/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 22:00:32,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 22:00:32,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 22:00:32,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 22:00:32,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 22:00:32,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 22:00:32,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 22:00:32,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 22:00:32,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 22:00:32,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 22:00:32,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 22:00:32,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 22:00:32,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 22:00:32,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 22:00:32,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 22:00:32,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 22:00:32,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 22:00:32,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 22:00:32,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 22:00:32,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 22:00:32,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 22:00:32,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 22:00:32,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 22:00:32,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 22:00:32,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 22:00:32,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 22:00:32,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 22:00:32,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 22:00:32,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 22:00:32,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 22:00:32,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 22:00:32,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 22:00:32,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 22:00:32,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 22:00:32,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 22:00:32,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 22:00:32,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 22:00:32,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 22:00:32,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 22:00:32,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 22:00:32,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 22:00:32,946 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-Random521.epf [2021-06-06 22:00:32,986 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 22:00:32,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 22:00:32,986 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 22:00:32,986 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 22:00:32,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 22:00:32,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 22:00:32,987 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 22:00:32,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 22:00:32,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 22:00:32,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 22:00:32,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 22:00:32,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 22:00:32,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 22:00:32,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 22:00:32,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 22:00:32,989 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 22:00:32,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 22:00:32,989 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 22:00:32,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 22:00:32,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 22:00:32,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 22:00:32,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 22:00:32,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 22:00:32,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:00:32,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 22:00:32,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 22:00:32,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 22:00:32,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 22:00:32,990 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 22:00:32,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 22:00:32,991 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 22:00:32,991 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 22:00:32,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 22:00:32,991 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 22:00:32,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 22:00:32,991 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 22:00:33,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 22:00:33,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 22:00:33,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 22:00:33,290 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 22:00:33,291 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 22:00:33,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl [2021-06-06 22:00:33,401 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl' [2021-06-06 22:00:33,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 22:00:33,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 22:00:33,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 22:00:33,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 22:00:33,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 22:00:33,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:00:33" (1/1) ... [2021-06-06 22:00:33,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:00:33" (1/1) ... [2021-06-06 22:00:33,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 22:00:33,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 22:00:33,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 22:00:33,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 22:00:33,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:00:33" (1/1) ... [2021-06-06 22:00:33,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:00:33" (1/1) ... [2021-06-06 22:00:33,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:00:33" (1/1) ... [2021-06-06 22:00:33,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:00:33" (1/1) ... [2021-06-06 22:00:33,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:00:33" (1/1) ... [2021-06-06 22:00:33,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:00:33" (1/1) ... [2021-06-06 22:00:33,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:00:33" (1/1) ... [2021-06-06 22:00:33,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 22:00:33,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 22:00:33,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 22:00:33,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 22:00:33,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:00:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:00:33,533 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 22:00:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 22:00:33,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 22:00:33,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 22:00:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 22:00:33,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 22:00:33,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 22:00:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 22:00:33,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 22:00:33,536 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 22:00:33,722 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 22:00:33,723 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 22:00:33,724 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:00:33 BoogieIcfgContainer [2021-06-06 22:00:33,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 22:00:33,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 22:00:33,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 22:00:33,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 22:00:33,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:00:33" (1/2) ... [2021-06-06 22:00:33,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636543d8 and model type nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 10:00:33, skipping insertion in model container [2021-06-06 22:00:33,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:00:33" (2/2) ... [2021-06-06 22:00:33,729 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-cntr-alt.wvr.bpl [2021-06-06 22:00:33,733 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 22:00:33,733 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 22:00:33,734 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 22:00:33,734 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 22:00:33,800 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 22:00:33,825 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 22:00:33,954 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 22:00:33,954 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 22:00:33,954 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 22:00:33,954 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 22:00:33,955 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 22:00:33,955 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 22:00:33,955 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 22:00:33,955 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 22:00:34,047 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:00:34,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:00:34,055 INFO L82 PathProgramCache]: Analyzing trace with hash -616258117, now seen corresponding path program 1 times [2021-06-06 22:00:34,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:00:34,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882877003] [2021-06-06 