/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/commit-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 16:40:33,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 16:40:33,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 16:40:33,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 16:40:33,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 16:40:33,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 16:40:33,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 16:40:33,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 16:40:33,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 16:40:33,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 16:40:33,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 16:40:33,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 16:40:33,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 16:40:33,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 16:40:33,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 16:40:33,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 16:40:33,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-14 16:40:33,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-14 16:40:33,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-14 16:40:33,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-14 16:40:33,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-14 16:40:33,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-14 16:40:33,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 16:40:33,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 16:40:33,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 16:40:33,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 16:40:33,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 16:40:33,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 16:40:33,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 16:40:33,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 16:40:33,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 16:40:33,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 16:40:33,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 16:40:33,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-14 16:40:33,936 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 16:40:33,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 16:40:33,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 16:40:33,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 16:40:33,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 16:40:33,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 16:40:33,937 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 16:40:33,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 16:40:33,938 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 16:40:33,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 16:40:33,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 16:40:33,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 16:40:33,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 16:40:33,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 16:40:33,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 16:40:33,938 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 16:40:33,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 16:40:33,939 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 16:40:33,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 16:40:33,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 16:40:33,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 16:40:33,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 16:40:33,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 16:40:33,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 16:40:33,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 16:40:33,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 16:40:33,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 16:40:33,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 16:40:33,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 16:40:33,948 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 16:40:33,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 16:40:33,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 16:40:33,948 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 16:40:33,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 16:40:34,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 16:40:34,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 16:40:34,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 16:40:34,210 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 16:40:34,211 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 16:40:34,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/commit-2.wvr.bpl [2021-06-14 16:40:34,211 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/commit-2.wvr.bpl' [2021-06-14 16:40:34,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 16:40:34,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 16:40:34,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 16:40:34,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 16:40:34,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 16:40:34,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:40:34" (1/1) ... [2021-06-14 16:40:34,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:40:34" (1/1) ... [2021-06-14 16:40:34,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 16:40:34,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 16:40:34,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 16:40:34,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 16:40:34,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:40:34" (1/1) ... [2021-06-14 16:40:34,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:40:34" (1/1) ... [2021-06-14 16:40:34,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:40:34" (1/1) ... [2021-06-14 16:40:34,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:40:34" (1/1) ... [2021-06-14 16:40:34,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:40:34" (1/1) ... [2021-06-14 16:40:34,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:40:34" (1/1) ... [2021-06-14 16:40:34,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:40:34" (1/1) ... [2021-06-14 16:40:34,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 16:40:34,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 16:40:34,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 16:40:34,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 16:40:34,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:40:34" (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 [2021-06-14 16:40:34,341 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 16:40:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 16:40:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 16:40:34,341 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 16:40:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 16:40:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 16:40:34,342 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 16:40:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 16:40:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 16:40:34,342 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-14 16:40:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-14 16:40:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-14 16:40:34,342 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-14 16:40:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-14 16:40:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-14 16:40:34,343 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 16:40:34,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 16:40:34,725 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-14 16:40:34,725 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-14 16:40:34,725 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-14 16:40:34,726 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-14 16:40:34,726 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-06-14 16:40:34,727 INFO L202 PluginConnector]: Adding new model commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:40:34 BoogieIcfgContainer [2021-06-14 16:40:34,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 16:40:34,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 16:40:34,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 16:40:34,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 16:40:34,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:40:34" (1/2) ... [2021-06-14 16:40:34,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6c012f and model type commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:40:34, skipping insertion in model container [2021-06-14 16:40:34,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:40:34" (2/2) ... [2021-06-14 16:40:34,731 INFO L111 eAbstractionObserver]: Analyzing ICFG commit-2.wvr.bpl [2021-06-14 16:40:34,735 