/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/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 19:52:59,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 19:52:59,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 19:52:59,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-03 19:52:59,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-03 19:52:59,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-03 19:52:59,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-03 19:52:59,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-03 19:52:59,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-03 19:52:59,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-03 19:52:59,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-03 19:52:59,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-03 19:52:59,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-03 19:52:59,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-03 19:52:59,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-03 19:52:59,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-03 19:52:59,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-03 19:52:59,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-03 19:52:59,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-03 19:52:59,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-03 19:52:59,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-03 19:52:59,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-03 19:52:59,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-03 19:52:59,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-03 19:52:59,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-03 19:52:59,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-03 19:52:59,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-03 19:52:59,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-03 19:52:59,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-03 19:52:59,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-03 19:52:59,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-03 19:52:59,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-03 19:52:59,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-03 19:52:59,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-03 19:52:59,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-03 19:52:59,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-03 19:52:59,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-03 19:52:59,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-03 19:52:59,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 19:52:59,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 19:52:59,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 19:52:59,862 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 [2021-05-03 19:52:59,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 19:52:59,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 19:52:59,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 19:52:59,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 19:52:59,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 19:52:59,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 19:52:59,895 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 19:52:59,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 19:52:59,895 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 19:52:59,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 19:52:59,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 19:52:59,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 19:52:59,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 19:52:59,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 19:52:59,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 19:52:59,896 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 19:52:59,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 19:52:59,897 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 19:52:59,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 19:52:59,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 19:52:59,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 19:52:59,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 19:52:59,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 19:52:59,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 19:52:59,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 19:52:59,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 19:52:59,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 19:52:59,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 19:52:59,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 19:52:59,898 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 19:52:59,898 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 19:52:59,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 19:52:59,898 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-05-03 19:52:59,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 19:53:00,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 19:53:00,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 19:53:00,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 19:53:00,279 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 19:53:00,280 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 19:53:00,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl [2021-05-03 19:53:00,281 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl' [2021-05-03 19:53:00,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 19:53:00,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 19:53:00,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 19:53:00,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 19:53:00,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 19:53:00,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:53:00" (1/1) ... [2021-05-03 19:53:00,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:53:00" (1/1) ... [2021-05-03 19:53:00,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 19:53:00,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 19:53:00,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 19:53:00,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 19:53:00,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:53:00" (1/1) ... [2021-05-03 19:53:00,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:53:00" (1/1) ... [2021-05-03 19:53:00,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:53:00" (1/1) ... [2021-05-03 19:53:00,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:53:00" (1/1) ... [2021-05-03 19:53:00,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:53:00" (1/1) ... [2021-05-03 19:53:00,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:53:00" (1/1) ... [2021-05-03 19:53:00,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:53:00" (1/1) ... [2021-05-03 19:53:00,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 19:53:00,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 19:53:00,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 19:53:00,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 19:53:00,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:53:00" (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 [2021-05-03 19:53:00,519 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 19:53:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 19:53:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 19:53:00,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 19:53:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 19:53:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 19:53:00,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 19:53:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 19:53:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 19:53:00,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-03 19:53:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-03 19:53:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-03 19:53:00,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-05-03 19:53:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-05-03 19:53:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-05-03 19:53:00,523 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-03 19:53:00,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 19:53:00,827 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-03 19:53:00,829 INFO L202 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:53:00 BoogieIcfgContainer [2021-05-03 19:53:00,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 19:53:00,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 19:53:00,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 19:53:00,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 19:53:00,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:53:00" (1/2) ... [2021-05-03 19:53:00,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86e8023 and model type buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 07:53:00, skipping insertion in model container [2021-05-03 19:53:00,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:53:00" (2/2) ... [2021-05-03 