/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 10:40:02,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 10:40:02,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 10:40:02,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 10:40:02,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 10:40:02,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 10:40:02,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 10:40:02,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 10:40:02,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 10:40:02,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 10:40:02,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 10:40:02,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 10:40:02,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 10:40:02,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 10:40:02,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 10:40:02,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 10:40:02,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 10:40:02,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 10:40:02,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 10:40:02,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 10:40:02,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 10:40:02,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 10:40:02,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 10:40:02,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 10:40:02,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 10:40:02,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 10:40:02,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 10:40:02,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 10:40:02,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 10:40:02,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 10:40:02,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 10:40:02,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 10:40:02,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 10:40:02,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 10:40:02,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 10:40:02,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 10:40:02,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 10:40:02,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 10:40:02,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 10:40:02,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 10:40:02,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 10:40:02,221 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-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 10:40:02,241 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 10:40:02,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 10:40:02,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 10:40:02,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 10:40:02,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 10:40:02,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 10:40:02,243 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 10:40:02,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 10:40:02,244 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 10:40:02,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 10:40:02,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 10:40:02,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 10:40:02,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 10:40:02,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 10:40:02,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 10:40:02,245 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 10:40:02,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 10:40:02,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 10:40:02,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 10:40:02,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 10:40:02,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 10:40:02,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 10:40:02,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 10:40:02,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 10:40:02,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 10:40:02,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 10:40:02,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 10:40:02,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 10:40:02,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 10:40:02,246 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 10:40:02,247 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 10:40:02,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 10:40:02,247 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 10:40:02,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 10:40:02,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 10:40:02,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 10:40:02,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 10:40:02,535 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 10:40:02,537 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 10:40:02,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl [2021-07-14 10:40:02,538 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl' [2021-07-14 10:40:02,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 10:40:02,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 10:40:02,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 10:40:02,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 10:40:02,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 10:40:02,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:40:02" (1/1) ... [2021-07-14 10:40:02,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:40:02" (1/1) ... [2021-07-14 10:40:02,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 10:40:02,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 10:40:02,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 10:40:02,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 10:40:02,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:40:02" (1/1) ... [2021-07-14 10:40:02,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:40:02" (1/1) ... [2021-07-14 10:40:02,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:40:02" (1/1) ... [2021-07-14 10:40:02,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:40:02" (1/1) ... [2021-07-14 10:40:02,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:40:02" (1/1) ... [2021-07-14 10:40:02,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:40:02" (1/1) ... [2021-07-14 10:40:02,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:40:02" (1/1) ... [2021-07-14 10:40:02,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 10:40:02,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 10:40:02,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 10:40:02,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 10:40:02,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:40:02" (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 [2021-07-14 10:40:02,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 10:40:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 10:40:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 10:40:02,646 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 10:40:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 10:40:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 10:40:02,646 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 10:40:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 10:40:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 10:40:02,648 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 10:40:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 10:40:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 10:40:02,649 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 10:40:02,755 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 10:40:02,755 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 10:40:02,756 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:40:02 BoogieIcfgContainer [2021-07-14 10:40:02,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 10:40:02,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 10:40:02,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 10:40:02,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 10:40:02,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:40:02" (1/2) ... [2021-07-14 10:40:02,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c0b77d and model type misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:40:02, skipping insertion in model container [2021-07-14 10:40:02,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:40:02" (2/2) ... [2021-07-14 10:40:02,761 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-4.wvr.bpl [2021-07-14 10:40:02,764 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 10:40:02,764 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 10:40:02,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 10:40:02,765 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 10:40:02,807 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 10:40:02,823 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 [2021-07-14 10:40:02,914 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 10:40:02,914 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 10:40:02,915 