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 16:40:34,735 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 16:40:34,735 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 16:40:34,736 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 16:40:34,771 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-14 16:40:34,785 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 [2021-06-14 16:40:34,846 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 16:40:34,847 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 16:40:34,847 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 16:40:34,847 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 16:40:34,847 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 16:40:34,847 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 16:40:34,847 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 16:40:34,847 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 16:40:35,077 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:40:35,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:40:35,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1557400350, now seen corresponding path program 1 times [2021-06-14 16:40:35,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:40:35,090 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284992742] [2021-06-14 16:40:35,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:40:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:40:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:40:35,185 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:40:35,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284992742] [2021-06-14 16:40:35,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284992742] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 16:40:35,187 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 16:40:35,187 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 16:40:35,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486672898] [2021-06-14 16:40:35,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 16:40:35,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:40:35,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 16:40:35,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 16:40:35,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:35,203 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:40:35,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-06-14 16:40:35,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 16:40:35,236 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:40:35,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:40:35,238 INFO L82 PathProgramCache]: Analyzing trace with hash 393388797, now seen corresponding path program 1 times [2021-06-14 16:40:35,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:40:35,239 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169125180] [2021-06-14 16:40:35,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:40:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:40:35,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:40:35,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:40:35,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169125180] [2021-06-14 16:40:35,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169125180] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:40:35,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444016391] [2021-06-14 16:40:35,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:40:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:40:35,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-14 16:40:35,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:40:35,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:40:35,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444016391] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:40:35,461 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:40:35,461 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-14 16:40:35,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68310430] [2021-06-14 16:40:35,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 16:40:35,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:40:35,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 16:40:35,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-14 16:40:35,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:35,468 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:40:35,469 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-06-14 16:40:35,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:40:35,725 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:40:35,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:40:35,725 INFO L82 PathProgramCache]: Analyzing trace with hash -338381303, now seen corresponding path program 1 times [2021-06-14 16:40:35,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:40:35,726 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271864703] [2021-06-14 16:40:35,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:40:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:40:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:40:35,760 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:40:35,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271864703] [2021-06-14 16:40:35,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271864703] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 16:40:35,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 16:40:35,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 16:40:35,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494763628] [2021-06-14 16:40:35,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 16:40:35,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:40:35,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 16:40:35,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 16:40:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:35,764 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:40:35,764 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-06-14 16:40:35,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-14 16:40:35,809 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:40:35,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:40:35,809 INFO L82 PathProgramCache]: Analyzing trace with hash 805189141, now seen corresponding path program 1 times [2021-06-14 16:40:35,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:40:35,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129290080] [2021-06-14 16:40:35,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:40:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:40:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:40:35,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:40:35,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129290080] [2021-06-14 16:40:35,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129290080] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 16:40:35,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 16:40:35,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 16:40:35,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680175970] [2021-06-14 16:40:35,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 16:40:35,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:40:35,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 16:40:35,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 16:40:35,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:35,847 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:40:35,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-06-14 16:40:35,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:35,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:35,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-14 16:40:35,912 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:40:35,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:40:35,912 INFO L82 PathProgramCache]: Analyzing trace with hash 264758049, now seen corresponding path program 1 times [2021-06-14 16:40:35,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:40:35,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416082571] [2021-06-14 16:40:35,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:40:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:40:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:40:35,954 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:40:35,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416082571] [2021-06-14 16:40:35,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416082571] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:40:35,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124283110] [2021-06-14 16:40:35,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:40:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:40:36,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-14 