/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 05:47:22,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 05:47:22,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 05:47:22,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 05:47:22,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 05:47:22,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 05:47:22,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 05:47:22,631 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-None-NoLbe.epf [2021-06-13 05:47:22,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 05:47:22,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 05:47:22,667 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 05:47:22,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 05:47:22,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 05:47:22,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 05:47:22,669 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 05:47:22,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 05:47:22,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 05:47:22,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 05:47:22,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 05:47:22,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 05:47:22,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 05:47:22,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 05:47:22,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 05:47:22,672 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 05:47:22,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 05:47:22,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 05:47:22,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 05:47:22,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 05:47:22,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 05:47:22,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 05:47:22,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 05:47:22,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 05:47:22,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 05:47:22,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 05:47:22,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 05:47:22,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 05:47:22,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 05:47:22,674 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 05:47:22,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 05:47:22,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 05:47:22,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 05:47:22,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 05:47:23,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 05:47:23,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 05:47:23,022 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 05:47:23,023 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 05:47:23,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl [2021-06-13 05:47:23,024 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl' [2021-06-13 05:47:23,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 05:47:23,063 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 05:47:23,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 05:47:23,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 05:47:23,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 05:47:23,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:47:23" (1/1) ... [2021-06-13 05:47:23,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:47:23" (1/1) ... [2021-06-13 05:47:23,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 05:47:23,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 05:47:23,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 05:47:23,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 05:47:23,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:47:23" (1/1) ... [2021-06-13 05:47:23,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:47:23" (1/1) ... [2021-06-13 05:47:23,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:47:23" (1/1) ... [2021-06-13 05:47:23,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:47:23" (1/1) ... [2021-06-13 05:47:23,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:47:23" (1/1) ... [2021-06-13 05:47:23,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:47:23" (1/1) ... [2021-06-13 05:47:23,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:47:23" (1/1) ... [2021-06-13 05:47:23,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 05:47:23,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 05:47:23,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 05:47:23,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 05:47:23,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:47:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 05:47:23,167 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 05:47:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 05:47:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 05:47:23,168 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 05:47:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 05:47:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 05:47:23,168 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 05:47:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 05:47:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 05:47:23,169 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 05:47:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 05:47:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 05:47:23,170 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 05:47:23,348 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 05:47:23,349 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 05:47:23,350 INFO L202 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:47:23 BoogieIcfgContainer [2021-06-13 05:47:23,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 05:47:23,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 05:47:23,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 05:47:23,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 05:47:23,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:47:23" (1/2) ... [2021-06-13 05:47:23,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b78890 and model type min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 05:47:23, skipping insertion in model container [2021-06-13 05:47:23,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:47:23" (2/2) ... [2021-06-13 05:47:23,362 INFO L111 eAbstractionObserver]: Analyzing ICFG min-le-max.wvr.bpl [2021-06-13 05:47:23,367 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 05:47:23,368 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 05:47:23,368 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 05:47:23,368 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 05:47:23,450 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-13 05:47:23,467 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 05:47:23,527 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 05:47:23,527 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 05:47:23,527 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 05:47:23,527 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 05:47:23,527 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 05:47:23,527 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 05:47:23,527 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 05:47:23,527 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 05:47:23,539 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 26 transitions, 76 flow [2021-06-13 05:47:23,564 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 130 states, 128 states have (on average 2.6328125) internal successors, (337), 129 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:47:23,574 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:47:23,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:47:23,582 INFO L82 PathProgramCache]: Analyzing trace with hash -394646600, now seen corresponding path program 1 times [2021-06-13 05:47:23,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:47:23,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611650897] [2021-06-13 05:47:23,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:47:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:47:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:47:23,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:47:23,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611650897] [2021-06-13 05:47:23,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611650897] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:47:23,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115632511] [2021-06-13 05:47:23,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:47:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:47:23,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-13 05:47:23,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:47:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:47:23,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115632511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:47:23,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:47:23,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-13 05:47:23,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26596989] [2021-06-13 05:47:23,995 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 05:47:23,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:47:24,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 05:47:24,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-13 05:47:24,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:47:24,007 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:47:24,008 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:47:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:47:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:47:24,323 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-13 05:47:24,324 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:47:24,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:47:24,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1939036093, now seen corresponding path program 2 times [2021-06-13 05:47:24,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:47:24,325 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137128728] [2021-06-13 05:47:24,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:47:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:47:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:47:24,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:47:24,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137128728] [2021-06-13 05:47:24,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137128728] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:47:24,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771360954] [2021-06-13 05:47:24,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:47:24,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 05:47:24,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:47:24,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-13 05:47:24,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:47:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 