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 15:23:35,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl [2021-06-07 15:23:35,289 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl' [2021-06-07 15:23:35,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 15:23:35,319 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 15:23:35,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 15:23:35,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 15:23:35,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 15:23:35,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:23:35" (1/1) ... [2021-06-07 15:23:35,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:23:35" (1/1) ... [2021-06-07 15:23:35,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 15:23:35,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 15:23:35,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 15:23:35,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 15:23:35,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:23:35" (1/1) ... [2021-06-07 15:23:35,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:23:35" (1/1) ... [2021-06-07 15:23:35,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:23:35" (1/1) ... [2021-06-07 15:23:35,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:23:35" (1/1) ... [2021-06-07 15:23:35,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:23:35" (1/1) ... [2021-06-07 15:23:35,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:23:35" (1/1) ... [2021-06-07 15:23:35,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:23:35" (1/1) ... [2021-06-07 15:23:35,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 15:23:35,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 15:23:35,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 15:23:35,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 15:23:35,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:23:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 15:23:35,433 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 15:23:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 15:23:35,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 15:23:35,433 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 15:23:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 15:23:35,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 15:23:35,434 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 15:23:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 15:23:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 15:23:35,434 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 15:23:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 15:23:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 15:23:35,435 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 15:23:35,603 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 15:23:35,603 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 15:23:35,605 INFO L202 PluginConnector]: Adding new model ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:23:35 BoogieIcfgContainer [2021-06-07 15:23:35,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 15:23:35,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 15:23:35,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 15:23:35,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 15:23:35,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:23:35" (1/2) ... [2021-06-07 15:23:35,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7de7e1 and model type ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 03:23:35, skipping insertion in model container [2021-06-07 15:23:35,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:23:35" (2/2) ... [2021-06-07 15:23:35,611 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-3.wvr.bpl [2021-06-07 15:23:35,615 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 15:23:35,616 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 15:23:35,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 15:23:35,617 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 15:23:35,646 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 15:23:35,664 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-06-07 15:23:35,734 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 15:23:35,735 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 15:23:35,735 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 15:23:35,735 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 15:23:35,735 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 15:23:35,735 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 15:23:35,735 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 15:23:35,735 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 15:23:35,821 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:23:35,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:23:35,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1212454463, now seen corresponding path program 1 times [2021-06-07 15:23:35,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:23:35,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814917276] [2021-06-07 15:23:35,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:23:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:23:36,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:23:36,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:23:36,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814917276] [2021-06-07 15:23:36,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814917276] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 15:23:36,031 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 15:23:36,031 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-07 15:23:36,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126071816] [2021-06-07 15:23:36,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 15:23:36,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:23:36,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 15:23:36,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-07 15:23:36,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:36,055 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:23:36,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:23:36,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 15:23:36,176 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:23:36,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:23:36,179 INFO L82 PathProgramCache]: Analyzing trace with hash -941141737, now seen corresponding path program 2 times [2021-06-07 15:23:36,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:23:36,180 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785463588] [2021-06-07 15:23:36,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:23:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:23:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:23:36,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:23:36,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785463588] [2021-06-07 15:23:36,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785463588] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 15:23:36,252 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 15:23:36,252 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 15:23:36,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157564644] [2021-06-07 15:23:36,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 15:23:36,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:23:36,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 15:23:36,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-07 15:23:36,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:36,257 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:23:36,257 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:23:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:36,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 15:23:36,338 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:23:36,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:23:36,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1510350783, now seen corresponding path program 3 times [2021-06-07 15:23:36,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:23:36,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835174586] [2021-06-07 15:23:36,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:23:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:23:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:23:36,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:23:36,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835174586] [2021-06-07 15:23:36,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835174586] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 15:23:36,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 15:23:36,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 15:23:36,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676549947] [2021-06-07 15:23:36,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 15:23:36,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:23:36,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 15:23:36,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-07 15:23:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:36,452 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:23:36,452 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:23:36,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:36,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,575 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 15:23:36,575 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:23:36,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:23:36,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1266221201, now seen corresponding path program 4 times [2021-06-07 15:23:36,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:23:36,576 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299069851] [2021-06-07 15:23:36,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:23:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:23:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:23:36,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:23:36,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299069851] [2021-06-07 