16:40:36,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:40:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:40:36,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124283110] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:40:36,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:40:36,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-14 16:40:36,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438846456] [2021-06-14 16:40:36,114 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 16:40:36,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:40:36,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 16:40:36,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-14 16:40:36,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:36,114 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:40:36,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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) [2021-06-14 16:40:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:40:36,349 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:40:36,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:40:36,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1045724318, now seen corresponding path program 1 times [2021-06-14 16:40:36,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:40:36,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075384754] [2021-06-14 16:40:36,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:40:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:40:36,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 16:40:36,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:40:36,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075384754] [2021-06-14 16:40:36,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075384754] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 16:40:36,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 16:40:36,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 16:40:36,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854185978] [2021-06-14 16:40:36,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 16:40:36,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:40:36,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 16:40:36,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 16:40:36,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:36,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:40:36,369 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 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) [2021-06-14 16:40:36,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:40:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 16:40:36,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-14 16:40:36,502 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 16:40:36,504 INFO L202 PluginConnector]: Adding new model commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 04:40:36 BasicIcfg [2021-06-14 16:40:36,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 16:40:36,504 INFO L168 Benchmark]: Toolchain (without parser) took 2272.56 ms. Allocated memory was 191.9 MB in the beginning and 230.7 MB in the end (delta: 38.8 MB). Free memory was 172.9 MB in the beginning and 159.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 52.2 MB. Max. memory is 8.0 GB. [2021-06-14 16:40:36,504 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 191.9 MB. Free memory is still 174.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 16:40:36,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.18 ms. Allocated memory is still 191.9 MB. Free memory was 172.8 MB in the beginning and 171.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 16:40:36,504 INFO L168 Benchmark]: Boogie Preprocessor took 19.10 ms. Allocated memory is still 191.9 MB. Free memory was 171.4 MB in the beginning and 170.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 16:40:36,504 INFO L168 Benchmark]: RCFGBuilder took 448.45 ms. Allocated memory is still 191.9 MB. Free memory was 170.2 MB in the beginning and 170.0 MB in the end (delta: 229.3 kB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. [2021-06-14 16:40:36,505 INFO L168 Benchmark]: TraceAbstraction took 1775.73 ms. Allocated memory was 191.9 MB in the beginning and 230.7 MB in the end (delta: 38.8 MB). Free memory was 169.5 MB in the beginning and 159.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 48.0 MB. Max. memory is 8.0 GB. [2021-06-14 16:40:36,505 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 0.09 ms. Allocated memory is still 191.9 MB. Free memory is still 174.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.18 ms. Allocated memory is still 191.9 MB. Free memory was 172.8 MB in the beginning and 171.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.10 ms. Allocated memory is still 191.9 MB. Free memory was 171.4 MB in the beginning and 170.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 448.45 ms. Allocated memory is still 191.9 MB. Free memory was 170.2 MB in the beginning and 170.0 MB in the end (delta: 229.3 kB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1775.73 ms. Allocated memory was 191.9 MB in the beginning and 230.7 MB in the end (delta: 38.8 MB). Free memory was 169.5 MB in the beginning and 159.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 48.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1095, positive: 878, positive conditional: 613, positive unconditional: 265, negative: 217, negative conditional: 205, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 968, positive: 878, positive conditional: 613, positive unconditional: 265, negative: 90, negative conditional: 78, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 968, positive: 846, positive conditional: 0, positive unconditional: 846, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 208, positive: 196, positive conditional: 0, positive unconditional: 196, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 208, positive: 196, positive conditional: 0, positive unconditional: 196, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 968, positive: 650, positive conditional: 0, positive unconditional: 650, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 208, unknown conditional: 0, unknown unconditional: 208] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455 ], Maximal queried relation: 6, Independence queries for same thread: 127 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 256, Number of persistent set computation: 554, Number of trivial persistent sets: 503, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1095, positive: 878, positive conditional: 613, positive unconditional: 265, negative: 217, negative conditional: 205, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 968, positive: 878, positive conditional: 613, positive unconditional: 265, negative: 90, negative conditional: 78, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 968, positive: 846, positive conditional: 0, positive unconditional: 846, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 208, positive: 196, positive conditional: 0, positive unconditional: 196, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 208, positive: 196, positive conditional: 0, positive unconditional: 196, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 968, positive: 650, positive conditional: 0, positive unconditional: 650, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 208, unknown conditional: 0, unknown unconditional: 208] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455, SemanticConditionEliminator.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 577, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 545, negative conditional: 90, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 35, negative conditional: 23, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 294, negative conditional: 127, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 577, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 522, negative conditional: 67, negative unconditional: 455, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 201, Positive conditional cache size: 5, Positive unconditional cache size: 196, Negative cache size: 35, Negative conditional cache size: 23, Negative unconditional cache size: 12, Eliminated conditions: 455 ], Maximal queried relation: 6, Independence queries for same thread: 127 - PositiveResult [Line: 172]: 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, 34 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1706.8ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.7ms, PartialOrderReductionTime: 545.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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: 20.6ms SsaConstructionTime, 96.8ms SatisfiabilityAnalysisTime, 362.1ms InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 17 NumberOfNonLiveVariables, 132 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 4/8 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...