19:53:00,837 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-series.wvr.bpl [2021-05-03 19:53:00,859 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 19:53:00,860 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 19:53:00,863 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 19:53:00,864 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 19:53:01,005 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-05-03 19:53:01,026 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-05-03 19:53:01,097 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 19:53:01,098 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 19:53:01,098 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 19:53:01,098 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 19:53:01,098 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 19:53:01,099 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 19:53:01,099 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 19:53:01,099 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 19:53:01,306 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:01,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:01,311 INFO L82 PathProgramCache]: Analyzing trace with hash 354457354, now seen corresponding path program 1 times [2021-05-03 19:53:01,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:01,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270875587] [2021-05-03 19:53:01,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:53:01,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270875587] [2021-05-03 19:53:01,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340060826] [2021-05-03 19:53:01,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:01,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjunts are in the unsatisfiable core [2021-05-03 19:53:01,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:02,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-05-03 19:53:02,060 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:53:02,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:53:02,067 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:53:02,067 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2021-05-03 19:53:02,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-05-03 19:53:02,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:53:02,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:53:02,135 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:53:02,136 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:7 [2021-05-03 19:53:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:53:02,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:53:02,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-05-03 19:53:02,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759253363] [2021-05-03 19:53:02,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-03 19:53:02,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:02,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-03 19:53:02,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-05-03 19:53:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:02,311 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:02,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 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) [2021-05-03 19:53:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 19:53:02,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-05-03 19:53:02,785 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:02,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:02,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1020637527, now seen corresponding path program 1 times [2021-05-03 19:53:02,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:02,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079738727] [2021-05-03 19:53:02,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-05-03 19:53:02,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079738727] [2021-05-03 19:53:02,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 19:53:02,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-03 19:53:02,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756384103] [2021-05-03 19:53:02,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 19:53:02,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:02,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 19:53:02,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 19:53:02,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:02,820 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:02,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-05-03 19:53:02,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 19:53:02,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:02,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:02,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:02,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-03 19:53:02,926 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:02,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:02,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1416781431, now seen corresponding path program 2 times [2021-05-03 19:53:02,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:02,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430974332] [2021-05-03 19:53:02,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:02,981 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-05-03 19:53:02,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430974332] [2021-05-03 19:53:02,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 19:53:02,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-03 19:53:02,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601989130] [2021-05-03 19:53:02,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 19:53:02,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:02,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 19:53:02,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 19:53:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:02,985 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:02,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-05-03 19:53:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:02,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:03,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:03,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-03 19:53:03,061 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:03,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:03,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1850719302, now seen corresponding path program 3 times [2021-05-03 19:53:03,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:03,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055640396] [2021-05-03 19:53:03,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-03 19:53:03,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055640396] [2021-05-03 19:53:03,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945711935] [2021-05-03 19:53:03,104 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 [2021-05-03 19:53:03,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-05-03 19:53:03,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:53:03,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2021-05-03 19:53:03,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-03 19:53:03,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-05-03 19:53:03,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-05-03 19:53:03,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030518477] [2021-05-03 19:53:03,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-03 19:53:03,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:03,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-03 19:53:03,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-05-03 19:53:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:03,243 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:03,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 19:53:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:03,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:03,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:03,517 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:03,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:03,517 INFO L82 PathProgramCache]: Analyzing trace with hash 95258312, now seen corresponding path program 2 times [2021-05-03 19:53:03,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:03,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827285866] [2021-05-03 19:53:03,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-03 19:53:03,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827285866] [2021-05-03 19:53:03,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586879438] [2021-05-03 19:53:03,559 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 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 [2021-05-03 19:53:03,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 19:53:03,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:53:03,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2021-05-03 