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 10:40:02,915 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 10:40:02,917 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 10:40:02,917 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 10:40:02,918 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 10:40:02,918 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 10:40:03,122 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:40:03,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:40:03,125 INFO L82 PathProgramCache]: Analyzing trace with hash -634894818, now seen corresponding path program 1 times [2021-07-14 10:40:03,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:40:03,131 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590981905] [2021-07-14 10:40:03,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:40:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:40:03,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:40:03,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:40:03,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590981905] [2021-07-14 10:40:03,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590981905] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:40:03,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:40:03,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 10:40:03,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238110274] [2021-07-14 10:40:03,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 10:40:03,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:40:03,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 10:40:03,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 10:40:03,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:03,253 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:40:03,255 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-07-14 10:40:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:03,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 10:40:03,317 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:40:03,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:40:03,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1509355466, now seen corresponding path program 2 times [2021-07-14 10:40:03,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:40:03,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641059732] [2021-07-14 10:40:03,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:40:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:40:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:40:03,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:40:03,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641059732] [2021-07-14 10:40:03,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641059732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:40:03,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962053190] [2021-07-14 10:40:03,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:40:03,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:40:03,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:40:03,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 10:40:03,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:40:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:40:03,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962053190] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:40:03,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:40:03,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-14 10:40:03,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099651290] [2021-07-14 10:40:03,509 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 10:40:03,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:40:03,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 10:40:03,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 10:40:03,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:03,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:40:03,516 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-07-14 10:40:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:03,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:03,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:40:03,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:40:03,897 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:40:03,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:40:03,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1886277382, now seen corresponding path program 1 times [2021-07-14 10:40:03,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:40:03,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782611103] [2021-07-14 10:40:03,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:40:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:40:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 10:40:03,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:40:03,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782611103] [2021-07-14 10:40:03,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782611103] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:40:03,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:40:03,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 10:40:03,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234130283] [2021-07-14 10:40:03,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 10:40:03,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:40:03,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 10:40:03,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 10:40:03,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:03,932 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:40:03,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:40:03,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:03,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:40:03,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:03,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:03,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:40:03,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:03,956 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 10:40:03,957 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:40:03,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:40:03,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1474491938, now seen corresponding path program 2 times [2021-07-14 10:40:03,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:40:03,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922856132] [2021-07-14 10:40:03,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:40:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:40:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 10:40:04,001 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:40:04,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922856132] [2021-07-14 10:40:04,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922856132] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:40:04,002 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:40:04,002 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 10:40:04,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651705122] [2021-07-14 10:40:04,002 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 10:40:04,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:40:04,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 10:40:04,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 10:40:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:04,003 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:40:04,003 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-07-14 10:40:04,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:40:04,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:04,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:40:04,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:40:04,027 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 10:40:04,027 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:40:04,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:40:04,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1553888450, now seen corresponding path program 1 times [2021-07-14 10:40:04,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:40:04,027 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126689089] [2021-07-14 10:40:04,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:40:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:40:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 10:40:04,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:40:04,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126689089] [2021-07-14 10:40:04,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126689089] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:40:04,040 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:40:04,040 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 10:40:04,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897483577] [2021-07-14 10:40:04,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 10:40:04,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:40:04,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 10:40:04,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 10:40:04,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:04,041 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:40:04,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-07-14 