/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/vector-add.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 14:14:09,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 14:14:09,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 14:14:09,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 14:14:09,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 14:14:09,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 14:14:09,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 14:14:09,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 14:14:09,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 14:14:09,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 14:14:09,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 14:14:09,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 14:14:09,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 14:14:09,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 14:14:09,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 14:14:09,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 14:14:09,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 14:14:09,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 14:14:09,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 14:14:09,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 14:14:09,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 14:14:09,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 14:14:09,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 14:14:09,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 14:14:09,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 14:14:09,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 14:14:09,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 14:14:09,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 14:14:09,504 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 [2021-06-17 14:14:09,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 14:14:09,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 14:14:09,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 14:14:09,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 14:14:09,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 14:14:09,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 14:14:09,532 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 14:14:09,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 14:14:09,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 14:14:09,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 14:14:09,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 14:14:09,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 14:14:09,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 14:14:09,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 14:14:09,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 14:14:09,533 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 14:14:09,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 14:14:09,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 14:14:09,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 14:14:09,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 14:14:09,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 14:14:09,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 14:14:09,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 14:14:09,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 14:14:09,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 14:14:09,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 14:14:09,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 14:14:09,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 14:14:09,535 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 14:14:09,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 14:14:09,535 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 14:14:09,535 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 14:14:09,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 14:14:09,536 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 14:14:09,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 14:14:09,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 14:14:09,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 14:14:09,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 14:14:09,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 14:14:09,815 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 14:14:09,817 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 14:14:09,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl [2021-06-17 14:14:09,818 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl' [2021-06-17 14:14:09,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 14:14:09,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 14:14:09,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 14:14:09,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 14:14:09,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 14:14:09,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 02:14:09" (1/1) ... [2021-06-17 14:14:09,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 02:14:09" (1/1) ... [2021-06-17 14:14:09,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 14:14:09,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 14:14:09,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 14:14:09,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 14:14:09,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 02:14:09" (1/1) ... [2021-06-17 14:14:09,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 02:14:09" (1/1) ... [2021-06-17 14:14:09,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 02:14:09" (1/1) ... [2021-06-17 14:14:09,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 02:14:09" (1/1) ... [2021-06-17 14:14:09,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 02:14:09" (1/1) ... [2021-06-17 14:14:09,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 02:14:09" (1/1) ... [2021-06-17 14:14:09,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 02:14:09" (1/1) ... [2021-06-17 14:14:09,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 14:14:09,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 14:14:09,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 14:14:09,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 14:14:09,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 02:14:09" (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 [2021-06-17 14:14:09,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 14:14:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 14:14:09,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 14:14:09,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 14:14:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 14:14:09,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 14:14:09,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 14:14:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 14:14:09,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 14:14:09,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 14:14:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 14:14:09,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 14:14:09,949 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 14:14:10,147 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 14:14:10,147 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 14:14:10,165 INFO L202 PluginConnector]: Adding new model vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 02:14:10 BoogieIcfgContainer [2021-06-17 14:14:10,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 14:14:10,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 14:14:10,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 14:14:10,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 14:14:10,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 02:14:09" (1/2) ... [2021-06-17 14:14:10,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f43d27 and model type vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 02:14:10, skipping insertion in model container [2021-06-17 14:14:10,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 02:14:10" (2/2) ... [2021-06-17 14:14:10,170 INFO L111 eAbstractionObserver]: Analyzing ICFG vector-add.wvr.bpl [2021-06-17 14:14:10,174 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 14:14:10,174 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 14:14:10,174 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 14:14:10,174 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 14:14:10,223 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 14:14:10,241 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 [2021-06-17 14:14:10,293 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 