19:53:03,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:03,821 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-03 19:53:03,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:53:03,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-05-03 19:53:03,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716188050] [2021-05-03 19:53:03,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-03 19:53:03,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:03,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-03 19:53:03,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-05-03 19:53:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:03,823 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:03,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 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) [2021-05-03 19:53:03,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:03,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:03,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:03,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:03,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:03,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:03,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:03,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:03,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:53:04,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:04,217 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:04,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:04,217 INFO L82 PathProgramCache]: Analyzing trace with hash 546738592, now seen corresponding path program 3 times [2021-05-03 19:53:04,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:04,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581593999] [2021-05-03 19:53:04,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:04,350 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-05-03 19:53:04,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581593999] [2021-05-03 19:53:04,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165509491] [2021-05-03 19:53:04,350 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 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 [2021-05-03 19:53:04,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-05-03 19:53:04,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:53:04,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2021-05-03 19:53:04,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-05-03 19:53:04,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:53:04,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 14 [2021-05-03 19:53:04,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696778230] [2021-05-03 19:53:04,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-03 19:53:04,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:04,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-03 19:53:04,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-05-03 19:53:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:04,810 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:04,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.2) internal successors, (78), 14 states have internal predecessors, (78), 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) [2021-05-03 19:53:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:53:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:53:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:05,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-03 19:53:05,329 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:05,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:05,330 INFO L82 PathProgramCache]: Analyzing trace with hash -2077682447, now seen corresponding path program 4 times [2021-05-03 19:53:05,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:05,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311200969] [2021-05-03 19:53:05,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:05,435 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-05-03 19:53:05,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311200969] [2021-05-03 19:53:05,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968454266] [2021-05-03 19:53:05,436 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:05,489 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 19:53:05,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:53:05,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjunts are in the unsatisfiable core [2021-05-03 19:53:05,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-05-03 19:53:05,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:53:05,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-05-03 19:53:05,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102042600] [2021-05-03 19:53:05,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-03 19:53:05,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:05,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-03 19:53:05,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-05-03 19:53:05,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:05,651 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:05,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 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) [2021-05-03 19:53:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:53:05,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:05,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:05,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:05,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:05,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:05,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:05,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:06,177 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:06,177 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:06,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:06,177 INFO L82 PathProgramCache]: Analyzing trace with hash 44009845, now seen corresponding path program 5 times [2021-05-03 19:53:06,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:06,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144399379] [2021-05-03 19:53:06,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:53:07,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144399379] [2021-05-03 19:53:07,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812940478] [2021-05-03 19:53:07,609 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:07,660 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-05-03 19:53:07,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:53:07,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 82 conjunts are in the unsatisfiable core [2021-05-03 19:53:07,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:09,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2021-05-03 19:53:09,217 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:53:09,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:53:09,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-05-03 19:53:09,245 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:102, output treesize:74 [2021-05-03 19:53:11,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:11,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:11,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:11,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:11,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:11,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:53:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:11,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 40 [2021-05-03 19:53:11,589 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:53:11,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:53:11,611 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-05-03 19:53:11,612 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:95, output treesize:37 [2021-05-03 19:53:12,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:12,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:53:12,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:12,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:12,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:53:12,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:12,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:53:12,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:53:12,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 10 [2021-05-03 19:53:12,364 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-05-03 19:53:12,369 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:53:12,371 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:53:12,371 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:39, output treesize:3 [2021-05-03 19:53:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:53:12,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:53:12,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 53 [2021-05-03 19:53:12,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509932904] [2021-05-03 