/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d310483fe8b4879eee5de19363f50e4b839cc4ec-d310483 [2021-06-24 19:43:57,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-24 19:43:57,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-24 19:43:57,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-24 19:43:57,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-24 19:43:57,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-24 19:43:57,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-24 19:43:57,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-24 19:43:57,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-24 19:43:57,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-24 19:43:57,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-24 19:43:57,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-24 19:43:57,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-24 19:43:57,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-24 19:43:57,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-24 19:43:57,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-24 19:43:57,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-24 19:43:57,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-24 19:43:57,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-24 19:43:57,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-24 19:43:57,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-24 19:43:57,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-24 19:43:57,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-24 19:43:57,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-24 19:43:57,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-24 19:43:57,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-24 19:43:57,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-24 19:43:57,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-24 19:43:57,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-24 19:43:57,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-24 19:43:57,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-24 19:43:57,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-24 19:43:57,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-24 19:43:57,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-24 19:43:57,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-24 19:43:57,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-24 19:43:57,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-24 19:43:57,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-24 19:43:57,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-24 19:43:57,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-24 19:43:57,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-24 19:43:57,970 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 [2021-06-24 19:43:58,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-24 19:43:58,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-24 19:43:58,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-24 19:43:58,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-24 19:43:58,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-24 19:43:58,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-24 19:43:58,013 INFO L138 SettingsManager]: * Use SBE=true [2021-06-24 19:43:58,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-24 19:43:58,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-24 19:43:58,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-24 19:43:58,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-24 19:43:58,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-24 19:43:58,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-24 19:43:58,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-24 19:43:58,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-24 19:43:58,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-24 19:43:58,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-24 19:43:58,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-24 19:43:58,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-24 19:43:58,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-24 19:43:58,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-24 19:43:58,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-24 19:43:58,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-24 19:43:58,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 19:43:58,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-24 19:43:58,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-24 19:43:58,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-24 19:43:58,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-24 19:43:58,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-24 19:43:58,044 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-24 19:43:58,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-24 19:43:58,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-24 19:43:58,044 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-24 19:43:58,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-24 19:43:58,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-24 19:43:58,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-24 19:43:58,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-24 19:43:58,357 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-24 19:43:58,358 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-24 19:43:58,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth03.bpl [2021-06-24 19:43:58,359 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth03.bpl' [2021-06-24 19:43:58,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-24 19:43:58,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-24 19:43:58,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-24 19:43:58,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-24 19:43:58,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-24 19:43:58,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:43:58" (1/1) ... [2021-06-24 19:43:58,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:43:58" (1/1) ... [2021-06-24 19:43:58,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-24 19:43:58,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-24 19:43:58,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-24 19:43:58,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-24 19:43:58,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:43:58" (1/1) ... [2021-06-24 19:43:58,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:43:58" (1/1) ... [2021-06-24 19:43:58,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:43:58" (1/1) ... [2021-06-24 19:43:58,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:43:58" (1/1) ... [2021-06-24 19:43:58,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:43:58" (1/1) ... [2021-06-24 19:43:58,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:43:58" (1/1) ... [2021-06-24 19:43:58,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:43:58" (1/1) ... [2021-06-24 19:43:58,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-24 19:43:58,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-24 19:43:58,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-24 19:43:58,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-24 19:43:58,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:43:58" (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 [2021-06-24 19:43:58,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-06-24 19:43:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-06-24 19:43:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-06-24 19:43:58,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-06-24 19:43:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-06-24 19:43:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-06-24 19:43:58,513 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-24 19:43:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-24 19:43:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-24 19:43:58,514 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-24 19:43:58,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-24 