05:47:24,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771360954] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:47:24,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:47:24,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-06-13 05:47:24,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974840428] [2021-06-13 05:47:24,632 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-13 05:47:24,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:47:24,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-13 05:47:24,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-13 05:47:24,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:47:24,633 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:47:24,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:47:24,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:47:24,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:47:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:47:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 05:47:24,928 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:47:24,929 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:47:24,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:47:24,930 INFO L82 PathProgramCache]: Analyzing trace with hash 860071425, now seen corresponding path program 3 times [2021-06-13 05:47:24,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:47:24,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721070935] [2021-06-13 05:47:24,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:47:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:47:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:47:25,062 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:47:25,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721070935] [2021-06-13 05:47:25,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721070935] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:47:25,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843258670] [2021-06-13 05:47:25,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:47:25,105 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-13 05:47:25,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:47:25,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-13 05:47:25,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:47:25,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:47:25,697 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:47:25,698 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 18 treesize of output 28 [2021-06-13 05:47:25,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-13 05:47:25,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:47:25,745 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:47:25,745 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 [2021-06-13 05:47:25,782 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-13 05:47:25,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:47:25,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-13 05:47:25,826 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:55, output treesize:44 [2021-06-13 05:47:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-06-13 05:47:26,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843258670] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:47:26,061 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:47:26,061 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2021-06-13 05:47:26,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507455113] [2021-06-13 05:47:26,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-13 05:47:26,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:47:26,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-13 05:47:26,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2021-06-13 05:47:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:47:26,064 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:47:26,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 24 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:47:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:47:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 05:47:26,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:47:28,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:47:28,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 05:47:28,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-13 05:47:28,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:47:28,317 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:47:28,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:47:28,318 INFO L82 PathProgramCache]: Analyzing trace with hash -250292188, now seen corresponding path program 4 times [2021-06-13 05:47:28,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:47:28,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930000174] [2021-06-13 05:47:28,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:47:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:47:29,052 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-06-13 05:47:29,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:47:29,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930000174] [2021-06-13 05:47:29,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930000174] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:47:29,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451260057] [2021-06-13 05:47:29,053 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:47:29,103 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 05:47:29,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:47:29,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-13 05:47:29,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:47:29,471 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:47:29,471 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 16 treesize of output 18 [2021-06-13 05:47:29,480 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-13 05:47:29,507 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-13 05:47:29,507 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 18 treesize of output 10 [2021-06-13 05:47:29,509 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-13 05:47:29,516 INFO L628 ElimStorePlain]: treesize reduction 12, result has 20.0 percent of original size [2021-06-13 05:47:29,517 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 05:47:29,517 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:3 [2021-06-13 05:47:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-06-13 05:47:29,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451260057] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:47:29,535 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:47:29,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 12 [2021-06-13 05:47:29,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370465933] [2021-06-13 05:47:29,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-13 05:47:29,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:47:29,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-13 05:47:29,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-06-13 05:47:29,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:47:29,537 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:47:29,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:47:29,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:47:29,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 05:47:29,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-13 05:47:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:47:30,268 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2021-06-13 05:47:33,092 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2021-06-13 05:47:33,783 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2021-06-13 05:47:34,599 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2021-06-13 05:47:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 05:47:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 05:47:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-13 05:47:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 05:47:37,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-13 05:47:37,358 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 05:47:37,360 INFO L202 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 05:47:37 BasicIcfg [2021-06-13 05:47:37,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 05:47:37,361 INFO L168 Benchmark]: Toolchain (without parser) took 14297.98 ms. Allocated memory was 127.9 MB in the beginning and 381.7 MB in the end (delta: 253.8 MB). Free memory was 107.2 MB in the beginning and 192.2 MB in the end (delta: -85.0 MB). Peak memory consumption was 169.3 MB. Max. memory is 8.0 GB. [2021-06-13 05:47:37,361 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 127.9 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 05:47:37,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.19 ms. Allocated memory is still 127.9 MB. Free memory was 106.9 MB in the beginning and 105.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 05:47:37,362 INFO L168 Benchmark]: Boogie Preprocessor took 16.89 ms. Allocated memory is still 127.9 MB. Free memory was 105.6 MB in the beginning and 104.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 05:47:37,362 INFO L168 Benchmark]: RCFGBuilder took 242.11 ms. Allocated memory is still 127.9 MB. Free memory was 104.6 MB in the beginning and 93.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-13 05:47:37,362 INFO L168 Benchmark]: TraceAbstraction took 14008.97 ms. Allocated memory was 127.9 MB in the beginning and 381.7 MB in the end (delta: 253.8 MB). Free memory was 93.3 MB in the beginning and 192.2 MB in the end (delta: -98.9 MB). Peak memory consumption was 155.7 MB. Max. memory is 8.0 GB. [2021-06-13 05:47:37,363 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 0.11 ms. Allocated memory is still 127.9 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.19 ms. Allocated memory is still 127.9 MB. Free memory was 106.9 MB in the beginning and 105.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.89 ms. Allocated memory is still 127.9 MB. Free memory was 105.6 MB in the beginning and 104.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 242.11 ms. Allocated memory is still 127.9 MB. Free memory was 104.6 MB in the beginning and 93.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14008.97 ms. Allocated memory was 127.9 MB in the beginning and 381.7 MB in the end (delta: 253.8 MB). Free memory was 93.3 MB in the beginning and 192.2 MB in the end (delta: -98.9 MB). Peak memory consumption was 155.7 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - PositiveResult [Line: 52]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13876.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36.9ms, PartialOrderReductionTime: 9822.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=0, InterpolantAutomatonStates: 171, 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: 43.3ms SsaConstructionTime, 248.3ms SatisfiabilityAnalysisTime, 2575.5ms InterpolantComputationTime, 288 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 280 ConstructedInterpolants, 9 QuantifiedInterpolants, 1828 SizeOfPredicates, 19 NumberOfNonLiveVariables, 302 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 8 InterpolantComputations, 0 PerfectInterpolantSequences, 164/320 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...