19:53:12,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-05-03 19:53:12,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:12,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-05-03 19:53:12,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=2694, Unknown=0, NotChecked=0, Total=2862 [2021-05-03 19:53:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:12,442 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:12,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 2.037037037037037) internal successors, (110), 53 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) [2021-05-03 19:53:12,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:12,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:12,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:12,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:12,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:12,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:12,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:12,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:20,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:20,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:20,602 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:20,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:20,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1674070936, now seen corresponding path program 6 times [2021-05-03 19:53:20,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:20,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452385362] [2021-05-03 19:53:20,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 26 proven. 25 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-05-03 19:53:20,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452385362] [2021-05-03 19:53:20,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443057842] [2021-05-03 19:53:20,710 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:20,773 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-05-03 19:53:20,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:53:20,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 19:53:20,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:20,906 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-05-03 19:53:20,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:53:20,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-05-03 19:53:20,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912227659] [2021-05-03 19:53:20,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-03 19:53:20,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:20,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-03 19:53:20,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-05-03 19:53:20,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:20,912 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:20,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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) [2021-05-03 19:53:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:21,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:21,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:21,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:21,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:21,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:21,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:21,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:21,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:21,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-05-03 19:53:21,251 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:21,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:21,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1562005782, now seen corresponding path program 7 times [2021-05-03 19:53:21,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:21,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854111532] [2021-05-03 19:53:21,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 26 proven. 25 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-05-03 19:53:21,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854111532] [2021-05-03 19:53:21,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078043109] [2021-05-03 19:53:21,367 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:21,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 19:53:21,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-05-03 19:53:21,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:53:21,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-05-03 19:53:21,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546478505] [2021-05-03 19:53:21,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-03 19:53:21,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:21,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-03 19:53:21,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-05-03 19:53:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:21,636 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:21,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 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) [2021-05-03 19:53:21,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:21,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:21,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:21,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:21,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:21,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:21,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:21,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:21,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:21,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:21,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:22,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:22,203 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:22,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:22,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1814439832, now seen corresponding path program 8 times [2021-05-03 19:53:22,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:22,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027507072] [2021-05-03 19:53:22,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:53:24,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027507072] [2021-05-03 19:53:24,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591099403] [2021-05-03 19:53:24,099 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 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 [2021-05-03 19:53:24,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 19:53:24,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:53:24,145 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 103 conjunts are in the unsatisfiable core [2021-05-03 19:53:24,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:25,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 77 [2021-05-03 19:53:25,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:53:25,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:53:25,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:53:25,645 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:65 [2021-05-03 19:53:26,227 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-05-03 19:53:26,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 52 [2021-05-03 19:53:26,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:53:26,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:53:26,232 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:53:26,233 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:36 [2021-05-03 19:53:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:53:26,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:53:26,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 30] total 57 [2021-05-03 19:53:26,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661500918] [2021-05-03 19:53:26,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-05-03 19:53:26,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:26,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-05-03 19:53:26,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=3110, Unknown=0, NotChecked=0, Total=3306 [2021-05-03 19:53:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:26,413 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:26,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 2.0172413793103448) internal successors, (117), 57 states have internal predecessors, (117), 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) [2021-05-03 19:53:26,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:26,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:26,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:26,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:26,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:26,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:26,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:26,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:26,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:26,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:26,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:29,297 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2021-05-03 19:53:29,587 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 61 [2021-05-03 19:53:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:32,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-05-03 19:53:32,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:32,733 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:32,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:32,734 INFO L82 PathProgramCache]: Analyzing trace with hash 2145385422, now seen corresponding path program 9 times [2021-05-03 19:53:32,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:32,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210005824] [2021-05-03 19:53:32,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 130 proven. 