/usr/bin/java -Xmx8000000000 -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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 14:10:34,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 14:10:34,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 14:10:34,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 14:10:34,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 14:10:34,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 14:10:34,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 14:10:34,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 14:10:34,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 14:10:34,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 14:10:34,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 14:10:34,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 14:10:34,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 14:10:34,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 14:10:34,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 14:10:34,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 14:10:34,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 14:10:34,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 14:10:34,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 14:10:34,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 14:10:34,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 14:10:34,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 14:10:34,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 14:10:34,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 14:10:34,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 14:10:34,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 14:10:34,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 14:10:34,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 14:10:34,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 14:10:34,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 14:10:34,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 14:10:34,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 14:10:34,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 14:10:34,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 14:10:34,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 14:10:34,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 14:10:34,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 14:10:34,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 14:10:34,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 14:10:34,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 14:10:34,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 14:10:34,646 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-10 14:10:34,708 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 14:10:34,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 14:10:34,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 14:10:34,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 14:10:34,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 14:10:34,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 14:10:34,709 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 14:10:34,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 14:10:34,709 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 14:10:34,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 14:10:34,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 14:10:34,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 14:10:34,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 14:10:34,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 14:10:34,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 14:10:34,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 14:10:34,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 14:10:34,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 14:10:34,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 14:10:34,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 14:10:34,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 14:10:34,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 14:10:34,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 14:10:34,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:10:34,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 14:10:34,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 14:10:34,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 14:10:34,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 14:10:34,711 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 14:10:34,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 14:10:34,712 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 14:10:34,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 14:10:34,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 14:10:34,712 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 14:10:34,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 14:10:34,712 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 14:10:35,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 14:10:35,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 14:10:35,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 14:10:35,036 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 14:10:35,036 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 14:10:35,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl [2021-07-10 14:10:35,037 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl' [2021-07-10 14:10:35,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 14:10:35,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 14:10:35,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 14:10:35,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 14:10:35,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 14:10:35,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:10:35" (1/1) ... [2021-07-10 14:10:35,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:10:35" (1/1) ... [2021-07-10 14:10:35,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 14:10:35,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 14:10:35,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 14:10:35,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 14:10:35,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:10:35" (1/1) ... [2021-07-10 14:10:35,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:10:35" (1/1) ... [2021-07-10 14:10:35,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:10:35" (1/1) ... [2021-07-10 14:10:35,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:10:35" (1/1) ... [2021-07-10 14:10:35,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:10:35" (1/1) ... [2021-07-10 14:10:35,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:10:35" (1/1) ... [2021-07-10 14:10:35,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:10:35" (1/1) ... [2021-07-10 14:10:35,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 14:10:35,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 14:10:35,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 14:10:35,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 14:10:35,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:10:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:10:35,244 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 14:10:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 14:10:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 14:10:35,244 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 14:10:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 14:10:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 14:10:35,245 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 14:10:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 14:10:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 14:10:35,252 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 14:10:35,532 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 14:10:35,532 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 14:10:35,547 INFO L202 PluginConnector]: Adding new model dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:10:35 BoogieIcfgContainer [2021-07-10 14:10:35,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 14:10:35,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 14:10:35,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 14:10:35,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 14:10:35,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:10:35" (1/2) ... [2021-07-10 14:10:35,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b684013 and model type dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:10:35, skipping insertion in model container [2021-07-10 14:10:35,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:10:35" (2/2) ... [2021-07-10 14:10:35,553 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq.wvr.bpl [2021-07-10 14:10:35,557 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 14:10:35,557 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 14:10:35,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 14:10:35,558 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 14:10:35,617 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 14:10:35,646 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 [2021-07-10 14:10:35,716 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 14:10:35,716 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 14:10:35,716 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 14:10:35,716 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 14:10:35,717 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 14:10:35,717 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 14:10:35,717 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 14:10:35,717 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 14:10:35,852 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:10:35,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:10:35,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1769880548, now seen corresponding path program 1 times [2021-07-10 14:10:35,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:10:35,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222238701] [2021-07-10 14:10:35,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:10:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:10:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:10:36,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:10:36,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222238701] [2021-07-10 14:10:36,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222238701] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:10:36,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:10:36,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 14:10:36,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957718654] [2021-07-10 14:10:36,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 14:10:36,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:10:36,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 14:10:36,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-10 14:10:36,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:36,066 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:10:36,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-07-10 14:10:36,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:36,090 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 14:10:36,090 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:10:36,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:10:36,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1050961691, now seen corresponding path program 1 times [2021-07-10 14:10:36,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:10:36,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782348346] [2021-07-10 