15:23:36,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299069851] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 15:23:36,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 15:23:36,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 15:23:36,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774832155] [2021-06-07 15:23:36,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 15:23:36,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:23:36,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 15:23:36,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-07 15:23:36,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:36,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:23:36,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:23:36,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:36,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 15:23:36,808 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:23:36,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:23:36,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1529323983, now seen corresponding path program 5 times [2021-06-07 15:23:36,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:23:36,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806820736] [2021-06-07 15:23:36,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:23:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:23:36,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:23:36,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:23:36,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806820736] [2021-06-07 15:23:36,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806820736] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 15:23:36,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 15:23:36,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-07 15:23:36,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338337176] [2021-06-07 15:23:36,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 15:23:36,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:23:36,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 15:23:36,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-07 15:23:36,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:36,847 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:23:36,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:23:36,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:36,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,956 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-07 15:23:36,956 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:23:36,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:23:36,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1904463027, now seen corresponding path program 6 times [2021-06-07 15:23:36,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:23:36,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64973763] [2021-06-07 15:23:36,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:23:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:23:36,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:23:36,983 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:23:36,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64973763] [2021-06-07 15:23:36,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64973763] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 15:23:36,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 15:23:36,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 15:23:36,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235330737] [2021-06-07 15:23:36,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 15:23:36,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:23:36,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 15:23:36,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-07 15:23:36,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:36,984 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:23:36,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:23:36,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:36,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:36,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:37,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,067 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-07 15:23:37,067 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:23:37,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:23:37,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1068727189, now seen corresponding path program 7 times [2021-06-07 15:23:37,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:23:37,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620651587] [2021-06-07 15:23:37,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:23:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:23:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:23:37,102 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:23:37,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620651587] [2021-06-07 15:23:37,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620651587] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 15:23:37,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 15:23:37,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-07 15:23:37,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24766221] [2021-06-07 15:23:37,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 15:23:37,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:23:37,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 15:23:37,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-07 15:23:37,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:37,104 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:23:37,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:23:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-07 15:23:37,334 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:23:37,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:23:37,334 INFO L82 PathProgramCache]: Analyzing trace with hash 236819235, now seen corresponding path program 8 times [2021-06-07 15:23:37,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:23:37,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552407452] [2021-06-07 15:23:37,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:23:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:23:37,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:23:37,367 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:23:37,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552407452] [2021-06-07 15:23:37,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552407452] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 15:23:37,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 15:23:37,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-07 15:23:37,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599678451] [2021-06-07 15:23:37,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 15:23:37,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:23:37,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 15:23:37,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-07 15:23:37,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:37,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:23:37,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:23:37,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:37,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 15:23:37,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-07 15:23:37,538 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:23:37,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:23:37,538 INFO L82 PathProgramCache]: Analyzing trace with hash 437143323, now seen corresponding path program 9 times [2021-06-07 15:23:37,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:23:37,539 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881712972] [2021-06-07 15:23:37,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:23:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:23:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:23:37,588 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:23:37,588 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881712972] [2021-06-07 15:23:37,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881712972] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 15:23:37,588 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 15:23:37,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-07 15:23:37,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074811141] [2021-06-07 15:23:37,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 15:23:37,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:23:37,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 15:23:37,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-07 15:23:37,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:37,590 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:23:37,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:23:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 15:23:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:23:37,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:23:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 15:23:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 15:23:37,703 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-07 15:23:37,723 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 15:23:37,727 INFO L202 PluginConnector]: Adding new model ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 03:23:37 BasicIcfg [2021-06-07 15:23:37,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 15:23:37,728 INFO L168 Benchmark]: Toolchain (without parser) took 2409.02 ms. Allocated memory is still 354.4 MB. Free memory was 333.8 MB in the beginning and 239.6 MB in the end (delta: 94.2 MB). Peak memory consumption was 93.7 MB. Max. memory is 16.0 GB. [2021-06-07 15:23:37,728 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 354.4 MB. Free memory is still 334.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 15:23:37,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.75 ms. Allocated memory is still 354.4 MB. Free memory was 333.8 MB in the beginning and 332.