121 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-05-03 19:53:32,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210005824] [2021-05-03 19:53:32,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021966828] [2021-05-03 19:53:32,888 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 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 [2021-05-03 19:53:32,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-05-03 19:53:32,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:53:32,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-03 19:53:32,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 66 proven. 200 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-05-03 19:53:33,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:53:33,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18] total 25 [2021-05-03 19:53:33,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513292671] [2021-05-03 19:53:33,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-05-03 19:53:33,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:33,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-05-03 19:53:33,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2021-05-03 19:53:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:33,562 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:33,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 25 states have internal predecessors, (119), 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) [2021-05-03 19:53:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-05-03 19:53:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:34,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:34,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:34,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:34,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:34,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:34,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:34,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:34,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:34,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:34,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:34,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 19:53:34,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-05-03 19:53:34,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-05-03 19:53:34,494 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:34,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:34,494 INFO L82 PathProgramCache]: Analyzing trace with hash -221759523, now seen corresponding path program 10 times [2021-05-03 19:53:34,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:34,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331949163] [2021-05-03 19:53:34,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 265 proven. 176 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-05-03 19:53:34,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331949163] [2021-05-03 19:53:34,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191755363] [2021-05-03 19:53:34,879 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 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 [2021-05-03 19:53:34,936 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 19:53:34,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:53:34,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-03 19:53:34,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 289 proven. 36 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-05-03 19:53:35,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:53:35,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 13] total 37 [2021-05-03 19:53:35,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784116717] [2021-05-03 19:53:35,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-05-03 19:53:35,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:35,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-05-03 19:53:35,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1135, Unknown=0, NotChecked=0, Total=1406 [2021-05-03 19:53:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:35,450 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:35,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.0) internal successors, (152), 37 states have internal predecessors, (152), 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) [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-05-03 19:53:35,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:37,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:37,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:37,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:37,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 19:53:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-05-03 19:53:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:53:37,336 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-05-03 19:53:37,337 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:53:37,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:53:37,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1707772445, now seen corresponding path program 11 times [2021-05-03 19:53:37,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:53:37,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627341082] [2021-05-03 19:53:37,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:53:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:53:39,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 353 proven. 1208 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-05-03 19:53:39,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627341082] [2021-05-03 19:53:39,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806176394] [2021-05-03 19:53:39,937 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:53:40,094 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2021-05-03 19:53:40,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:53:40,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 28 conjunts are in the unsatisfiable core [2021-05-03 19:53:40,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:53:42,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 265 proven. 665 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2021-05-03 19:53:42,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:53:42,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 27] total 100 [2021-05-03 19:53:42,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371282007] [2021-05-03 19:53:42,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-05-03 19:53:42,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:53:42,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-05-03 19:53:42,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1054, Invalid=9046, Unknown=0, NotChecked=0, Total=10100 [2021-05-03 19:53:42,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:53:42,143 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:53:42,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 2.5544554455445545) internal successors, (258), 100 states have internal predecessors, (258), 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) [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 19:53:42,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-05-03 19:53:42,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:53:42,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:55:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:04,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:04,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:04,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:55:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:55:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:55:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:55:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:04,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:55:04,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:55:04,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:55:04,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-05-03 19:55:04,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-05-03 19:55:04,886 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:55:04,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:55:04,887 INFO L82 PathProgramCache]: Analyzing trace with hash 855295136, now seen corresponding path program 12 times [2021-05-03 19:55:04,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:55:04,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378270162] [2021-05-03 19:55:04,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:55:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:55:06,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 710 proven. 