/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 08:42:04,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 08:42:04,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 08:42:04,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 08:42:04,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-15 08:42:04,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-15 08:42:04,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-15 08:42:04,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-15 08:42:04,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-15 08:42:04,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-15 08:42:04,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-15 08:42:04,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-15 08:42:04,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-15 08:42:04,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-15 08:42:04,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-15 08:42:04,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-15 08:42:04,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-15 08:42:04,732 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-NewStatesSleep-NoLbe.epf [2021-04-15 08:42:04,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 08:42:04,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 08:42:04,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 08:42:04,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 08:42:04,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 08:42:04,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 08:42:04,771 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 08:42:04,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 08:42:04,772 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 08:42:04,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 08:42:04,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 08:42:04,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 08:42:04,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 08:42:04,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 08:42:04,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 08:42:04,773 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 08:42:04,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 08:42:04,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 08:42:04,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 08:42:04,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 08:42:04,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 08:42:04,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 08:42:04,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 08:42:04,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 08:42:04,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 08:42:04,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 08:42:04,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 08:42:04,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 08:42:04,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 08:42:04,775 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 08:42:04,775 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 08:42:04,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 08:42:04,775 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 08:42:04,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 08:42:05,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 08:42:05,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 08:42:05,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 08:42:05,188 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-15 08:42:05,190 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-15 08:42:05,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-3.wvr.bpl [2021-04-15 08:42:05,191 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-3.wvr.bpl' [2021-04-15 08:42:05,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 08:42:05,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-15 08:42:05,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 08:42:05,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 08:42:05,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 08:42:05,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:42:05" (1/1) ... [2021-04-15 08:42:05,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:42:05" (1/1) ... [2021-04-15 08:42:05,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 08:42:05,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 08:42:05,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 08:42:05,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 08:42:05,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:42:05" (1/1) ... [2021-04-15 08:42:05,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:42:05" (1/1) ... [2021-04-15 08:42:05,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:42:05" (1/1) ... [2021-04-15 08:42:05,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:42:05" (1/1) ... [2021-04-15 08:42:05,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:42:05" (1/1) ... [2021-04-15 08:42:05,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:42:05" (1/1) ... [2021-04-15 08:42:05,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:42:05" (1/1) ... [2021-04-15 08:42:05,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 08:42:05,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 08:42:05,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 08:42:05,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 08:42:05,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:42:05" (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 [2021-04-15 08:42:05,380 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-15 08:42:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-15 08:42:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-15 08:42:05,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-15 08:42:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-15 08:42:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-15 08:42:05,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-15 08:42:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 08:42:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 08:42:05,382 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 08:42:05,596 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 08:42:05,596 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-15 08:42:05,597 INFO L202 PluginConnector]: Adding new model misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 08:42:05 BoogieIcfgContainer [2021-04-15 08:42:05,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 08:42:05,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 08:42:05,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 08:42:05,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 08:42:05,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:42:05" (1/2) ... [2021-04-15 08:42:05,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1410f26b and model type misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 08:42:05, skipping insertion in model container [2021-04-15 08:42:05,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 08:42:05" (2/2) ... [2021-04-15 08:42:05,605 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-3.wvr.bpl [2021-04-15 08:42:05,623 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 08:42:05,623 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 08:42:05,627 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 08:42:05,627 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 08:42:05,657 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-04-15 08:42:05,688 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-04-15 08:42:05,732 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 08:42:05,749 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 08:42:05,749 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 08:42:05,749 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 08:42:05,749 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 08:42:05,749 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 08:42:05,749 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 08:42:05,749 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 08:42:05,897 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:42:05,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:42:05,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1054573562, now seen corresponding path program 1 times [2021-04-15 08:42:05,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:42:05,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365652252] [2021-04-15 08:42:05,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:42:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:42:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:42:06,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365652252] [2021-04-15 08:42:06,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:42:06,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 08:42:06,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600356575] [2021-04-15 08:42:06,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 08:42:06,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:42:06,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 08:42:06,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 08:42:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:42:06,110 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:42:06,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-04-15 08:42:06,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:42:06,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 08:42:06,153 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:42:06,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:42:06,158 INFO L82 PathProgramCache]: Analyzing trace with hash -858666509, now seen corresponding path program 1 times [2021-04-15 08:42:06,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:42:06,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350530362] [2021-04-15 08:42:06,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:42:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:42:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:42:06,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350530362] [2021-04-15 08:42:06,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:42:06,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 08:42:06,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866459665] [2021-04-15 08:42:06,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-15 08:42:06,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:42:06,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-15 