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 15:23:37,728 INFO L168 Benchmark]: Boogie Preprocessor took 15.53 ms. Allocated memory is still 354.4 MB. Free memory was 332.3 MB in the beginning and 331.5 MB in the end (delta: 792.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 15:23:37,729 INFO L168 Benchmark]: RCFGBuilder took 239.78 ms. Allocated memory is still 354.4 MB. Free memory was 331.5 MB in the beginning and 318.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-07 15:23:37,729 INFO L168 Benchmark]: TraceAbstraction took 2120.58 ms. Allocated memory is still 354.4 MB. Free memory was 318.4 MB in the beginning and 239.6 MB in the end (delta: 78.8 MB). Peak memory consumption was 79.0 MB. Max. memory is 16.0 GB. [2021-06-07 15:23:37,730 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 0.17 ms. Allocated memory is still 354.4 MB. Free memory is still 334.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.75 ms. Allocated memory is still 354.4 MB. Free memory was 333.8 MB in the beginning and 332.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.53 ms. Allocated memory is still 354.4 MB. Free memory was 332.3 MB in the beginning and 331.5 MB in the end (delta: 792.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 239.78 ms. Allocated memory is still 354.4 MB. Free memory was 331.5 MB in the beginning and 318.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2120.58 ms. Allocated memory is still 354.4 MB. Free memory was 318.4 MB in the beginning and 239.6 MB in the end (delta: 78.8 MB). Peak memory consumption was 79.0 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: 2856, positive: 2681, positive conditional: 2681, positive unconditional: 0, negative: 175, negative conditional: 175, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2856, positive: 2681, positive conditional: 2681, positive unconditional: 0, negative: 175, negative conditional: 175, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2856, positive: 2665, positive conditional: 0, positive unconditional: 2665, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 174, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 174, positive: 147, positive conditional: 0, positive unconditional: 147, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 140, negative conditional: 125, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 43, positive conditional: 11, positive unconditional: 32, negative: 247, negative conditional: 190, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2856, positive: 2506, positive conditional: 0, positive unconditional: 2506, negative: 176, negative conditional: 0, negative unconditional: 176, unknown: 174, unknown conditional: 0, unknown unconditional: 174] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 162, Positive conditional cache size: 3, Positive unconditional cache size: 159, Negative cache size: 140, Negative conditional cache size: 125, Negative unconditional cache size: 15, SemanticConditionEliminator.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 140, negative conditional: 125, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 43, positive conditional: 11, positive unconditional: 32, negative: 247, negative conditional: 190, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1149, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 1008, negative conditional: 611, negative unconditional: 397, unknown: 128, unknown conditional: 128, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 162, Positive conditional cache size: 3, Positive unconditional cache size: 159, Negative cache size: 140, Negative conditional cache size: 125, Negative unconditional cache size: 15, Eliminated conditions: 397, SemanticConditionEliminator.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 140, negative conditional: 125, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 43, positive conditional: 11, positive unconditional: 32, negative: 247, negative conditional: 190, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1149, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 1008, negative conditional: 611, negative unconditional: 397, unknown: 128, unknown conditional: 128, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 162, Positive conditional cache size: 3, Positive unconditional cache size: 159, Negative cache size: 140, Negative conditional cache size: 125, Negative unconditional cache size: 15, Eliminated conditions: 397, SemanticConditionEliminator.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 140, negative conditional: 125, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 43, positive conditional: 11, positive unconditional: 32, negative: 247, negative conditional: 190, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1149, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 1008, negative conditional: 611, negative unconditional: 397, unknown: 128, unknown conditional: 128, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 162, Positive conditional cache size: 3, Positive unconditional cache size: 159, Negative cache size: 140, Negative conditional cache size: 125, Negative unconditional cache size: 15, Eliminated conditions: 397, SemanticConditionEliminator.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 140, negative conditional: 125, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 43, positive conditional: 11, positive unconditional: 32, negative: 247, negative conditional: 190, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1149, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 1008, negative conditional: 611, negative unconditional: 397, unknown: 128, unknown conditional: 128, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 162, Positive conditional cache size: 3, Positive unconditional cache size: 159, Negative cache size: 140, Negative conditional cache size: 125, Negative unconditional cache size: 15, Eliminated conditions: 397, SemanticConditionEliminator.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 140, negative conditional: 125, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 43, positive conditional: 11, positive unconditional: 32, negative: 247, negative conditional: 190, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1149, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 1008, negative conditional: 611, negative unconditional: 397, unknown: 128, unknown conditional: 128, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 162, Positive conditional cache size: 3, Positive unconditional cache size: 159, Negative cache size: 140, Negative conditional cache size: 125, Negative unconditional cache size: 15, Eliminated conditions: 397, SemanticConditionEliminator.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 140, negative conditional: 125, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 43, positive conditional: 11, positive unconditional: 32, negative: 247, negative conditional: 190, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1149, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 1008, negative conditional: 611, negative unconditional: 397, unknown: 128, unknown conditional: 128, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 162, Positive conditional cache size: 3, Positive unconditional cache size: 159, Negative cache size: 140, Negative conditional cache size: 125, Negative unconditional cache size: 15, Eliminated conditions: 397, SemanticConditionEliminator.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 140, negative conditional: 125, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 43, positive conditional: 11, positive unconditional: 32, negative: 247, negative conditional: 190, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1149, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 1008, negative conditional: 611, negative unconditional: 397, unknown: 128, unknown conditional: 128, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 162, Positive conditional cache size: 3, Positive unconditional cache size: 159, Negative cache size: 140, Negative conditional cache size: 125, Negative unconditional cache size: 15, Eliminated conditions: 397, SemanticConditionEliminator.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 140, negative conditional: 125, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 43, positive conditional: 11, positive unconditional: 32, negative: 247, negative conditional: 190, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1149, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 1008, negative conditional: 611, negative unconditional: 397, unknown: 128, unknown conditional: 128, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 162, Positive conditional cache size: 3, Positive unconditional cache size: 159, Negative cache size: 140, Negative conditional cache size: 125, Negative unconditional cache size: 15, Eliminated conditions: 397, SemanticConditionEliminator.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1149, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 1133, negative conditional: 736, negative unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 15, positive conditional: 3, positive unconditional: 12, negative: 140, negative conditional: 125, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 43, positive conditional: 11, positive unconditional: 32, negative: 247, negative conditional: 190, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1149, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 1008, negative conditional: 611, negative unconditional: 397, unknown: 128, unknown conditional: 128, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 162, Positive conditional cache size: 3, Positive unconditional cache size: 159, Negative cache size: 140, Negative conditional cache size: 125, Negative unconditional cache size: 15, Eliminated conditions: 397 ], Maximal queried relation: 9, Independence queries for same thread: 0 - PositiveResult [Line: 65]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2025.7ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.0ms, PartialOrderReductionTime: 1290.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, 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: 13.3ms SsaConstructionTime, 103.9ms SatisfiabilityAnalysisTime, 399.4ms InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...