532 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-05-03 19:55:06,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378270162] [2021-05-03 19:55:06,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936150943] [2021-05-03 19:55:06,404 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:55:06,618 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2021-05-03 19:55:06,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:55:06,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 31 conjunts are in the unsatisfiable core [2021-05-03 19:55:06,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:55:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 507 proven. 100 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2021-05-03 19:55:07,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:55:07,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 16] total 56 [2021-05-03 19:55:07,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191607135] [2021-05-03 19:55:08,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-05-03 19:55:08,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:55:08,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-05-03 19:55:08,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=805, Invalid=2387, Unknown=0, NotChecked=0, Total=3192 [2021-05-03 19:55:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:55:08,002 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:55:08,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 3.4210526315789473) internal successors, (195), 56 states have internal predecessors, (195), 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) [2021-05-03 19:55:08,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:08,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:08,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:08,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:55:08,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:55:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:55:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:55:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:55:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:55:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:55:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-05-03 19:55:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:55:15,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-05-03 19:55:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-05-03 19:55:15,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:55:15,584 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:55:15,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:55:15,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1860923577, now seen corresponding path program 13 times [2021-05-03 19:55:15,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:55:15,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664729340] [2021-05-03 19:55:15,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:55:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:55:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 441 proven. 590 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-05-03 19:55:16,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664729340] [2021-05-03 19:55:16,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407799886] [2021-05-03 19:55:16,969 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:55:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:55:17,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 37 conjunts are in the unsatisfiable core [2021-05-03 19:55:17,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:55:20,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 532 proven. 345 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2021-05-03 19:55:20,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:55:20,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 36] total 78 [2021-05-03 19:55:20,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901117085] [2021-05-03 19:55:20,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-05-03 19:55:20,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:55:20,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-05-03 19:55:20,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1100, Invalid=5062, Unknown=0, NotChecked=0, Total=6162 [2021-05-03 19:55:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:55:20,014 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:55:20,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 3.0) internal successors, (237), 78 states have internal predecessors, (237), 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) [2021-05-03 19:55:20,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:20,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:20,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:20,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:55:20,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:55:20,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:55:20,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:20,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:55:20,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:20,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:20,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:55:20,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:55:20,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:55:20,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-05-03 19:55:20,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-05-03 19:55:20,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:55:27,826 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:55:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-05-03 19:55:29,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-05-03 19:55:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-05-03 19:55:29,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-05-03 19:55:29,226 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:55:29,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:55:29,245 INFO L82 PathProgramCache]: Analyzing trace with hash 595156167, now seen corresponding path program 14 times [2021-05-03 19:55:29,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:55:29,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860446686] [2021-05-03 19:55:29,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:55:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:55:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 1173 proven. 651 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-05-03 19:55:31,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860446686] [2021-05-03 19:55:31,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657504826] [2021-05-03 19:55:31,304 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:55:31,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 19:55:31,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:55:31,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 44 conjunts are in the unsatisfiable core [2021-05-03 19:55:31,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:55:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 1173 proven. 651 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-05-03 19:55:32,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:55:32,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 23] total 46 [2021-05-03 19:55:32,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048037285] [2021-05-03 19:55:32,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-05-03 19:55:32,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:55:32,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-05-03 19:55:32,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=828, Invalid=1334, Unknown=0, NotChecked=0, Total=2162 [2021-05-03 19:55:32,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:55:32,299 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:55:32,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 4.0212765957446805) internal successors, (189), 46 states have internal predecessors, (189), 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) [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-05-03 19:55:32,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:55:37,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:37,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:37,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-05-03 19:55:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-05-03 19:55:37,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:55:37,361 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-05-03 19:55:37,361 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:55:37,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:55:37,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1043653095, now seen corresponding path program 15 times [2021-05-03 19:55:37,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:55:37,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267625589] [2021-05-03 19:55:37,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:55:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:55:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3318 backedges. 