08:42:06,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-15 08:42:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:42:06,236 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:42:06,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-04-15 08:42:06,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:42:06,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:42:06,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 08:42:06,307 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:42:06,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:42:06,308 INFO L82 PathProgramCache]: Analyzing trace with hash 491609812, now seen corresponding path program 1 times [2021-04-15 08:42:06,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:42:06,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897299311] [2021-04-15 08:42:06,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:42:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:42:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-04-15 08:42:06,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897299311] [2021-04-15 08:42:06,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:42:06,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 08:42:06,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601585565] [2021-04-15 08:42:06,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 08:42:06,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:42:06,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 08:42:06,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 08:42:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:42:06,346 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:42:06,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2021-04-15 08:42:06,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:42:06,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:42:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:42:06,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 08:42:06,360 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:42:06,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:42:06,361 INFO L82 PathProgramCache]: Analyzing trace with hash 2125915899, now seen corresponding path program 1 times [2021-04-15 08:42:06,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:42:06,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058804148] [2021-04-15 08:42:06,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:42:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:42:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-04-15 08:42:06,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058804148] [2021-04-15 08:42:06,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:42:06,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 08:42:06,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97112438] [2021-04-15 08:42:06,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-15 08:42:06,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:42:06,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-15 08:42:06,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-15 08:42:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:42:06,424 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:42:06,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-04-15 08:42:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:42:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:42:06,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:42:06,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:42:06,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-15 08:42:06,454 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:42:06,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:42:06,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1037976978, now seen corresponding path program 1 times [2021-04-15 08:42:06,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:42:06,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756880048] [2021-04-15 08:42:06,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:42:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:42:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-15 08:42:06,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756880048] [2021-04-15 08:42:06,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613460323] [2021-04-15 08:42:06,584 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 [2021-04-15 08:42:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:42:06,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 11 conjunts are in the unsatisfiable core [2021-04-15 08:42:06,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:42:06,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-15 08:42:06,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:42:06,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-04-15 08:42:06,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339100642] [2021-04-15 08:42:06,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-15 08:42:06,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:42:06,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-15 08:42:06,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-15 08:42:06,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:42:06,854 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:42:06,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-04-15 08:42:06,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:42:06,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:42:06,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:42:06,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:42:06,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 08:42:06,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:42:06,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:42:07,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 08:42:07,148 INFO L202 PluginConnector]: Adding new model misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 08:42:07 BasicIcfg [2021-04-15 08:42:07,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 08:42:07,149 INFO L168 Benchmark]: Toolchain (without parser) took 1919.24 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 236.6 MB in the beginning and 322.4 MB in the end (delta: -85.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.0 GB. [2021-04-15 08:42:07,150 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 08:42:07,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.89 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 08:42:07,150 INFO L168 Benchmark]: Boogie Preprocessor took 19.94 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.1 MB in the end (delta: 986.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 08:42:07,151 INFO L168 Benchmark]: RCFGBuilder took 310.60 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 237.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.0 GB. [2021-04-15 08:42:07,151 INFO L168 Benchmark]: TraceAbstraction took 1549.10 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 236.6 MB in the beginning and 322.4 MB in the end (delta: -85.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.0 GB. [2021-04-15 08:42:07,153 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 0.23 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 29.89 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.94 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.1 MB in the end (delta: 986.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 310.60 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 237.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1549.10 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 236.6 MB in the beginning and 322.4 MB in the end (delta: -85.8 MB). Peak memory consumption was 26.3 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: 1001, positive: 789, positive conditional: 789, positive unconditional: 0, negative: 212, negative conditional: 212, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 789, positive: 789, positive conditional: 789, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 789, positive: 789, positive conditional: 0, positive unconditional: 789, 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: 168, positive: 168, positive conditional: 0, positive unconditional: 168, 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: 168, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 789, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 168, unknown conditional: 0, unknown unconditional: 168] , Statistics on independence cache: Total cache size (in pairs): 168, Positive cache size: 168, Positive conditional cache size: 0, Positive unconditional cache size: 168, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 85, positive conditional: 0, positive unconditional: 85, 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): 168, Positive cache size: 168, Positive conditional cache size: 0, Positive unconditional cache size: 168, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 85, positive conditional: 0, positive unconditional: 85, 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): 168, Positive cache size: 168, Positive conditional cache size: 0, Positive unconditional cache size: 168, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 85, positive conditional: 0, positive unconditional: 85, 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): 168, Positive cache size: 168, Positive conditional cache size: 0, Positive unconditional cache size: 168, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 85, positive conditional: 0, positive unconditional: 85, 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): 168, Positive cache size: 168, Positive conditional cache size: 0, Positive unconditional cache size: 168, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 85, positive conditional: 0, positive unconditional: 85, 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): 168, Positive cache size: 168, Positive conditional cache size: 0, Positive unconditional cache size: 168, 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: 212 - PositiveResult [Line: 72]: 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 3 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1438.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.2ms, PartialOrderReductionTime: 347.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, 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: 24.3ms SsaConstructionTime, 112.7ms SatisfiabilityAnalysisTime, 459.9ms InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 512 SizeOfPredicates, 1 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 18/38 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...