/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 05:05:48,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 05:05:48,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 05:05:48,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-07 05:05:48,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-07 05:05:48,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-07 05:05:48,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-07 05:05:48,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-07 05:05:48,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-07 05:05:48,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-07 05:05:48,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-07 05:05:48,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-07 05:05:48,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 05:05:48,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 05:05:48,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 05:05:48,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 05:05:48,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 05:05:48,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 05:05:48,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 05:05:48,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 05:05:48,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 05:05:48,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 05:05:48,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 05:05:48,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 05:05:48,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-07 05:05:48,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-07 05:05:48,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-07 05:05:48,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-07 05:05:48,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-07 05:05:48,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-07 05:05:48,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-07 05:05:48,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-07 05:05:48,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-07 05:05:48,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-07 05:05:48,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-07 05:05:48,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-07 05:05:48,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-07 05:05:48,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-07 05:05:48,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 05:05:48,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 05:05:48,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 05:05:48,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf [2021-06-07 05:05:48,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 05:05:48,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 05:05:48,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 05:05:48,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 05:05:48,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 05:05:48,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 05:05:48,934 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 05:05:48,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 05:05:48,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 05:05:48,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 05:05:48,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 05:05:48,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 05:05:48,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 05:05:48,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 05:05:48,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 05:05:48,937 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 05:05:48,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 05:05:48,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 05:05:48,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 05:05:48,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 05:05:48,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 05:05:48,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 05:05:48,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 05:05:48,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 05:05:48,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 05:05:48,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 05:05:48,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 05:05:48,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 05:05:48,938 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 05:05:48,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 05:05:48,939 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 05:05:48,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 05:05:48,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 05:05:48,939 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 05:05:48,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 05:05:48,939 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 05:05:49,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 05:05:49,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 05:05:49,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 05:05:49,295 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 05:05:49,297 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 05:05:49,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl [2021-06-07 05:05:49,298 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl' [2021-06-07 05:05:49,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 05:05:49,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 05:05:49,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 05:05:49,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 05:05:49,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 05:05:49,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:05:49" (1/1) ... [2021-06-07 05:05:49,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:05:49" (1/1) ... [2021-06-07 05:05:49,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 05:05:49,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 05:05:49,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 05:05:49,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 05:05:49,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:05:49" (1/1) ... [2021-06-07 05:05:49,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:05:49" (1/1) ... [2021-06-07 05:05:49,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:05:49" (1/1) ... [2021-06-07 05:05:49,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:05:49" (1/1) ... [2021-06-07 05:05:49,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:05:49" (1/1) ... [2021-06-07 05:05:49,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:05:49" (1/1) ... [2021-06-07 05:05:49,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:05:49" (1/1) ... [2021-06-07 05:05:49,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 05:05:49,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 05:05:49,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 05:05:49,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 05:05:49,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:05:49" (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 [2021-06-07 05:05:49,435 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 05:05:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 05:05:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 05:05:49,436 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 05:05:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 05:05:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 05:05:49,437 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 05:05:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 05:05:49,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 05:05:49,438 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 05:05:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 05:05:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 05:05:49,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-07 05:05:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-07 05:05:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-07 05:05:49,440 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 05:05:49,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 05:05:49,621 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 05:05:49,622 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 05:05:49 BoogieIcfgContainer [2021-06-07 05:05:49,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 05:05:49,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 05:05:49,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 