1106 proven. 1707 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2021-05-03 19:55:43,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267625589] [2021-05-03 19:55:43,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344064507] [2021-05-03 19:55:43,321 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:55:43,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2021-05-03 19:55:43,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:55:43,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 55 conjunts are in the unsatisfiable core [2021-05-03 19:55:43,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:55:53,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3318 backedges. 1741 proven. 715 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2021-05-03 19:55:53,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:55:53,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 54] total 137 [2021-05-03 19:55:53,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273989737] [2021-05-03 19:55:53,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 138 states [2021-05-03 19:55:53,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:55:53,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2021-05-03 19:55:53,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2265, Invalid=16641, Unknown=0, NotChecked=0, Total=18906 [2021-05-03 19:55:53,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:55:53,458 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:55:53,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 138 states, 138 states have (on average 2.7971014492753623) internal successors, (386), 137 states have internal predecessors, (386), 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) [2021-05-03 19:55:53,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:53,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:53,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:55:53,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:55:53,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:55:53,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:55:53,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:55:53,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:55:53,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:53,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:55:53,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:55:53,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:55:53,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:55:53,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-05-03 19:55:53,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-05-03 19:55:53,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-05-03 19:55:53,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:55:53,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:55:53,779 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 593 states. [2021-05-03 19:56:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-05-03 19:56:04,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-05-03 19:56:04,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:56:04,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-03 19:56:05,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-05-03 19:56:05,061 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:56:05,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:56:05,062 INFO L82 PathProgramCache]: Analyzing trace with hash -106409315, now seen corresponding path program 16 times [2021-05-03 19:56:05,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:56:05,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326182618] [2021-05-03 19:56:05,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:56:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:56:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5028 backedges. 914 proven. 3498 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-05-03 19:56:17,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326182618] [2021-05-03 19:56:17,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359802004] [2021-05-03 19:56:17,716 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:56:17,846 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 19:56:17,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:56:17,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 70 conjunts are in the unsatisfiable core [2021-05-03 19:56:17,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:56:23,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5028 backedges. 2421 proven. 1122 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2021-05-03 19:56:23,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:56:23,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 26] total 150 [2021-05-03 19:56:23,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545655628] [2021-05-03 19:56:23,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 151 states [2021-05-03 19:56:23,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:56:23,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2021-05-03 19:56:23,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2456, Invalid=20194, Unknown=0, NotChecked=0, Total=22650 [2021-05-03 19:56:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:56:23,937 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:56:23,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 151 states, 151 states have (on average 2.5827814569536423) internal successors, (390), 150 states have internal predecessors, (390), 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) [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 593 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-05-03 19:56:23,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 593 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:57:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-03 19:57:52,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 495 states. [2021-05-03 19:57:53,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:57:53,092 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:57:53,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:57:53,092 INFO L82 PathProgramCache]: Analyzing trace with hash 527584747, now seen corresponding path program 17 times [2021-05-03 19:57:53,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:57:53,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074981904] [2021-05-03 19:57:53,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:57:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4030 backedges. 2074 proven. 1928 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-05-03 19:57:59,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074981904] [2021-05-03 19:57:59,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412437835] [2021-05-03 19:57:59,790 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:58:00,170 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2021-05-03 19:58:00,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:58:00,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 56 conjunts are in the unsatisfiable core [2021-05-03 19:58:00,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:58:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4030 backedges. 2024 proven. 