14:14:10,293 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 14:14:10,293 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 14:14:10,293 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 14:14:10,293 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 14:14:10,294 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 14:14:10,294 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 14:14:10,294 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 14:14:10,386 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 14:14:10,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 14:14:10,390 INFO L82 PathProgramCache]: Analyzing trace with hash 2036266028, now seen corresponding path program 1 times [2021-06-17 14:14:10,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 14:14:10,396 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120985602] [2021-06-17 14:14:10,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 14:14:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 14:14:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 14:14:10,812 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 14:14:10,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120985602] [2021-06-17 14:14:10,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120985602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 14:14:10,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073673443] [2021-06-17 14:14:10,813 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 [2021-06-17 14:14:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 14:14:10,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 14:14:10,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 14:14:10,995 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 25 treesize of output 21 [2021-06-17 14:14:10,998 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-17 14:14:11,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 14:14:11,006 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 21 treesize of output 17 [2021-06-17 14:14:11,009 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-17 14:14:11,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 14:14:11,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-06-17 14:14:11,022 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 14:14:11,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 14:14:11,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 14:14:11,032 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:33, output treesize:3 [2021-06-17 14:14:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 14:14:11,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073673443] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 14:14:11,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 14:14:11,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 14:14:11,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101403211] [2021-06-17 14:14:11,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 14:14:11,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 14:14:11,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 14:14:11,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-06-17 14:14:11,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 14:14:11,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 14:14:11,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 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) [2021-06-17 14:14:11,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 14:14:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 14:14:11,489 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-17 14:14:11,489 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 14:14:11,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 14:14:11,490 INFO L82 PathProgramCache]: Analyzing trace with hash -371811570, now seen corresponding path program 2 times [2021-06-17 14:14:11,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 14:14:11,490 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122237360] [2021-06-17 14:14:11,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 14:14:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 14:14:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 14:14:11,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 14:14:11,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122237360] [2021-06-17 14:14:11,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122237360] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 14:14:11,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226887234] [2021-06-17 14:14:11,547 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 [2021-06-17 14:14:11,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 14:14:11,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 14:14:11,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 14:14:11,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 14:14:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 14:14:11,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226887234] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 14:14:11,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 14:14:11,665 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-06-17 14:14:11,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132945537] [2021-06-17 14:14:11,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 14:14:11,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 14:14:11,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 14:14:11,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-06-17 14:14:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 14:14:11,667 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 14:14:11,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 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) [2021-06-17 14:14:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 14:14:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 14:14:11,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 14:14:11,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 14:14:12,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 14:14:12,017 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 14:14:12,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 14:14:12,017 INFO L82 PathProgramCache]: Analyzing trace with hash 864128684, now seen corresponding path program 3 times [2021-06-17 14:14:12,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 14:14:12,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989214249] [2021-06-17 14:14:12,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 14:14:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 14:14:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 14:14:12,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 14:14:12,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989214249] [2021-06-17 14:14:12,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989214249] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 14:14:12,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219062482] [2021-06-17 14:14:12,283 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 [2021-06-17 14:14:12,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 14:14:12,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 14:14:12,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-17 14:14:12,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 14:14:12,635 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-06-17 14:14:12,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2021-06-17 14:14:12,639 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 14:14:12,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 14:14:12,664 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 14:14:12,665 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:55, output treesize:55 [2021-06-17 14:14:12,862 INFO L446 ElimStorePlain]: Different costs {1=[v_C2_17], 6=[A, B]} [2021-06-17 14:14:12,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 14:14:12,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-17 14:14:12,877 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 14:14:12,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 14:14:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 14:14:12,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 14:14:12,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 14:14:12,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 14:14:12,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2021-06-17 14:14:12,906 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 14:14:12,919 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 14:14:12,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 