22:00:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:00:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:34,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:00:34,197 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882877003] [2021-06-06 22:00:34,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882877003] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:00:34,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 22:00:34,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 22:00:34,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373348152] [2021-06-06 22:00:34,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 22:00:34,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:00:34,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 22:00:34,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 22:00:34,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:34,222 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:00:34,229 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:00:34,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:34,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:34,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 22:00:34,294 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:00:34,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:00:34,294 INFO L82 PathProgramCache]: Analyzing trace with hash 672827641, now seen corresponding path program 1 times [2021-06-06 22:00:34,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:00:34,295 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158810724] [2021-06-06 22:00:34,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:00:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:34,320 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:00:34,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158810724] [2021-06-06 22:00:34,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158810724] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:00:34,321 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 22:00:34,321 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 22:00:34,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159490706] [2021-06-06 22:00:34,322 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 22:00:34,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:00:34,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 22:00:34,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 22:00:34,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:34,324 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:00:34,324 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:00:34,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:34,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:34,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:34,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 22:00:34,356 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:00:34,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:00:34,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1636818429, now seen corresponding path program 1 times [2021-06-06 22:00:34,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:00:34,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675232153] [2021-06-06 22:00:34,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:00:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:34,664 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:00:34,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675232153] [2021-06-06 22:00:34,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675232153] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:34,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910052466] [2021-06-06 22:00:34,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:34,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 22:00:34,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:00:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:35,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910052466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:35,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:00:35,080 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-06 22:00:35,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951714912] [2021-06-06 22:00:35,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 22:00:35,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:00:35,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 22:00:35,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2021-06-06 22:00:35,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:35,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:00:35,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 17 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:00:35,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:35,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:35,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:35,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:35,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:35,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:35,440 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:35,441 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:00:35,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:00:35,442 INFO L82 PathProgramCache]: Analyzing trace with hash -2064554431, now seen corresponding path program 2 times [2021-06-06 22:00:35,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:00:35,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11115144] [2021-06-06 22:00:35,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:00:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:35,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:35,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:00:35,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11115144] [2021-06-06 22:00:35,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11115144] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:35,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889230458] [2021-06-06 22:00:35,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:35,782 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:00:35,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:00:35,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 22:00:35,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:00:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:36,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889230458] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:36,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:00:36,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-06 22:00:36,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586922194] [2021-06-06 22:00:36,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 22:00:36,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:00:36,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 22:00:36,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2021-06-06 22:00:36,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:36,100 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:00:36,100 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:00:36,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:36,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:36,693 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:00:36,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:00:36,694 INFO L82 PathProgramCache]: Analyzing trace with hash -801991937, now seen corresponding path program 3 times [2021-06-06 22:00:36,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:00:36,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996462956] [2021-06-06 22:00:36,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:00:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:36,937 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:00:36,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996462956] [2021-06-06 22:00:36,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996462956] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:36,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624145761] [2021-06-06 22:00:36,937 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:36,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 22:00:36,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:00:36,964 WARN L261 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-06 22:00:36,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:00:37,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:37,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624145761] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:37,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:00:37,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-06-06 22:00:37,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018433851] [2021-06-06 22:00:37,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 22:00:37,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:00:37,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 22:00:37,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2021-06-06 22:00:37,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:37,289 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:00:37,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.9130434782608696) internal successors, (44), 22 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:00:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:00:37,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:37,861 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:00:37,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:00:37,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1825099757, now seen corresponding path program 4 times [2021-06-06 22:00:37,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:00:37,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031770659] [2021-06-06 