576 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-05-03 19:58:06,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:58:06,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 32] total 103 [2021-05-03 19:58:06,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969931136] [2021-05-03 19:58:06,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 104 states [2021-05-03 19:58:06,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:58:06,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-05-03 19:58:06,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2051, Invalid=8661, Unknown=0, NotChecked=0, Total=10712 [2021-05-03 19:58:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:58:06,882 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:58:06,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 104 states, 104 states have (on average 4.173076923076923) internal successors, (434), 103 states have internal predecessors, (434), 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) [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 593 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 495 states. [2021-05-03 19:58:06,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:58:35,811 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 593 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-03 19:59:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-03 19:59:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 495 states. [2021-05-03 19:59:27,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 415 states. [2021-05-03 19:59:27,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:59:27,750 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:59:27,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:59:27,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1421445641, now seen corresponding path program 18 times [2021-05-03 19:59:27,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:59:27,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134590866] [2021-05-03 19:59:27,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:59:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:59:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6170 backedges. 2926 proven. 2628 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-05-03 19:59:58,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134590866] [2021-05-03 19:59:58,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268167683] [2021-05-03 19:59:58,027 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:59:58,641 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 53 check-sat command(s) [2021-05-03 19:59:58,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:59:58,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 79 conjunts are in the unsatisfiable core [2021-05-03 19:59:58,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:00:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6170 backedges. 3015 proven. 1877 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-05-03 20:00:53,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:00:53,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [156, 78] total 233 [2021-05-03 20:00:53,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494474193] [2021-05-03 20:00:53,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 234 states [2021-05-03 20:00:53,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:00:53,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2021-05-03 20:00:53,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6720, Invalid=47802, Unknown=0, NotChecked=0, Total=54522 [2021-05-03 20:00:53,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:00:53,748 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:00:53,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 234 states, 234 states have (on average 2.252136752136752) internal successors, (527), 233 states have internal predecessors, (527), 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) [2021-05-03 20:00:53,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 593 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 495 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 415 states. [2021-05-03 20:00:53,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:01:54,421 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2021-05-03 20:03:23,926 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-05-03 20:05:29,603 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-05-03 20:06:31,255 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 19 Received shutdown request... [2021-05-03 20:06:53,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-05-03 20:06:53,101 WARN L545 AbstractCegarLoop]: Verification canceled [2021-05-03 20:06:53,154 WARN L224 ceAbstractionStarter]: Timeout [2021-05-03 20:06:53,155 INFO L202 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 08:06:53 BasicIcfg [2021-05-03 20:06:53,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-03 20:06:53,156 INFO L168 Benchmark]: Toolchain (without parser) took 832832.41 ms. Allocated memory was 331.4 MB in the beginning and 10.4 GB in the end (delta: 10.0 GB). Free memory was 310.8 MB in the beginning and 7.5 GB in the end (delta: -7.2 GB). Peak memory consumption was 2.9 GB. Max. memory is 16.0 GB. [2021-05-03 20:06:53,156 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 331.4 MB. Free memory was 312.0 MB in the beginning and 311.9 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 20:06:53,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.93 ms. Allocated memory is still 331.4 MB. Free memory was 310.7 MB in the beginning and 309.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 20:06:53,156 INFO L168 Benchmark]: Boogie Preprocessor took 37.11 ms. Allocated memory is still 331.4 MB. Free memory was 309.3 MB in the beginning and 308.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-03 20:06:53,156 INFO L168 Benchmark]: RCFGBuilder took 392.91 ms. Allocated memory is still 331.4 MB. Free memory was 308.1 MB in the beginning and 293.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-05-03 20:06:53,156 INFO L168 Benchmark]: TraceAbstraction took 832323.78 ms. Allocated memory was 331.4 MB in the beginning and 10.4 GB in the end (delta: 10.0 GB). Free memory was 292.5 MB in the beginning and 7.5 GB in the end (delta: -7.2 GB). Peak memory consumption was 2.9 GB. Max. memory is 16.0 GB. [2021-05-03 20:06:53,156 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 0.19 ms. Allocated memory is still 331.4 MB. Free memory was 312.0 MB in the beginning and 311.9 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 68.93 ms. Allocated memory is still 331.4 MB. Free memory was 310.7 MB in the beginning and 309.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 37.11 ms. Allocated memory is still 331.4 MB. Free memory was 309.3 MB in the beginning and 308.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 392.91 ms. Allocated memory is still 331.4 MB. Free memory was 308.1 MB in the beginning and 293.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 832323.78 ms. Allocated memory was 331.4 MB in the beginning and 10.4 GB in the end (delta: 10.0 GB). Free memory was 292.5 MB in the beginning and 7.5 GB in the end (delta: -7.2 GB). Peak memory consumption was 2.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7538913, positive: 6946855, positive conditional: 6946855, positive unconditional: 0, negative: 592058, negative conditional: 592058, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6949672, positive: 6946855, positive conditional: 6946855, positive unconditional: 0, negative: 2817, negative conditional: 2817, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6949672, positive: 6666522, positive conditional: 0, positive unconditional: 6666522, negative: 283150, negative conditional: 0, negative unconditional: 283150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 174, positive: 170, positive conditional: 0, positive unconditional: 170, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 174, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6949672, positive: 6666352, positive conditional: 0, positive unconditional: 6666352, negative: 283146, negative conditional: 0, negative unconditional: 283146, unknown: 174, unknown conditional: 0, unknown unconditional: 174] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673, SemanticConditionEliminator.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2001650, positive: 280333, positive conditional: 280333, positive unconditional: 0, negative: 1721317, negative conditional: 769644, negative unconditional: 951673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 533, positive: 319, positive conditional: 312, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1500, positive: 781, positive conditional: 718, positive unconditional: 63, negative: 719, negative conditional: 667, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2001650, positive: 280021, positive conditional: 280021, positive unconditional: 0, negative: 1721107, negative conditional: 769434, negative unconditional: 951673, unknown: 522, unknown conditional: 522, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 482, Positive conditional cache size: 312, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 951673 ], Maximal queried relation: 21, Independence queries for same thread: 589241 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 874 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 832093.0ms, OverallIterations: 21, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.8ms, PartialOrderReductionTime: 662283.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2733, 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: 317.6ms SsaConstructionTime, 2982.6ms SatisfiabilityAnalysisTime, 161553.6ms InterpolantComputationTime, 5683 NumberOfCodeBlocks, 5641 NumberOfCodeBlocksAsserted, 261 NumberOfCheckSat, 5643 ConstructedInterpolants, 38 QuantifiedInterpolants, 45271 SizeOfPredicates, 44 NumberOfNonLiveVariables, 7417 ConjunctsInSsa, 695 ConjunctsInUnsatCore, 40 InterpolantComputations, 3 PerfectInterpolantSequences, 36219/56069 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown