/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-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/container-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-20 00:13:18,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-20 00:13:18,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-20 00:13:18,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-20 00:13:18,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-20 00:13:18,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-20 00:13:18,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-20 00:13:18,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-20 00:13:18,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-20 00:13:18,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-20 00:13:18,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-20 00:13:18,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-20 00:13:18,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-20 00:13:18,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-20 00:13:18,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-20 00:13:18,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-20 00:13:18,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-20 00:13:18,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-20 00:13:18,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-20 00:13:18,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-20 00:13:18,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-20 00:13:18,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-20 00:13:18,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-20 00:13:18,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-20 00:13:18,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-20 00:13:18,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-20 00:13:18,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-20 00:13:18,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-20 00:13:18,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-20 00:13:18,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-20 00:13:18,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-20 00:13:18,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-20 00:13:18,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-20 00:13:18,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-20 00:13:18,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-20 00:13:18,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-20 00:13:18,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-20 00:13:18,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-20 00:13:18,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-20 00:13:18,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-20 00:13:18,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-20 00:13:18,638 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-Sleep-NoLbe-New_States.epf [2021-02-20 00:13:18,652 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-20 00:13:18,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-20 00:13:18,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-20 00:13:18,653 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-20 00:13:18,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-20 00:13:18,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-20 00:13:18,654 INFO L138 SettingsManager]: * Use SBE=true [2021-02-20 00:13:18,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-20 00:13:18,654 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-20 00:13:18,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-20 00:13:18,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-20 00:13:18,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-20 00:13:18,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-20 00:13:18,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-20 00:13:18,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-20 00:13:18,655 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-20 00:13:18,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-20 00:13:18,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-20 00:13:18,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-20 00:13:18,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-20 00:13:18,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-20 00:13:18,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-20 00:13:18,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-20 00:13:18,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-20 00:13:18,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-20 00:13:18,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-20 00:13:18,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-20 00:13:18,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-20 00:13:18,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-20 00:13:18,656 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-20 00:13:18,656 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-20 00:13:18,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-20 00:13:18,656 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-20 00:13:18,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-20 00:13:18,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-20 00:13:18,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-20 00:13:18,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-20 00:13:18,859 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-20 00:13:18,861 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-20 00:13:18,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/container-trans.wvr.bpl [2021-02-20 00:13:18,862 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/container-trans.wvr.bpl' [2021-02-20 00:13:18,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-20 00:13:18,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-20 00:13:18,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-20 00:13:18,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-20 00:13:18,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-20 00:13:18,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:13:18" (1/1) ... [2021-02-20 00:13:18,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:13:18" (1/1) ... [2021-02-20 00:13:18,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-20 00:13:18,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-20 00:13:18,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-20 00:13:18,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-20 00:13:18,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:13:18" (1/1) ... [2021-02-20 00:13:18,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:13:18" (1/1) ... [2021-02-20 00:13:18,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:13:18" (1/1) ... [2021-02-20 00:13:18,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:13:18" (1/1) ... [2021-02-20 00:13:18,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:13:18" (1/1) ... [2021-02-20 00:13:18,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:13:18" (1/1) ... [2021-02-20 00:13:18,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:13:18" (1/1) ... [2021-02-20 00:13:18,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-20 00:13:18,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-20 00:13:18,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-20 00:13:18,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-20 00:13:18,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:13:18" (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 [2021-02-20 00:13:18,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-20 00:13:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-20 00:13:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-20 00:13:18,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-20 00:13:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-20 00:13:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-20 00:13:18,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-20 00:13:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-20 00:13:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-20 00:13:18,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-20 00:13:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-20 00:13:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-20 00:13:18,970 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-20 00:13:19,204 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-20 00:13:19,205 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-20 00:13:19,206 INFO L202 PluginConnector]: Adding new model container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:13:19 BoogieIcfgContainer [2021-02-20 00:13:19,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-20 00:13:19,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-20 00:13:19,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-20 00:13:19,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-20 00:13:19,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:13:18" (1/2) ... [2021-02-20 00:13:19,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76298c55 and model type container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:13:19, skipping insertion in model container [2021-02-20 00:13:19,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:13:19" (2/2) ... [2021-02-20 00:13:19,210 INFO L111 eAbstractionObserver]: Analyzing ICFG container-trans.wvr.bpl [2021-02-20 00:13:19,214 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-20 00:13:19,214 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-20 00:13:19,216 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-20 00:13:19,216 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-20 00:13:19,237 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-02-20 00:13:19,254 INFO L253 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) [2021-02-20 00:13:19,273 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-20 00:13:19,273 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-20 00:13:19,273 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-20 00:13:19,273 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-20 00:13:19,273 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-20 00:13:19,273 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-20 00:13:19,273 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-20 00:13:19,273 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-20 00:13:19,303 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:13:19,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:13:19,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1365396698, now seen corresponding path program 1 times [2021-02-20 00:13:19,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:13:19,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445915023] [2021-02-20 00:13:19,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:13:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:13:20,181 WARN L202 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 181 [2021-02-20 00:13:20,556 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 38 [2021-02-20 00:13:20,862 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 207 [2021-02-20 00:13:21,280 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 49 [2021-02-20 00:13:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:13:21,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445915023] [2021-02-20 00:13:21,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-20 00:13:21,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-20 00:13:21,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65508708] [2021-02-20 00:13:21,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-20 00:13:21,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:13:21,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-20 00:13:21,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-20 00:13:21,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:13:21,320 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:13:21,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:13:21,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:13:21,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:13:21,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-20 00:13:21,497 INFO L202 PluginConnector]: Adding new model container-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:13:21 BasicIcfg [2021-02-20 00:13:21,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-20 00:13:21,499 INFO L168 Benchmark]: Toolchain (without parser) took 2611.63 ms. Allocated memory was 255.9 MB in the beginning and 419.4 MB in the end (delta: 163.6 MB). Free memory was 236.7 MB in the beginning and 282.2 MB in the end (delta: -45.5 MB). Peak memory consumption was 118.4 MB. Max. memory is 16.0 GB. [2021-02-20 00:13:21,499 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 171.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-20 00:13:21,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.08 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-20 00:13:21,501 INFO L168 Benchmark]: Boogie Preprocessor took 13.79 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-20 00:13:21,502 INFO L168 Benchmark]: RCFGBuilder took 282.18 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 232.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB. [2021-02-20 00:13:21,502 INFO L168 Benchmark]: TraceAbstraction took 2290.65 ms. Allocated memory was 255.9 MB in the beginning and 419.4 MB in the end (delta: 163.6 MB). Free memory was 231.8 MB in the beginning and 282.2 MB in the end (delta: -50.4 MB). Peak memory consumption was 112.4 MB. Max. memory is 16.0 GB. [2021-02-20 00:13:21,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 171.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.08 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.79 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 282.18 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 232.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2290.65 ms. Allocated memory was 255.9 MB in the beginning and 419.4 MB in the end (delta: 163.6 MB). Free memory was 231.8 MB in the beginning and 282.2 MB in the end (delta: -50.4 MB). Peak memory consumption was 112.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 67]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 6604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...