22:00:37,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:00:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:38,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:00:38,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031770659] [2021-06-06 22:00:38,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031770659] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:38,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464453089] [2021-06-06 22:00:38,094 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:38,135 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:00:38,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:00:38,137 WARN L261 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 22:00:38,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:00:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:38,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464453089] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:38,592 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:00:38,592 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-06 22:00:38,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054311501] [2021-06-06 22:00:38,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 22:00:38,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:00:38,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 22:00:38,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2021-06-06 22:00:38,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:38,594 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:00:38,594 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.9310344827586208) internal successors, (56), 28 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:00:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:38,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:38,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:00:38,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:00:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:00:39,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-06 22:00:39,317 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:00:39,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:00:39,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1743756627, now seen corresponding path program 5 times [2021-06-06 22:00:39,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:00:39,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42380842] [2021-06-06 22:00:39,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:00:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 28 proven. 63 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 22:00:39,568 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:00:39,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42380842] [2021-06-06 22:00:39,568 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42380842] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:39,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366914196] [2021-06-06 22:00:39,568 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:39,603 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-06-06 22:00:39,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:00:39,606 WARN L261 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 61 conjunts are in the unsatisfiable core [2021-06-06 22:00:39,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:00:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:40,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366914196] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:40,216 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:00:40,216 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21] total 34 [2021-06-06 22:00:40,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423172335] [2021-06-06 22:00:40,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-06 22:00:40,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:00:40,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-06 22:00:40,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1045, Unknown=0, NotChecked=0, Total=1190 [2021-06-06 22:00:40,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:40,218 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:00:40,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.2) internal successors, (77), 34 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:00:40,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:40,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:40,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:40,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:40,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:00:40,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:00:40,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:41,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:00:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:00:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:00:41,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:41,580 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:00:41,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:00:41,580 INFO L82 PathProgramCache]: Analyzing trace with hash 889640417, now seen corresponding path program 6 times [2021-06-06 22:00:41,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:00:41,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525421033] [2021-06-06 22:00:41,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:00:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:00:42,220 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:00:42,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525421033] [2021-06-06 22:00:42,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525421033] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:42,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038146628] [2021-06-06 22:00:42,220 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:42,266 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-06 22:00:42,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:00:42,268 WARN L261 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 93 conjunts are in the unsatisfiable core [2021-06-06 22:00:42,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:00:43,518 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:43,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038146628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:43,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:00:43,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 29] total 51 [2021-06-06 22:00:43,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993941837] [2021-06-06 22:00:43,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 22:00:43,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:00:43,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 22:00:43,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=2440, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 22:00:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:43,520 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:00:43,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.1153846153846154) internal successors, (110), 51 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:00:43,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:43,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:43,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:43,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:43,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:00:43,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:00:43,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:00:43,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:00:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:00:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:00:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:00:45,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:45,813 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:00:45,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:00:45,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1315065709, now seen corresponding path program 7 times [2021-06-06 22:00:45,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:00:45,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228062864] [2021-06-06 22:00:45,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:00:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 172 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:46,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:00:46,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228062864] [2021-06-06 22:00:46,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228062864] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:46,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639976984] [2021-06-06 22:00:46,549 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:46,593 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 121 conjunts are in the unsatisfiable core [2021-06-06 22:00:46,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:00:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 424 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:48,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639976984] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:48,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:00:48,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36] total 67 [2021-06-06 22:00:48,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496248875] [2021-06-06 22:00:48,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-06-06 22:00:48,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:00:48,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-06-06 22:00:48,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=569, Invalid=3987, Unknown=0, NotChecked=0, Total=4556 [2021-06-06 22:00:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:48,139 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:00:48,139 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 2.0588235294117645) internal successors, (140), 67 