05:05:49,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 05:05:49,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:05:49" (1/2) ... [2021-06-07 05:05:49,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2035a179 and model type easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 05:05:49, skipping insertion in model container [2021-06-07 05:05:49,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 05:05:49" (2/2) ... [2021-06-07 05:05:49,629 INFO L111 eAbstractionObserver]: Analyzing ICFG easy10.wvr.bpl [2021-06-07 05:05:49,634 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 05:05:49,634 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 05:05:49,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 05:05:49,635 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 05:05:49,677 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-07 05:05:49,704 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 05:05:49,758 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 05:05:49,759 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 05:05:49,759 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 05:05:49,759 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 05:05:49,759 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 05:05:49,759 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 05:05:49,759 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 05:05:49,759 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 05:05:49,863 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 05:05:49,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 05:05:49,868 INFO L82 PathProgramCache]: Analyzing trace with hash 92612462, now seen corresponding path program 1 times [2021-06-07 05:05:49,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 05:05:49,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482359884] [2021-06-07 05:05:49,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 05:05:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 05:05:50,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 05:05:50,049 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 05:05:50,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482359884] [2021-06-07 05:05:50,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482359884] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 05:05:50,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 05:05:50,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 05:05:50,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173780853] [2021-06-07 05:05:50,055 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 05:05:50,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 05:05:50,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 05:05:50,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 05:05:50,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 05:05:50,075 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 05:05:50,079 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-06-07 05:05:50,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 05:05:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:50,144 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 05:05:50,145 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 05:05:50,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 05:05:50,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1870666064, now seen corresponding path program 2 times [2021-06-07 05:05:50,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 05:05:50,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178945768] [2021-06-07 05:05:50,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 05:05:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 05:05:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 05:05:50,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 05:05:50,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178945768] [2021-06-07 05:05:50,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178945768] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 05:05:50,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 05:05:50,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-07 05:05:50,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85947592] [2021-06-07 05:05:50,747 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-07 05:05:50,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 05:05:50,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-07 05:05:50,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2021-06-07 05:05:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 05:05:50,749 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 05:05:50,749 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 17 states have internal predecessors, (39), 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) [2021-06-07 05:05:50,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:50,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 05:05:52,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 05:05:52,250 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 05:05:52,250 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 05:05:52,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 05:05:52,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1042792204, now seen corresponding path program 3 times [2021-06-07 05:05:52,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 05:05:52,251 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610793939] [2021-06-07 05:05:52,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 05:05:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 05:05:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 05:05:52,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 05:05:52,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610793939] [2021-06-07 05:05:52,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610793939] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 05:05:52,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 05:05:52,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 05:05:52,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166874054] [2021-06-07 05:05:52,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 05:05:52,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 05:05:52,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 05:05:52,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 05:05:52,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 05:05:52,272 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 05:05:52,273 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-06-07 05:05:52,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 05:05:52,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 05:05:52,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 05:05:52,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 05:05:52,336 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 05:05:52,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 05:05:52,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1653851110, now seen corresponding path program 4 times [2021-06-07 05:05:52,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 05:05:52,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117203319] [2021-06-07 05:05:52,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 05:05:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 05:05:52,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 05:05:52,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 05:05:52,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117203319] [2021-06-07 05:05:52,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117203319] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 05:05:52,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 05:05:52,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 05:05:52,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875409540] [2021-06-07 05:05:52,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 05:05:52,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 05:05:52,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 05:05:52,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 05:05:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 05:05:52,355 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 05:05:52,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-06-07 05:05:52,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 05:05:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 05:05:52,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-07 05:05:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 05:05:52,504 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 