14:10:36,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:10:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:10:36,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:10:36,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:10:36,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782348346] [2021-07-10 14:10:36,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782348346] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:10:36,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:10:36,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 14:10:36,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808434208] [2021-07-10 14:10:36,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:10:36,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:10:36,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:10:36,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:10:36,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:36,127 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:10:36,127 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:10:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:36,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:36,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:10:36,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 14:10:36,209 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:10:36,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:10:36,210 INFO L82 PathProgramCache]: Analyzing trace with hash -461582748, now seen corresponding path program 1 times [2021-07-10 14:10:36,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:10:36,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638281947] [2021-07-10 14:10:36,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:10:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:10:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:10:36,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:10:36,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638281947] [2021-07-10 14:10:36,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638281947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:10:36,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811377042] [2021-07-10 14:10:36,304 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 [2021-07-10 14:10:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:10:36,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-10 14:10:36,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:10:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 14:10:36,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811377042] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:10:36,473 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 14:10:36,473 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-07-10 14:10:36,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489926822] [2021-07-10 14:10:36,474 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 14:10:36,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:10:36,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 14:10:36,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-10 14:10:36,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:36,475 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:10:36,475 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:10:36,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:36,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:10:36,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:36,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:10:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:36,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:10:36,727 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:10:36,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:10:36,728 INFO L82 PathProgramCache]: Analyzing trace with hash -361392858, now seen corresponding path program 2 times [2021-07-10 14:10:36,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:10:36,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373412903] [2021-07-10 14:10:36,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:10:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:10:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:10:36,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:10:36,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373412903] [2021-07-10 14:10:36,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373412903] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:10:36,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090912050] [2021-07-10 14:10:36,942 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 [2021-07-10 14:10:36,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:10:36,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:10:36,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 14:10:36,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:10:37,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-10 14:10:37,096 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:10:37,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:10:37,100 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:10:37,100 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-10 14:10:37,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 14:10:37,124 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:10:37,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:10:37,131 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:10:37,131 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-10 14:10:37,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:10:37,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090912050] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:10:37,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:10:37,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2021-07-10 14:10:37,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184202876] [2021-07-10 14:10:37,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 14:10:37,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:10:37,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 14:10:37,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-07-10 14:10:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:37,168 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:10:37,168 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 13 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) [2021-07-10 14:10:37,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:37,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:10:37,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:37,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:10:37,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:37,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:10:37,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:10:37,579 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:10:37,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:10:37,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1961362009, now seen corresponding path program 3 times [2021-07-10 14:10:37,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:10:37,580 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125758732] [2021-07-10 14:10:37,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:10:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:10:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:10:38,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:10:38,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125758732] [2021-07-10 14:10:38,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125758732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:10:38,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715197869] [2021-07-10 14:10:38,068 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 [2021-07-10 14:10:38,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 14:10:38,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:10:38,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-10 14:10:38,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:10:38,680 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:10:38,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2021-07-10 14:10:38,686 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:10:38,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:10:38,705 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 14:10:38,705 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:26 [2021-07-10 14:10:38,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:10:38,807 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:10:38,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 28 [2021-07-10 14:10:38,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 14:10:38,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:10:38,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:10:38,851 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:39, output treesize:21 [2021-07-10 14:10:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:10:38,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715197869] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:10:38,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:10:38,938 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 23 [2021-07-10 14:10:38,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398674352] [2021-07-10 14:10:38,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 14:10:38,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:10:38,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 14:10:38,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-07-10 14:10:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:38,940 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:10:38,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 23 states have internal predecessors, (55), 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) [2021-07-10 14:10:38,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:38,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:10:38,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:38,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:10:38,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:40,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:40,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:10:40,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:40,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:10:40,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:10:40,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:10:40,789 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:10:40,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:10:40,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1617294676, now seen corresponding path program 4 times [2021-07-10 14:10:40,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:10:40,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719471910] [2021-07-10 14:10:40,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:10:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:10:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:10:41,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:10:41,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719471910] [2021-07-10 14:10:41,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719471910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:10:41,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021190413] [2021-07-10 14:10:41,209 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 [2021-07-10 14:10:41,246 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:10:41,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:10:41,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-10 14:10:41,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:10:41,585 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-07-10 14:10:42,229 