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:00:48,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:48,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:48,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:48,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:48,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:00:48,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:00:48,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:00:48,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:00:48,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:51,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:51,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:51,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:51,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:51,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:00:51,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:00:51,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:00:51,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:00:51,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:00:51,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-06 22:00:51,481 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:00:51,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:00:51,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1604732833, now seen corresponding path program 8 times [2021-06-06 22:00:51,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:00:51,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849201359] [2021-06-06 22:00:51,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:00:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:00:53,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 0 proven. 1404 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:00:53,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:00:53,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849201359] [2021-06-06 22:00:53,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849201359] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:53,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816375728] [2021-06-06 22:00:53,361 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:00:53,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:00:53,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:00:53,447 WARN L261 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 221 conjunts are in the unsatisfiable core [2021-06-06 22:00:53,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:00:57,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 0 proven. 1405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:00:57,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816375728] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:00:57,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:00:57,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 61] total 107 [2021-06-06 22:00:57,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436421564] [2021-06-06 22:00:57,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 108 states [2021-06-06 22:00:57,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:00:57,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2021-06-06 22:00:57,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=724, Invalid=10832, Unknown=0, NotChecked=0, Total=11556 [2021-06-06 22:00:57,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:00:57,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:00:57,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 108 states, 108 states have (on average 2.2037037037037037) internal successors, (238), 107 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:00:57,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:57,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:00:57,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:00:57,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:00:57,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:00:57,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:00:57,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:00:57,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:00:57,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:00:57,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:01:00,957 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 108 [2021-06-06 22:01:01,271 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2021-06-06 22:01:01,509 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2021-06-06 22:01:01,733 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 103 [2021-06-06 22:01:01,956 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2021-06-06 22:01:02,153 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-06 22:01:02,356 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-06-06 22:01:02,560 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 96 [2021-06-06 22:01:02,762 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-06 22:01:03,009 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-06-06 22:01:03,198 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-06 22:01:03,365 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 22:01:03,604 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 22:01:03,778 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 22:01:03,946 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-06-06 22:01:04,154 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-06 22:01:04,328 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-06-06 22:01:04,654 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2021-06-06 22:01:05,109 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-06-06 22:01:06,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:01:06,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:01:06,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:01:06,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:01:06,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:01:06,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:01:06,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:01:06,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:01:06,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:01:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 22:01:07,194 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:01:07,195 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:01:07,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:01:07,195 INFO L82 PathProgramCache]: Analyzing trace with hash 888441411, now seen corresponding path program 9 times [2021-06-06 22:01:07,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:01:07,195 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289482078] [2021-06-06 22:01:07,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:01:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:01:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2440 backedges. 852 proven. 1588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:01:09,354 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:01:09,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289482078] [2021-06-06 22:01:09,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289482078] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:01:09,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499227888] [2021-06-06 22:01:09,355 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:01:09,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2021-06-06 22:01:09,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:01:09,482 WARN L261 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 281 conjunts are in the unsatisfiable core [2021-06-06 22:01:09,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:01:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2440 backedges. 0 proven. 2440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:01:14,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499227888] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:01:14,968 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:01:14,968 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 76] total 139 [2021-06-06 22:01:14,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099306021] [2021-06-06 22:01:14,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 140 states [2021-06-06 22:01:14,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:01:14,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-06-06 22:01:14,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2341, Invalid=17119, Unknown=0, NotChecked=0, Total=19460 [2021-06-06 22:01:14,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:01:14,973 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:01:14,973 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 140 states, 140 states have (on average 2.142857142857143) internal successors, (300), 139 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:01:14,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:01:14,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:01:14,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:01:14,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:01:14,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:01:14,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:01:14,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:01:14,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:01:14,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:01:14,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 22:01:14,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:01:20,330 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 105 [2021-06-06 22:01:20,687 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2021-06-06 22:01:20,965 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2021-06-06 22:01:21,213 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 77 [2021-06-06 22:01:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:01:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:01:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:01:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:01:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:01:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:01:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:01:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:01:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:01:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 22:01:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-06-06 22:01:27,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:01:27,711 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:01:27,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:01:27,712 INFO L82 PathProgramCache]: Analyzing trace with hash -226546911, now seen corresponding path program 10 times [2021-06-06 22:01:27,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:01:27,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228066201] [2021-06-06 22:01:27,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:01:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:01:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6845 backedges. 