19:43:58,748 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-06-24 19:43:58,749 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-06-24 19:43:58,750 INFO L202 PluginConnector]: Adding new model bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 07:43:58 BoogieIcfgContainer [2021-06-24 19:43:58,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-24 19:43:58,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-24 19:43:58,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-24 19:43:58,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-24 19:43:58,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:43:58" (1/2) ... [2021-06-24 19:43:58,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd346c4 and model type bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 07:43:58, skipping insertion in model container [2021-06-24 19:43:58,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 07:43:58" (2/2) ... [2021-06-24 19:43:58,757 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth03.bpl [2021-06-24 19:43:58,778 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-24 19:43:58,778 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-24 19:43:58,778 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-24 19:43:58,779 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-24 19:43:58,839 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-24 19:43:58,894 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:43:59,000 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:43:59,000 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:43:59,000 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:43:59,001 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:43:59,001 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:43:59,001 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:43:59,001 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:43:59,001 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-24 19:43:59,288 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/4) [2021-06-24 19:43:59,289 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:43:59,296 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:43:59,296 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:43:59,296 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:43:59,296 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:43:59,297 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:43:59,297 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:43:59,297 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:43:59,297 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork2======== [2021-06-24 19:43:59,302 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:43:59,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:43:59,307 INFO L82 PathProgramCache]: Analyzing trace with hash 53189795, now seen corresponding path program 1 times [2021-06-24 19:43:59,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:43:59,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753291222] [2021-06-24 19:43:59,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:43:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:43:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:43:59,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:43:59,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753291222] [2021-06-24 19:43:59,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753291222] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:43:59,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:43:59,416 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:43:59,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889898782] [2021-06-24 19:43:59,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:43:59,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:43:59,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:43:59,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:43:59,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:43:59,434 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:43:59,435 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-06-24 19:43:59,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:43:59,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:43:59,538 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-24 19:43:59,538 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:43:59,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:43:59,539 INFO L82 PathProgramCache]: Analyzing trace with hash 612720348, now seen corresponding path program 1 times [2021-06-24 19:43:59,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:43:59,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113821577] [2021-06-24 19:43:59,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:43:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:43:59,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:43:59,556 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:43:59,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113821577] [2021-06-24 19:43:59,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113821577] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:43:59,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:43:59,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 19:43:59,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738077365] [2021-06-24 19:43:59,558 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:43:59,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:43:59,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:43:59,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:43:59,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:43:59,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:43:59,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-06-24 19:43:59,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:43:59,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:43:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:43:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:43:59,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-24 19:43:59,626 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:43:59,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:43:59,626 INFO L82 PathProgramCache]: Analyzing trace with hash -507924832, now seen corresponding path program 1 times [2021-06-24 19:43:59,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:43:59,627 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81739352] [2021-06-24 19:43:59,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:43:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:43:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-24 19:43:59,818 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:43:59,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81739352] [2021-06-24 19:43:59,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81739352] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:43:59,818 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:43:59,818 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 19:43:59,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941045536] [2021-06-24 19:43:59,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 19:43:59,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:43:59,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 19:43:59,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 19:43:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:43:59,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:43:59,821 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 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) [2021-06-24 19:43:59,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:43:59,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:43:59,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:00,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:44:00,117 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-24 19:44:00,124 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork2 was SAFE (2/4) [2021-06-24 19:44:00,125 