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2021-07-10 14:10:42,332 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:10:42,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 52 [2021-07-10 14:10:42,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:10:42,383 INFO L628 ElimStorePlain]: treesize reduction 47, result has 60.8 percent of original size [2021-07-10 14:10:42,389 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 14:10:42,390 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:60, output treesize:41 [2021-07-10 14:10:42,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:10:42,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:10:42,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:10:42,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:10:42,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:10:42,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:10:42,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:10:42,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:10:42,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2021-07-10 14:10:42,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:10:42,446 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:10:42,451 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:10:42,451 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:46, output treesize:5 [2021-07-10 14:10:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:10:42,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021190413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:10:42,519 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:10:42,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 34 [2021-07-10 14:10:42,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591070298] [2021-07-10 14:10:42,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 14:10:42,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:10:42,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 14:10:42,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1005, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 14:10:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:42,520 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:10:42,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.9428571428571428) internal successors, (68), 34 states have internal predecessors, (68), 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) [2021-07-10 14:10:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:10:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:10:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:10:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:10:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:10:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:10:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:10:44,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 14:10:44,544 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:10:44,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:10:44,545 INFO L82 PathProgramCache]: Analyzing trace with hash -137812665, now seen corresponding path program 5 times [2021-07-10 14:10:44,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:10:44,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543711089] [2021-07-10 14:10:44,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:10:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:10:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-07-10 14:10:44,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:10:44,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543711089] [2021-07-10 14:10:44,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543711089] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:10:44,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567323282] [2021-07-10 14:10:44,618 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 [2021-07-10 14:10:44,698 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-10 14:10:44,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:10:44,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 14:10:44,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:10:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 108 proven. 9 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-07-10 14:10:44,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567323282] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:10:44,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:10:44,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-07-10 14:10:44,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491261870] [2021-07-10 14:10:44,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 14:10:44,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:10:44,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 14:10:44,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-10 14:10:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:44,892 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:10:44,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-07-10 14:10:44,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:44,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:10:44,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:44,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:10:44,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:10:44,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:10:44,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:10:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:10:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:10:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:10:46,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:10:46,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:10:46,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:10:46,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:10:46,321 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 14:10:46,322 INFO L202 PluginConnector]: Adding new model dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:10:46 BasicIcfg [2021-07-10 14:10:46,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 14:10:46,322 INFO L168 Benchmark]: Toolchain (without parser) took 11262.95 ms. Allocated memory was 179.3 MB in the beginning and 281.0 MB in the end (delta: 101.7 MB). Free memory was 159.5 MB in the beginning and 167.5 MB in the end (delta: -8.0 MB). Peak memory consumption was 92.7 MB. Max. memory is 8.0 GB. [2021-07-10 14:10:46,323 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 179.3 MB. Free memory is still 160.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:10:46,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.29 ms. Allocated memory is still 179.3 MB. Free memory was 159.5 MB in the beginning and 158.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 14:10:46,323 INFO L168 Benchmark]: Boogie Preprocessor took 24.12 ms. Allocated memory is still 179.3 MB. Free memory was 158.0 MB in the beginning and 157.1 MB in the end (delta: 921.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 14:10:46,323 INFO L168 Benchmark]: RCFGBuilder took 422.86 ms. Allocated memory is still 179.3 MB. Free memory was 157.0 MB in the beginning and 144.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-10 14:10:46,323 INFO L168 Benchmark]: TraceAbstraction took 10773.02 ms. Allocated memory was 179.3 MB in the beginning and 281.0 MB in the end (delta: 101.7 MB). Free memory was 143.5 MB in the beginning and 167.5 MB in the end (delta: -24.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 8.0 GB. [2021-07-10 14:10:46,323 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 0.10 ms. Allocated memory is still 179.3 MB. Free memory is still 160.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.29 ms. Allocated memory is still 179.3 MB. Free memory was 159.5 MB in the beginning and 158.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.12 ms. Allocated memory is still 179.3 MB. Free memory was 158.0 MB in the beginning and 157.1 MB in the end (delta: 921.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 422.86 ms. Allocated memory is still 179.3 MB. Free memory was 157.0 MB in the beginning and 144.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10773.02 ms. Allocated memory was 179.3 MB in the beginning and 281.0 MB in the end (delta: 101.7 MB). Free memory was 143.5 MB in the beginning and 167.5 MB in the end (delta: -24.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2113, positive: 1625, positive conditional: 1290, positive unconditional: 335, negative: 488, negative conditional: 476, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1691, positive: 1625, positive conditional: 1290, positive unconditional: 335, negative: 66, negative conditional: 54, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1691, positive: 1553, positive conditional: 0, positive unconditional: 1553, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 187, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 187, positive: 177, positive conditional: 0, positive unconditional: 177, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1691, positive: 1371, positive conditional: 0, positive unconditional: 1371, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 187, unknown conditional: 0, unknown unconditional: 187] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464 ], Maximal queried relation: 7, Independence queries for same thread: 422 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 110, Number of persistent set computation: 57, Number of trivial persistent sets: 29, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2113, positive: 1625, positive conditional: 1290, positive unconditional: 335, negative: 488, negative conditional: 476, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1691, positive: 1625, positive conditional: 1290, positive unconditional: 335, negative: 66, negative conditional: 54, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1691, positive: 1553, positive conditional: 0, positive unconditional: 1553, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 187, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 187, positive: 177, positive conditional: 0, positive unconditional: 177, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1691, positive: 1371, positive conditional: 0, positive unconditional: 1371, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 187, unknown conditional: 0, unknown unconditional: 187] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 749, negative conditional: 261, negative unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 24, positive conditional: 19, positive unconditional: 5, negative: 65, negative conditional: 60, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 104, positive conditional: 48, positive unconditional: 56, negative: 180, negative conditional: 159, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 821, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 689, negative conditional: 201, negative unconditional: 488, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 65, Negative conditional cache size: 60, Negative unconditional cache size: 5, Eliminated conditions: 464 ], Maximal queried relation: 7, Independence queries for same thread: 422 - PositiveResult [Line: 62]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10662.2ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.7ms, PartialOrderReductionTime: 5105.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 99, 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: 73.9ms SsaConstructionTime, 223.8ms SatisfiabilityAnalysisTime, 3830.1ms InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 420 ConstructedInterpolants, 26 QuantifiedInterpolants, 2859 SizeOfPredicates, 34 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 388/485 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...