0 proven. 6844 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:01:33,703 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:01:33,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228066201] [2021-06-06 22:01:33,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228066201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:01:33,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080702524] [2021-06-06 22:01:33,703 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:01:33,819 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:01:33,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:01:33,825 WARN L261 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 477 conjunts are in the unsatisfiable core [2021-06-06 22:01:33,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:01:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6845 backedges. 0 proven. 6845 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:01:49,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080702524] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:01:49,086 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:01:49,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 125] total 219 [2021-06-06 22:01:49,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749013879] [2021-06-06 22:01:49,087 INFO L462 AbstractCegarLoop]: Interpolant automaton has 220 states [2021-06-06 22:01:49,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:01:49,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2021-06-06 22:01:49,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2708, Invalid=45472, Unknown=0, NotChecked=0, Total=48180 [2021-06-06 22:01:49,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:01:49,125 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:01:49,125 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 220 states, 220 states have (on average 2.2454545454545456) internal successors, (494), 219 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:01:49,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:01:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:01:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:01:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:01:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:01:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:01:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:01:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:01:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:01:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 22:01:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-06-06 22:01:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:02:01,078 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 220 [2021-06-06 22:02:01,947 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 218 [2021-06-06 22:02:02,723 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 213 [2021-06-06 22:02:03,400 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 215 [2021-06-06 22:02:04,072 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 213 [2021-06-06 22:02:04,704 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 209 [2021-06-06 22:02:05,344 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 207 [2021-06-06 22:02:06,003 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-06-06 22:02:06,608 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2021-06-06 22:02:07,227 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 200 [2021-06-06 22:02:07,863 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2021-06-06 22:02:08,448 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 195 [2021-06-06 22:02:09,039 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 193 [2021-06-06 22:02:09,641 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 195 [2021-06-06 22:02:10,203 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-06-06 22:02:10,778 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 186 [2021-06-06 22:02:11,354 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-06-06 22:02:11,890 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 181 [2021-06-06 22:02:12,434 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 179 [2021-06-06 22:02:13,000 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 181 [2021-06-06 22:02:13,511 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 174 [2021-06-06 22:02:14,028 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 172 [2021-06-06 22:02:14,563 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 174 [2021-06-06 22:02:15,063 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-06 22:02:15,575 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 165 [2021-06-06 22:02:16,085 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-06 22:02:16,553 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 160 [2021-06-06 22:02:17,029 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 158 [2021-06-06 22:02:17,532 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 160 [2021-06-06 22:02:17,979 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-06 22:02:18,437 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 151 [2021-06-06 22:02:18,911 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-06 22:02:19,334 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-06 22:02:19,793 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2021-06-06 22:02:20,245 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-06 22:02:20,652 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-06 22:02:21,064 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 137 [2021-06-06 22:02:21,498 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-06 22:02:21,883 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-06 22:02:22,301 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 130 [2021-06-06 22:02:22,719 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-06 22:02:23,085 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-06 22:02:23,457 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2021-06-06 22:02:23,855 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-06 22:02:24,200 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-06 22:02:24,575 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-06-06 22:02:24,954 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-06 22:02:25,280 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-06 22:02:25,614 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-06 22:02:25,974 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-06 22:02:26,279 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-06 22:02:26,594 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2021-06-06 22:02:26,938 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-06 22:02:27,242 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-06 22:02:27,538 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-06-06 22:02:27,863 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-06 22:02:28,132 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-06 22:02:28,409 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-06-06 22:02:28,719 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-06 22:02:28,971 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 22:02:29,231 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 22:02:29,533 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 22:02:29,794 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-06-06 22:02:30,045 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-06 22:02:30,316 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-06-06 22:02:34,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:02:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:02:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:02:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:02:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:02:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:02:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:02:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:02:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:02:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 22:02:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-06-06 22:02:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-06-06 22:02:34,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-06 22:02:34,685 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:02:34,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:02:34,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1786405469, now seen corresponding path program 11 times [2021-06-06 22:02:34,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:02:34,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513637297] [2021-06-06 22:02:34,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:02:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:02:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 11464 backedges. 3748 proven. 