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-24 19:44:00,138 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:44:00,138 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:44:00,138 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:44:00,138 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:44:00,138 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:44:00,138 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:44:00,138 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:44:00,139 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork3======== [2021-06-24 19:44:00,141 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:44:00,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:44:00,142 INFO L82 PathProgramCache]: Analyzing trace with hash -424218018, now seen corresponding path program 1 times [2021-06-24 19:44:00,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:44:00,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875831468] [2021-06-24 19:44:00,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:44:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:44:00,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:44:00,175 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:44:00,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875831468] [2021-06-24 19:44:00,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875831468] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:44:00,176 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:44:00,176 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:44:00,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069517666] [2021-06-24 19:44:00,176 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:44:00,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:44:00,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:44:00,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:44:00,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:00,177 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:44:00,177 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) 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) [2021-06-24 19:44:00,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,274 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-24 19:44:00,274 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:44:00,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:44:00,275 INFO L82 PathProgramCache]: Analyzing trace with hash 413731415, now seen corresponding path program 1 times [2021-06-24 19:44:00,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:44:00,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071284198] [2021-06-24 19:44:00,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:44:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:44:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:44:00,310 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:44:00,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071284198] [2021-06-24 19:44:00,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071284198] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:44:00,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:44:00,310 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 19:44:00,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859801734] [2021-06-24 19:44:00,310 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:44:00,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:44:00,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:44:00,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:44:00,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:00,311 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:44:00,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-06-24 19:44:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:00,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-24 19:44:00,352 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:44:00,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:44:00,352 INFO L82 PathProgramCache]: Analyzing trace with hash 2142862715, now seen corresponding path program 1 times [2021-06-24 19:44:00,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:44:00,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39903104] [2021-06-24 19:44:00,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:44:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:44:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:44:00,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:44:00,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39903104] [2021-06-24 19:44:00,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39903104] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:44:00,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:44:00,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 19:44:00,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876320440] [2021-06-24 19:44:00,404 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 19:44:00,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:44:00,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 19:44:00,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 19:44:00,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:00,406 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:44:00,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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) [2021-06-24 19:44:00,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:44:00,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-24 19:44:00,506 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:44:00,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:44:00,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1367483516, now seen corresponding path program 1 times [2021-06-24 19:44:00,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:44:00,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688051781] [2021-06-24 19:44:00,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:44:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:44:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-24 19:44:00,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:44:00,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688051781] [2021-06-24 19:44:00,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688051781] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:44:00,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189611412] [2021-06-24 19:44:00,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:44:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:44:00,637 WARN L261 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-24 19:44:00,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 19:44:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-24 19:44:00,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189611412] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:44:00,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 19:44:00,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-24 19:44:00,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823533230] [2021-06-24 19:44:00,892 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-24 19:44:00,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:44:00,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-24 19:44:00,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-06-24 19:44:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:00,893 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:44:00,894 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 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) [2021-06-24 19:44:00,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:00,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:44:00,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:01,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:01,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:01,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:44:01,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-24 19:44:01,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:44:01,338 