14:14:12,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 14:14:12,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 14:14:12,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 14:14:12,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-06-17 14:14:12,930 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 14:14:12,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 14:14:12,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 14:14:12,947 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:67, output treesize:36 [2021-06-17 14:14:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 14:14:13,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219062482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 14:14:13,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 14:14:13,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 22 [2021-06-17 14:14:13,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905874530] [2021-06-17 14:14:13,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-17 14:14:13,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 14:14:13,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-17 14:14:13,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2021-06-17 14:14:13,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 14:14:13,089 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 14:14:13,090 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.3636363636363638) internal successors, (52), 22 states have internal predecessors, (52), 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) [2021-06-17 14:14:13,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 14:14:13,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 14:14:13,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 14:14:14,054 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2021-06-17 14:14:15,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 14:14:15,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 14:14:15,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 14:14:15,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 14:14:15,526 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 14:14:15,527 INFO L202 PluginConnector]: Adding new model vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 02:14:15 BasicIcfg [2021-06-17 14:14:15,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 14:14:15,528 INFO L168 Benchmark]: Toolchain (without parser) took 5672.82 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 164.7 MB in the beginning and 117.7 MB in the end (delta: 47.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 8.0 GB. [2021-06-17 14:14:15,528 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 185.6 MB. Free memory is still 165.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 14:14:15,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.86 ms. Allocated memory is still 185.6 MB. Free memory was 164.7 MB in the beginning and 163.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 14:14:15,528 INFO L168 Benchmark]: Boogie Preprocessor took 14.07 ms. Allocated memory is still 185.6 MB. Free memory was 163.2 MB in the beginning and 162.2 MB in the end (delta: 982.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 14:14:15,528 INFO L168 Benchmark]: RCFGBuilder took 268.14 ms. Allocated memory is still 185.6 MB. Free memory was 162.1 MB in the beginning and 148.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-17 14:14:15,528 INFO L168 Benchmark]: TraceAbstraction took 5361.14 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 148.1 MB in the beginning and 117.7 MB in the end (delta: 30.5 MB). Peak memory consumption was 69.1 MB. Max. memory is 8.0 GB. [2021-06-17 14:14:15,529 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 185.6 MB. Free memory is still 165.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.86 ms. Allocated memory is still 185.6 MB. Free memory was 164.7 MB in the beginning and 163.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.07 ms. Allocated memory is still 185.6 MB. Free memory was 163.2 MB in the beginning and 162.2 MB in the end (delta: 982.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 268.14 ms. Allocated memory is still 185.6 MB. Free memory was 162.1 MB in the beginning and 148.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5361.14 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 148.1 MB in the beginning and 117.7 MB in the end (delta: 30.5 MB). Peak memory consumption was 69.1 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: 1626, positive: 1446, positive conditional: 1149, positive unconditional: 297, negative: 180, negative conditional: 180, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 1149, positive unconditional: 297, 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: 1446, positive: 1446, positive conditional: 0, positive unconditional: 1446, 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: 253, positive: 253, positive conditional: 0, positive unconditional: 253, 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: 253, positive: 251, positive conditional: 0, positive unconditional: 251, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1446, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 253, unknown conditional: 0, unknown unconditional: 253] , Statistics on independence cache: Total cache size (in pairs): 253, Positive cache size: 253, Positive conditional cache size: 0, Positive unconditional cache size: 253, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, 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): 253, Positive cache size: 253, Positive conditional cache size: 0, Positive unconditional cache size: 253, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, 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): 253, Positive cache size: 253, Positive conditional cache size: 0, Positive unconditional cache size: 253, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, 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): 253, Positive cache size: 253, Positive conditional cache size: 0, Positive unconditional cache size: 253, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 180 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 163, Number of persistent set computation: 1126, Number of trivial persistent sets: 992, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1626, positive: 1446, positive conditional: 1149, positive unconditional: 297, negative: 180, negative conditional: 180, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 1149, positive unconditional: 297, 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: 1446, positive: 1446, positive conditional: 0, positive unconditional: 1446, 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: 253, positive: 253, positive conditional: 0, positive unconditional: 253, 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: 253, positive: 251, positive conditional: 0, positive unconditional: 251, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1446, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 253, unknown conditional: 0, unknown unconditional: 253] , Statistics on independence cache: Total cache size (in pairs): 253, Positive cache size: 253, Positive conditional cache size: 0, Positive unconditional cache size: 253, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, 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): 253, Positive cache size: 253, Positive conditional cache size: 0, Positive unconditional cache size: 253, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, 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): 253, Positive cache size: 253, Positive conditional cache size: 0, Positive unconditional cache size: 253, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, 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): 253, Positive cache size: 253, Positive conditional cache size: 0, Positive unconditional cache size: 253, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 180 - PositiveResult [Line: 67]: 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, 43 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5260.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 2615.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 58, 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: 29.5ms SsaConstructionTime, 83.8ms SatisfiabilityAnalysisTime, 1662.9ms InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 144 ConstructedInterpolants, 13 QuantifiedInterpolants, 1782 SizeOfPredicates, 14 NumberOfNonLiveVariables, 165 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 6 InterpolantComputations, 0 PerfectInterpolantSequences, 0/30 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...