7716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:02:42,000 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:02:42,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513637297] [2021-06-06 22:02:42,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513637297] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:02:42,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227355214] [2021-06-06 22:02:42,000 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:02:42,239 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s) [2021-06-06 22:02:42,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:02:42,258 WARN L261 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 601 conjunts are in the unsatisfiable core [2021-06-06 22:02:42,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:03:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 11464 backedges. 0 proven. 11464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:03:03,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227355214] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:03:03,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:03:03,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 156] total 283 [2021-06-06 22:03:03,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366365563] [2021-06-06 22:03:03,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 284 states [2021-06-06 22:03:03,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:03:03,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 284 interpolants. [2021-06-06 22:03:03,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9533, Invalid=70839, Unknown=0, NotChecked=0, Total=80372 [2021-06-06 22:03:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:03:03,828 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:03:03,829 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 284 states, 284 states have (on average 2.183098591549296) internal successors, (620), 283 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 22:03:03,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-06-06 22:03:03,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2021-06-06 22:03:03,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:03:23,309 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 217 [2021-06-06 22:03:24,247 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 203 [2021-06-06 22:03:25,079 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 196 [2021-06-06 22:03:25,889 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 189 [2021-06-06 22:03:26,664 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 182 [2021-06-06 22:03:27,404 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 175 [2021-06-06 22:03:28,128 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 168 [2021-06-06 22:03:28,807 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 161 [2021-06-06 22:03:29,457 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 154 [2021-06-06 22:03:30,077 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-06-06 22:03:30,679 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 140 [2021-06-06 22:03:31,241 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 133 [2021-06-06 22:03:31,778 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 126 [2021-06-06 22:03:32,292 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 119 [2021-06-06 22:03:32,788 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 112 [2021-06-06 22:03:33,279 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 105 [2021-06-06 22:03:33,725 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 98 [2021-06-06 22:03:34,136 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2021-06-06 22:03:34,523 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2021-06-06 22:03:34,919 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 77 [2021-06-06 22:03:56,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-06-06 22:03:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. [2021-06-06 22:03:57,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 22:03:57,068 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:03:57,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:03:57,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1365708255, now seen corresponding path program 12 times [2021-06-06 22:03:57,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:03:57,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039361880] [2021-06-06 22:03:57,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:03:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:04:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 30013 backedges. 0 proven. 30012 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:04:19,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:04:19,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039361880] [2021-06-06 22:04:19,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039361880] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:04:19,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102202369] [2021-06-06 22:04:19,409 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 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 [2021-06-06 22:04:20,534 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 65 check-sat command(s) [2021-06-06 22:04:20,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:04:20,550 WARN L261 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 989 conjunts are in the unsatisfiable core [2021-06-06 22:04:20,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:05:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 30013 backedges. 0 proven. 30013 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:05:19,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102202369] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:05:19,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:05:19,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [193, 253] total 443 [2021-06-06 22:05:19,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534905680] [2021-06-06 22:05:19,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 444 states [2021-06-06 22:05:19,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:05:19,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 444 interpolants. [2021-06-06 22:05:19,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10516, Invalid=186176, Unknown=0, NotChecked=0, Total=196692 [2021-06-06 22:05:19,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:05:19,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:05:19,421 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 444 states, 444 states have (on average 2.265765765765766) internal successors, (1006), 443 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:05:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:05:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:05:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:05:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:05:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:05:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:05:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:05:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:05:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:05:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 22:05:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-06-06 22:05:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2021-06-06 22:05:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 315 states. [2021-06-06 22:05:19,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:06:08,618 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 505 DAG size of output: 444 [2021-06-06 22:06:11,564 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 506 DAG size of output: 442 [2021-06-06 22:06:14,286 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 497 DAG size of output: 437 [2021-06-06 22:06:16,615 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 499 DAG size of output: 439 [2021-06-06 22:06:18,959 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 500 DAG size of output: 437 [2021-06-06 22:06:21,271 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 492 DAG size of output: 433 [2021-06-06 22:06:23,605 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 493 DAG size of output: 431 [2021-06-06 22:06:25,930 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 491 DAG size of output: 432 [2021-06-06 22:06:28,147 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 484 DAG size of output: 426 [2021-06-06 22:06:30,371 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 485 DAG size of output: 424 [2021-06-06 22:06:32,632 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 484 DAG size of output: 426 [2021-06-06 22:06:34,852 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 476 DAG size of output: 419 [2021-06-06 22:06:37,111 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 477 DAG size of output: 417 [2021-06-06 22:06:39,362 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 476 DAG size of output: 419 [2021-06-06 22:06:41,517 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 468 DAG size of output: 412 [2021-06-06 22:06:43,672 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 469 DAG size of output: 410 [2021-06-06 22:06:45,860 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 468 DAG size of output: 412 [2021-06-06 22:06:47,924 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 460 DAG size of output: 405 [2021-06-06 22:06:50,034 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 461 DAG size of output: 403 [2021-06-06 22:06:52,184 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 460 DAG size of output: 405 [2021-06-06 22:06:54,224 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 452 DAG size of output: 398 [2021-06-06 22:06:56,271 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 453 DAG size of output: 396 [2021-06-06 22:06:58,368 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 452 DAG size of output: 398 [2021-06-06 22:07:00,367 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 444 DAG size of output: 391 [2021-06-06 22:07:02,360 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 445 DAG size of output: 389 [2021-06-06 