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork3 was SAFE (3/4) [2021-06-24 19:44:01,339 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:44:01,345 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:44:01,345 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:44:01,345 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:44:01,345 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:44:01,345 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:44:01,345 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:44:01,345 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:44:01,346 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork1======== [2021-06-24 19:44:01,348 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:44:01,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:44:01,348 INFO L82 PathProgramCache]: Analyzing trace with hash -299385644, now seen corresponding path program 1 times [2021-06-24 19:44:01,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:44:01,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388900882] [2021-06-24 19:44:01,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:44:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:44:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:44:01,369 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:44:01,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388900882] [2021-06-24 19:44:01,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388900882] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:44:01,370 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:44:01,370 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:44:01,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549259066] [2021-06-24 19:44:01,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:44:01,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:44:01,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:44:01,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:44:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:01,371 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:44:01,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-06-24 19:44:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:01,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:01,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-24 19:44:01,416 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:44:01,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:44:01,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1028569421, now seen corresponding path program 1 times [2021-06-24 19:44:01,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:44:01,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228022096] [2021-06-24 19:44:01,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:44:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:44:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:44:01,452 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:44:01,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228022096] [2021-06-24 19:44:01,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228022096] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:44:01,453 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:44:01,453 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 19:44:01,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436336753] [2021-06-24 19:44:01,453 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:44:01,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:44:01,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:44:01,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:44:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:01,454 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:44:01,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-06-24 19:44:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:01,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:01,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:01,493 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-24 19:44:01,494 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:44:01,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:44:01,494 INFO L82 PathProgramCache]: Analyzing trace with hash 641948970, now seen corresponding path program 1 times [2021-06-24 19:44:01,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:44:01,494 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643726973] [2021-06-24 19:44:01,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:44:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:44:01,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-24 19:44:01,569 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:44:01,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643726973] [2021-06-24 19:44:01,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643726973] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:44:01,570 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:44:01,570 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 19:44:01,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342371589] [2021-06-24 19:44:01,570 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 19:44:01,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:44:01,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 19:44:01,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 19:44:01,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:01,573 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:44:01,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 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) [2021-06-24 19:44:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:44:01,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:44:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:44:01,735 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-24 19:44:01,738 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork1 was SAFE (4/4) [2021-06-24 19:44:01,738 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-24 19:44:01,741 INFO L202 PluginConnector]: Adding new model bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 07:44:01 BasicIcfg [2021-06-24 19:44:01,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-24 19:44:01,742 INFO L168 Benchmark]: Toolchain (without parser) took 3359.30 ms. Allocated memory was 194.0 MB in the beginning and 240.1 MB in the end (delta: 46.1 MB). Free memory was 172.6 MB in the beginning and 157.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2021-06-24 19:44:01,742 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 194.0 MB. Free memory is still 173.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-24 19:44:01,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.69 ms. Allocated memory is still 194.0 MB. Free memory was 172.5 MB in the beginning and 170.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-24 19:44:01,746 INFO L168 Benchmark]: Boogie Preprocessor took 14.00 ms. Allocated memory is still 194.0 MB. Free memory was 170.7 MB in the beginning and 169.9 MB in the end (delta: 857.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-24 19:44:01,746 INFO L168 Benchmark]: RCFGBuilder took 314.93 ms. Allocated memory is still 194.0 MB. Free memory was 169.8 MB in the beginning and 157.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-24 19:44:01,747 INFO L168 Benchmark]: TraceAbstraction took 2989.35 ms. Allocated memory was 194.0 MB in the beginning and 240.1 MB in the end (delta: 46.1 MB). Free memory was 156.9 MB in the beginning and 157.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. [2021-06-24 19:44:01,748 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 0.13 ms. Allocated memory is still 194.0 MB. Free memory is still 173.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.69 ms. Allocated memory is still 194.0 MB. Free memory was 172.5 MB in the beginning and 170.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.00 ms. Allocated memory is still 194.0 MB. Free memory was 170.7 MB in the beginning and 169.9 MB in the end (delta: 857.