05:05:52,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 05:05:52,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1737836268, now seen corresponding path program 5 times [2021-06-07 05:05:52,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 05:05:52,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262335124] [2021-06-07 05:05:52,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 05:05:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 05:05:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 05:05:52,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 05:05:52,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262335124] [2021-06-07 05:05:52,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262335124] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 05:05:52,523 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 05:05:52,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 05:05:52,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522959067] [2021-06-07 05:05:52,524 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 05:05:52,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 05:05:52,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 05:05:52,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 05:05:52,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 05:05:52,525 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 05:05:52,525 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-06-07 05:05:52,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-07 05:05:52,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 05:05:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-07 05:05:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 05:05:52,718 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-07 05:05:52,725 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 05:05:52,727 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 05:05:52 BasicIcfg [2021-06-07 05:05:52,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 05:05:52,728 INFO L168 Benchmark]: Toolchain (without parser) took 3406.85 ms. Allocated memory is still 354.4 MB. Free memory was 333.4 MB in the beginning and 276.3 MB in the end (delta: 57.1 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.0 GB. [2021-06-07 05:05:52,728 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 354.4 MB. Free memory was 334.5 MB in the beginning and 334.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 05:05:52,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.55 ms. Allocated memory is still 354.4 MB. Free memory was 333.2 MB in the beginning and 331.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 05:05:52,729 INFO L168 Benchmark]: Boogie Preprocessor took 13.45 ms. Allocated memory is still 354.4 MB. Free memory was 331.8 MB in the beginning and 330.8 MB in the end (delta: 994.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 05:05:52,730 INFO L168 Benchmark]: RCFGBuilder took 254.45 ms. Allocated memory is still 354.4 MB. Free memory was 330.8 MB in the beginning and 318.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-07 05:05:52,730 INFO L168 Benchmark]: TraceAbstraction took 3103.29 ms. Allocated memory is still 354.4 MB. Free memory was 317.6 MB in the beginning and 276.3 MB in the end (delta: 41.3 MB). Peak memory consumption was 44.9 MB. Max. memory is 16.0 GB. [2021-06-07 05:05:52,732 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 0.18 ms. Allocated memory is still 354.4 MB. Free memory was 334.5 MB in the beginning and 334.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.55 ms. Allocated memory is still 354.4 MB. Free memory was 333.2 MB in the beginning and 331.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.45 ms. Allocated memory is still 354.4 MB. Free memory was 331.8 MB in the beginning and 330.8 MB in the end (delta: 994.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 254.45 ms. Allocated memory is still 354.4 MB. Free memory was 330.8 MB in the beginning and 318.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3103.29 ms. Allocated memory is still 354.4 MB. Free memory was 317.6 MB in the beginning and 276.3 MB in the end (delta: 41.3 MB). Peak memory consumption was 44.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15417, positive: 15261, positive conditional: 15261, positive unconditional: 0, negative: 156, negative conditional: 156, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 15417, positive: 15261, positive conditional: 15261, positive unconditional: 0, negative: 156, negative conditional: 156, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 15417, positive: 15261, positive conditional: 0, positive unconditional: 15261, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 416, positive: 406, positive conditional: 0, positive unconditional: 406, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 416, positive: 403, positive conditional: 0, positive unconditional: 403, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 37, negative conditional: 12, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15417, positive: 14855, positive conditional: 0, positive unconditional: 14855, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 416, unknown conditional: 0, unknown unconditional: 416] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 13, Negative conditional cache size: 3, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 138, negative unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 138, negative unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 37, negative conditional: 12, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 515, negative conditional: 135, negative unconditional: 380, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 13, Negative conditional cache size: 3, Negative unconditional cache size: 10, Eliminated conditions: 380, SemanticConditionEliminator.Independence Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 138, negative unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 138, negative unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 37, negative conditional: 12, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 515, negative conditional: 135, negative unconditional: 380, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 13, Negative conditional cache size: 3, Negative unconditional cache size: 10, Eliminated conditions: 380, SemanticConditionEliminator.Independence Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 138, negative unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 138, negative unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 37, negative conditional: 12, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 515, negative conditional: 135, negative unconditional: 380, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 13, Negative conditional cache size: 3, Negative unconditional cache size: 10, Eliminated conditions: 380, SemanticConditionEliminator.Independence Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 138, negative unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 138, negative unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 37, negative conditional: 12, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 515, negative conditional: 135, negative unconditional: 380, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 13, Negative conditional cache size: 3, Negative unconditional cache size: 10, Eliminated conditions: 380, SemanticConditionEliminator.Independence Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 138, negative unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 138, negative unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 37, negative conditional: 12, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 518, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 515, negative conditional: 135, negative unconditional: 380, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 13, Negative conditional cache size: 3, Negative unconditional cache size: 10, Eliminated conditions: 380 ], Maximal queried relation: 5, Independence queries for same thread: 0 - PositiveResult [Line: 79]: 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 9 procedures, 82 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3005.0ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.3ms, PartialOrderReductionTime: 2061.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 53, 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: 16.3ms SsaConstructionTime, 87.3ms SatisfiabilityAnalysisTime, 654.7ms InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 744 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...