22:07:04,380 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 444 DAG size of output: 391 [2021-06-06 22:07:06,318 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 436 DAG size of output: 384 [2021-06-06 22:07:08,270 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 437 DAG size of output: 382 [2021-06-06 22:07:10,263 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 436 DAG size of output: 384 [2021-06-06 22:07:12,166 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 428 DAG size of output: 377 [2021-06-06 22:07:14,068 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 429 DAG size of output: 375 [2021-06-06 22:07:16,016 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 428 DAG size of output: 377 [2021-06-06 22:07:17,875 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 420 DAG size of output: 370 [2021-06-06 22:07:19,738 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 421 DAG size of output: 368 [2021-06-06 22:07:21,669 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 420 DAG size of output: 370 [2021-06-06 22:07:23,488 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 412 DAG size of output: 363 [2021-06-06 22:07:25,297 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 413 DAG size of output: 361 [2021-06-06 22:07:27,196 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 412 DAG size of output: 363 [2021-06-06 22:07:28,985 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 404 DAG size of output: 356 [2021-06-06 22:07:30,763 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 405 DAG size of output: 354 [2021-06-06 22:07:32,608 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 404 DAG size of output: 356 [2021-06-06 22:07:34,331 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 396 DAG size of output: 349 [2021-06-06 22:07:36,060 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 397 DAG size of output: 347 [2021-06-06 22:07:37,860 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 396 DAG size of output: 349 [2021-06-06 22:07:39,549 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 388 DAG size of output: 342 [2021-06-06 22:07:41,237 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 389 DAG size of output: 340 [2021-06-06 22:07:43,002 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 388 DAG size of output: 342 [2021-06-06 22:07:44,623 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 380 DAG size of output: 335 [2021-06-06 22:07:46,266 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 381 DAG size of output: 333 [2021-06-06 22:07:47,988 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 380 DAG size of output: 335 [2021-06-06 22:07:49,584 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 372 DAG size of output: 328 [2021-06-06 22:07:51,189 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 373 DAG size of output: 326 [2021-06-06 22:07:52,880 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 372 DAG size of output: 328 [2021-06-06 22:07:54,434 WARN L205 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 321 [2021-06-06 22:07:56,010 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 319 [2021-06-06 22:07:57,653 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 321 [2021-06-06 22:07:59,162 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 314 [2021-06-06 22:08:00,685 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 312 [2021-06-06 22:08:02,301 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 314 [2021-06-06 22:08:03,764 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 307 [2021-06-06 22:08:05,241 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 305 [2021-06-06 22:08:06,819 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 307 [2021-06-06 22:08:08,246 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 300 [2021-06-06 22:08:09,695 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 298 [2021-06-06 22:08:11,220 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 300 [2021-06-06 22:08:12,620 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 293 [2021-06-06 22:08:14,020 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 291 [2021-06-06 22:08:15,523 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 293 [2021-06-06 22:08:16,872 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 286 [2021-06-06 22:08:18,233 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 284 [2021-06-06 22:08:19,706 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 286 [2021-06-06 22:08:21,029 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 279 [2021-06-06 22:08:22,373 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 277 [2021-06-06 22:08:23,806 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 279 [2021-06-06 22:08:25,084 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 272 [2021-06-06 22:08:26,405 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 270 [2021-06-06 22:08:27,804 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 272 [2021-06-06 22:08:29,056 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 265 [2021-06-06 22:08:30,307 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 263 [2021-06-06 22:08:31,664 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 265 [2021-06-06 22:08:32,879 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 258 [2021-06-06 22:08:34,093 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 256 [2021-06-06 22:08:35,423 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 258 [2021-06-06 22:08:36,595 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 251 [2021-06-06 22:08:37,776 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 249 [2021-06-06 22:08:39,089 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 251 [2021-06-06 22:08:40,233 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-06-06 22:08:41,388 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 242 [2021-06-06 22:08:42,667 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-06-06 22:08:43,760 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 237 [2021-06-06 22:08:44,873 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 235 [2021-06-06 22:08:46,109 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 237 [2021-06-06 22:08:47,173 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 230 [2021-06-06 22:08:48,248 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 228 [2021-06-06 22:08:49,453 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 230 [2021-06-06 22:08:50,493 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 223 [2021-06-06 22:08:51,539 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 221 [2021-06-06 22:08:52,719 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 223 [2021-06-06 22:08:53,713 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 216 [2021-06-06 22:08:54,723 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 214 [2021-06-06 22:08:55,871 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 216 [2021-06-06 22:08:56,838 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 209 [2021-06-06 22:08:57,817 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 207 [2021-06-06 22:08:58,932 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 209 [2021-06-06 22:08:59,868 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2021-06-06 22:09:00,814 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 200 [2021-06-06 22:09:01,898 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2021-06-06 22:09:02,798 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 195 [2021-06-06 22:09:03,721 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 193 [2021-06-06 22:09:04,761 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 195 [2021-06-06 22:09:05,653 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-06-06 22:09:06,536 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 186 [2021-06-06 22:09:07,547 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-06-06 22:09:08,416 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 181 [2021-06-06 22:09:09,278 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 179 [2021-06-06 22:09:10,262 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 181 [2021-06-06 22:09:11,077 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 174 [2021-06-06 22:09:12,077 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 172 [2021-06-06 22:09:13,028 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 174 [2021-06-06 22:09:13,814 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-06 22:09:14,772 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 165 [2021-06-06 22:09:15,693 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-06 22:09:16,466 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 160 [2021-06-06 22:09:17,370 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 158 [2021-06-06 22:09:18,280 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 160 [2021-06-06 22:09:19,004 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-06 22:09:19,876 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 151 [2021-06-06 22:09:20,739 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-06 22:09:21,458 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-06 22:09:22,292 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2021-06-06 22:09:23,130 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-06 22:09:23,799 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-06 22:09:24,591 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 137 [2021-06-06 22:09:25,415 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-06 22:09:26,055 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-06 22:09:26,812 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 130 [2021-06-06 22:09:27,602 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-06 22:09:28,242 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-06 22:09:28,974 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2021-06-06 22:09:29,725 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-06 22:09:30,311 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-06 22:09:30,998 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-06-06 