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 314.93 ms. Allocated memory is still 194.0 MB. Free memory was 169.8 MB in the beginning and 157.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2989.35 ms. Allocated memory was 194.0 MB in the beginning and 240.1 MB in the end (delta: 46.1 MB). Free memory was 156.9 MB in the beginning and 157.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 663, positive: 551, positive conditional: 551, positive unconditional: 0, negative: 112, negative conditional: 112, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 583, positive: 551, positive conditional: 551, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 583, positive: 551, positive conditional: 0, positive unconditional: 551, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 108, positive: 101, positive conditional: 0, positive unconditional: 101, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 108, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 583, positive: 450, positive conditional: 0, positive unconditional: 450, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 108, unknown conditional: 0, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 101, Positive conditional cache size: 0, Positive unconditional cache size: 101, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 ], Maximal queried relation: 0, Independence queries for same thread: 80 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3751, positive: 3502, positive conditional: 3502, positive unconditional: 0, negative: 249, negative conditional: 249, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3540, positive: 3502, positive conditional: 3502, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3540, positive: 3295, positive conditional: 0, positive unconditional: 3295, negative: 245, negative conditional: 0, negative unconditional: 245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 199, positive: 183, positive conditional: 0, positive unconditional: 183, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 199, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 19, positive unconditional: 16, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 199, positive: 132, positive conditional: 63, positive unconditional: 69, negative: 68, negative conditional: 11, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3540, positive: 3112, positive conditional: 0, positive unconditional: 3112, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 199, unknown conditional: 0, unknown unconditional: 199] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 202, Positive conditional cache size: 19, Positive unconditional cache size: 183, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 400, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 193, negative conditional: 30, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 400, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 193, negative conditional: 30, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 19, positive unconditional: 16, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 199, positive: 132, positive conditional: 63, positive unconditional: 69, negative: 68, negative conditional: 11, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 400, positive: 188, positive conditional: 188, positive unconditional: 0, negative: 186, negative conditional: 23, negative unconditional: 163, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 202, Positive conditional cache size: 19, Positive unconditional cache size: 183, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 163, SemanticConditionEliminator.Independence Queries: [ total: 400, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 193, negative conditional: 30, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 400, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 193, negative conditional: 30, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 19, positive unconditional: 16, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 199, positive: 132, positive conditional: 63, positive unconditional: 69, negative: 68, negative conditional: 11, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 400, positive: 188, positive conditional: 188, positive unconditional: 0, negative: 186, negative conditional: 23, negative unconditional: 163, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 202, Positive conditional cache size: 19, Positive unconditional cache size: 183, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 163, SemanticConditionEliminator.Independence Queries: [ total: 400, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 193, negative conditional: 30, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 400, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 193, negative conditional: 30, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 19, positive unconditional: 16, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 199, positive: 132, positive conditional: 63, positive unconditional: 69, negative: 68, negative conditional: 11, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 400, positive: 188, positive conditional: 188, positive unconditional: 0, negative: 186, negative conditional: 23, negative unconditional: 163, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 202, Positive conditional cache size: 19, Positive unconditional cache size: 183, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 163 ], Maximal queried relation: 3, Independence queries for same thread: 211 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4145, positive: 3982, positive conditional: 3982, positive unconditional: 0, negative: 163, negative conditional: 163, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4024, positive: 3982, positive conditional: 3982, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4024, positive: 3778, positive conditional: 0, positive unconditional: 3778, negative: 246, negative conditional: 0, negative unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 221, positive: 203, positive conditional: 0, positive unconditional: 203, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 221, positive: 185, positive conditional: 0, positive unconditional: 185, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 38, positive conditional: 20, positive unconditional: 18, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 128, positive conditional: 45, positive unconditional: 83, negative: 48, negative conditional: 17, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4024, positive: 3575, positive conditional: 0, positive unconditional: 3575, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 221, unknown conditional: 0, unknown unconditional: 221] , Statistics on independence cache: Total cache size (in pairs): 257, Positive cache size: 223, Positive conditional cache size: 20, Positive unconditional cache size: 203, Negative cache size: 34, Negative conditional cache size: 16, Negative unconditional cache size: 18, SemanticConditionEliminator.Independence Queries: [ total: 418, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 214, negative conditional: 71, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 418, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 214, negative conditional: 71, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 38, positive conditional: 20, positive unconditional: 18, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 128, positive conditional: 45, positive unconditional: 83, negative: 48, negative conditional: 17, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 418, positive: 184, positive conditional: 184, positive unconditional: 0, negative: 198, negative conditional: 55, negative unconditional: 143, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 257, Positive cache size: 223, Positive conditional cache size: 20, Positive unconditional cache size: 203, Negative cache size: 34, Negative conditional cache size: 16, Negative unconditional cache size: 18, Eliminated conditions: 143, SemanticConditionEliminator.Independence Queries: [ total: 418, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 214, negative conditional: 71, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 418, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 214, negative conditional: 71, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 38, positive conditional: 20, positive unconditional: 18, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 128, positive conditional: 45, positive unconditional: 83, negative: 48, negative conditional: 17, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 418, positive: 184, positive conditional: 184, positive unconditional: 0, negative: 198, negative conditional: 55, negative unconditional: 143, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 257, Positive cache size: 223, Positive conditional cache size: 20, Positive unconditional cache size: 203, Negative cache size: 34, Negative conditional cache size: 16, Negative unconditional cache size: 18, Eliminated conditions: 143, SemanticConditionEliminator.Independence Queries: [ total: 418, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 214, negative conditional: 71, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 418, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 214, negative conditional: 71, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 38, positive conditional: 20, positive unconditional: 18, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 128, positive conditional: 45, positive unconditional: 83, negative: 48, negative conditional: 17, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 418, positive: 184, positive conditional: 184, positive unconditional: 0, negative: 198, negative conditional: 55, negative unconditional: 143, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 257, Positive cache size: 223, Positive conditional cache size: 20, Positive unconditional cache size: 203, Negative cache size: 34, Negative conditional cache size: 16, Negative unconditional cache size: 18, Eliminated conditions: 143, SemanticConditionEliminator.Independence Queries: [ total: 418, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 214, negative conditional: 71, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 418, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 214, negative conditional: 71, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 38, positive conditional: 20, positive unconditional: 18, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 128, positive conditional: 45, positive unconditional: 83, negative: 48, negative conditional: 17, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 418, positive: 184, positive conditional: 184, positive unconditional: 0, negative: 198, negative conditional: 55, negative unconditional: 143, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 257, Positive cache size: 223, Positive conditional cache size: 20, Positive unconditional cache size: 203, Negative cache size: 34, Negative conditional cache size: 16, Negative unconditional cache size: 18, Eliminated conditions: 143 ], Maximal queried relation: 4, Independence queries for same thread: 121 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3729, positive: 3477, positive conditional: 3477, positive unconditional: 0, negative: 252, negative conditional: 252, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3513, positive: 3477, positive conditional: 3477, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3513, positive: 3273, positive conditional: 0, positive unconditional: 3273, negative: 240, negative conditional: 0, negative unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 198, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 198, positive: 166, positive conditional: 0, positive unconditional: 166, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 19, positive unconditional: 16, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 71, positive conditional: 24, positive unconditional: 47, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3513, positive: 3091, positive conditional: 0, positive unconditional: 3091, negative: 224, negative conditional: 0, negative unconditional: 224, unknown: 198, unknown conditional: 0, unknown unconditional: 198] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 393, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 189, negative conditional: 29, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 393, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 189, negative conditional: 29, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 19, positive unconditional: 16, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 71, positive conditional: 24, positive unconditional: 47, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 393, positive: 185, positive conditional: 185, positive unconditional: 0, negative: 182, negative conditional: 22, negative unconditional: 160, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 160, SemanticConditionEliminator.Independence Queries: [ total: 393, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 189, negative conditional: 29, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 393, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 189, negative conditional: 29, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 19, positive unconditional: 16, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 71, positive conditional: 24, positive unconditional: 47, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 393, positive: 185, positive conditional: 185, positive unconditional: 0, negative: 182, negative conditional: 22, negative unconditional: 160, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 160, SemanticConditionEliminator.Independence Queries: [ total: 393, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 189, negative conditional: 29, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 393, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 189, negative conditional: 29, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 19, positive unconditional: 16, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 71, positive conditional: 24, positive unconditional: 47, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 393, positive: 185, positive conditional: 185, positive unconditional: 0, negative: 182, negative conditional: 22, negative unconditional: 160, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 201, Positive conditional cache size: 19, Positive unconditional cache size: 182, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 160 ], Maximal queried relation: 3, Independence queries for same thread: 216 - PositiveResult [Line: 34]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 373.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.9ms, PartialOrderReductionTime: 266.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 831.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 467.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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: 4.8ms SsaConstructionTime, 55.2ms SatisfiabilityAnalysisTime, 196.9ms InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 12/12 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork3 with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1212.2ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 454.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, 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: 8.8ms SsaConstructionTime, 43.6ms SatisfiabilityAnalysisTime, 406.2ms InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 445 SizeOfPredicates, 1 NumberOfNonLiveVariables, 63 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 27/40 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 397.5ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 242.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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: 1.6ms SsaConstructionTime, 18.0ms SatisfiabilityAnalysisTime, 84.2ms InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 12/12 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...