22:09:31,745 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-06 22:09:32,310 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-06 22:09:32,967 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-06 22:09:33,667 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-06 22:09:34,218 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-06 22:09:34,860 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2021-06-06 22:09:35,532 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-06 22:09:36,040 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-06 22:09:36,628 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-06-06 22:09:37,274 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-06 22:09:37,763 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-06 22:09:38,340 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-06-06 22:09:38,959 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-06 22:09:39,416 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 22:09:39,942 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 22:09:40,534 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 22:09:41,483 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-06 22:09:42,925 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2021-06-06 22:09:44,289 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-06-06 22:09:45,599 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2021-06-06 22:09:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:09:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:09:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:09:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:09:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:09:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:09:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:09:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:09:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:09:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 22:09:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-06-06 22:09:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-06-06 22:09:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. [2021-06-06 22:09:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. [2021-06-06 22:09:51,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 22:09:51,197 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:09:51,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:09:51,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1395999843, now seen corresponding path program 13 times [2021-06-06 22:09:51,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:09:51,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620168604] [2021-06-06 22:09:51,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:09:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:10:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 49480 backedges. 15684 proven. 33796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:10:16,826 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:10:16,826 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620168604] [2021-06-06 22:10:16,826 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620168604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:10:16,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119413784] [2021-06-06 22:10:16,827 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 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 [2021-06-06 22:10:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:10:17,216 WARN L261 TraceCheckSpWp]: Trace formula consists of 1568 conjuncts, 1241 conjunts are in the unsatisfiable core [2021-06-06 22:10:17,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:11:41,725 INFO L134 CoverageAnalysis]: Checked inductivity of 49480 backedges. 0 proven. 49480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:11:41,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119413784] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:11:41,725 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:11:41,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [257, 316] total 571 [2021-06-06 22:11:41,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358522940] [2021-06-06 22:11:41,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 572 states [2021-06-06 22:11:41,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:11:41,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 572 interpolants. [2021-06-06 22:11:41,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38509, Invalid=288103, Unknown=0, NotChecked=0, Total=326612 [2021-06-06 22:11:41,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:11:41,743 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:11:41,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 572 states, 572 states have (on average 2.202797202797203) internal successors, (1260), 571 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 315 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 319 states. [2021-06-06 22:11:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:12:50,251 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 563 DAG size of output: 441 [2021-06-06 22:12:53,329 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 547 DAG size of output: 427 Received shutdown request... [2021-06-06 22:12:55,870 WARN L222 SmtUtils]: Removed 41 from assertion stack [2021-06-06 22:12:56,071 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:12:56,071 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-06 22:12:56,083 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 22:12:56,092 WARN L196 ceAbstractionStarter]: Timeout [2021-06-06 22:12:56,092 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 10:12:56 BasicIcfg [2021-06-06 22:12:56,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 22:12:56,093 INFO L168 Benchmark]: Toolchain (without parser) took 742671.96 ms. Allocated memory was 343.9 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 323.6 MB in the beginning and 903.4 MB in the end (delta: -579.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. [2021-06-06 22:12:56,093 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory was 324.7 MB in the beginning and 324.7 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 22:12:56,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.40 ms. Allocated memory is still 343.9 MB. Free memory was 323.5 MB in the beginning and 322.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 22:12:56,093 INFO L168 Benchmark]: Boogie Preprocessor took 16.45 ms. Allocated memory is still 343.9 MB. Free memory was 322.1 MB in the beginning and 321.2 MB in the end (delta: 971.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 22:12:56,093 INFO L168 Benchmark]: RCFGBuilder took 258.44 ms. Allocated memory is still 343.9 MB. Free memory was 321.2 MB in the beginning and 309.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-06 22:12:56,093 INFO L168 Benchmark]: TraceAbstraction took 742367.13 ms. Allocated memory was 343.9 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 309.4 MB in the beginning and 903.4 MB in the end (delta: -593.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. [2021-06-06 22:12:56,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory was 324.7 MB in the beginning and 324.7 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.40 ms. Allocated memory is still 343.9 MB. Free memory was 323.5 MB in the beginning and 322.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.45 ms. Allocated memory is still 343.9 MB. Free memory was 322.1 MB in the beginning and 321.2 MB in the end (delta: 971.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 258.44 ms. Allocated memory is still 343.9 MB. Free memory was 321.2 MB in the beginning and 309.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 742367.13 ms. Allocated memory was 343.9 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 309.4 MB in the beginning and 903.4 MB in the end (delta: -593.9 MB). Peak memory consumption was 1.1 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: 5096, positive: 3760, positive conditional: 3760, positive unconditional: 0, negative: 1336, negative conditional: 1336, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3797, positive: 3760, positive conditional: 3760, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3797, positive: 2853, positive conditional: 0, positive unconditional: 2853, negative: 944, negative conditional: 0, negative unconditional: 944, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3797, positive: 2830, positive conditional: 0, positive unconditional: 2830, negative: 943, negative conditional: 0, negative unconditional: 943, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6094, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 5187, negative conditional: 5187, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 147, negative conditional: 95, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6094, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 99, unknown conditional: 99, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 90, Positive conditional cache size: 67, Positive unconditional cache size: 23, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 15, Independence queries for same thread: 1299 - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 538 for 1027ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 742211.9ms, OverallIterations: 15, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 474049.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1521, 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: 208.0ms SsaConstructionTime, 5474.3ms SatisfiabilityAnalysisTime, 259106.8ms InterpolantComputationTime, 4490 NumberOfCodeBlocks, 4490 NumberOfCodeBlocksAsserted, 211 NumberOfCheckSat, 4462 ConstructedInterpolants, 0 QuantifiedInterpolants, 85471 SizeOfPredicates, 65 NumberOfNonLiveVariables, 5449 ConjunctsInSsa, 4181 ConjunctsInUnsatCore, 28 InterpolantComputations, 2 PerfectInterpolantSequences, 20515/204871 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