10:40:04,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:40:04,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:40:04,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:40:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:40:04,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 10:40:04,057 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:40:04,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:40:04,057 INFO L82 PathProgramCache]: Analyzing trace with hash -2018615070, now seen corresponding path program 2 times [2021-07-14 10:40:04,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:40:04,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411304404] [2021-07-14 10:40:04,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:40:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:40:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 10:40:04,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:40:04,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411304404] [2021-07-14 10:40:04,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411304404] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:40:04,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297271533] [2021-07-14 10:40:04,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:40:04,178 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:40:04,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:40:04,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 10:40:04,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:40:04,276 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 10:40:04,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297271533] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:40:04,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:40:04,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-14 10:40:04,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139454838] [2021-07-14 10:40:04,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 10:40:04,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:40:04,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 10:40:04,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-14 10:40:04,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:04,278 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:40:04,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-07-14 10:40:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:40:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:40:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:40:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:40:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:40:04,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:40:04,597 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:40:04,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:40:04,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1344463474, now seen corresponding path program 3 times [2021-07-14 10:40:04,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:40:04,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624859454] [2021-07-14 10:40:04,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:40:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:40:04,622 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-07-14 10:40:04,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:40:04,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624859454] [2021-07-14 10:40:04,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624859454] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:40:04,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796412399] [2021-07-14 10:40:04,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2021-07-14 10:40:04,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 10:40:04,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:40:04,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 10:40:04,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:40:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-07-14 10:40:04,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796412399] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:40:04,701 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:40:04,701 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 10:40:04,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116832301] [2021-07-14 10:40:04,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 10:40:04,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:40:04,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 10:40:04,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 10:40:04,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:04,702 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:40:04,702 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-07-14 10:40:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:40:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:40:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:40:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:40:04,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:40:04,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:40:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:40:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:40:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:40:04,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:40:04,958 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 10:40:04,959 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 10:40:04 BasicIcfg [2021-07-14 10:40:04,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 10:40:04,960 INFO L168 Benchmark]: Toolchain (without parser) took 2405.32 ms. Allocated memory is still 210.8 MB. Free memory was 189.9 MB in the beginning and 113.8 MB in the end (delta: 76.1 MB). Peak memory consumption was 76.0 MB. Max. memory is 8.0 GB. [2021-07-14 10:40:04,960 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 210.8 MB. Free memory is still 190.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 10:40:04,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.14 ms. Allocated memory is still 210.8 MB. Free memory was 189.8 MB in the beginning and 188.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 10:40:04,960 INFO L168 Benchmark]: Boogie Preprocessor took 12.08 ms. Allocated memory is still 210.8 MB. Free memory was 188.4 MB in the beginning and 187.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 10:40:04,960 INFO L168 Benchmark]: RCFGBuilder took 166.62 ms. Allocated memory is still 210.8 MB. Free memory was 187.3 MB in the beginning and 176.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-14 10:40:04,960 INFO L168 Benchmark]: TraceAbstraction took 2202.13 ms. Allocated memory is still 210.8 MB. Free memory was 176.0 MB in the beginning and 113.8 MB in the end (delta: 62.1 MB). Peak memory consumption was 62.3 MB. Max. memory is 8.0 GB. [2021-07-14 10:40:04,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 210.8 MB. Free memory is still 190.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.14 ms. Allocated memory is still 210.8 MB. Free memory was 189.8 MB in the beginning and 188.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.08 ms. Allocated memory is still 210.8 MB. Free memory was 188.4 MB in the beginning and 187.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 166.62 ms. Allocated memory is still 210.8 MB. Free memory was 187.3 MB in the beginning and 176.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2202.13 ms. Allocated memory is still 210.8 MB. Free memory was 176.0 MB in the beginning and 113.8 MB in the end (delta: 62.1 MB). Peak memory consumption was 62.3 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: 3325, positive: 2858, positive conditional: 2262, positive unconditional: 596, negative: 467, negative conditional: 451, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2995, positive: 2858, positive conditional: 2262, positive unconditional: 596, negative: 137, negative conditional: 121, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2995, positive: 2368, positive conditional: 0, positive unconditional: 2368, negative: 627, negative conditional: 0, negative unconditional: 627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 379, positive: 365, positive conditional: 0, positive unconditional: 365, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 379, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2995, positive: 2003, positive conditional: 0, positive unconditional: 2003, negative: 613, negative conditional: 0, negative unconditional: 613, unknown: 379, unknown conditional: 0, unknown unconditional: 379] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975 ], Maximal queried relation: 7, Independence queries for same thread: 330 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 167, Number of persistent set computation: 55, Number of trivial persistent sets: 15, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3325, positive: 2858, positive conditional: 2262, positive unconditional: 596, negative: 467, negative conditional: 451, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2995, positive: 2858, positive conditional: 2262, positive unconditional: 596, negative: 137, negative conditional: 121, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2995, positive: 2368, positive conditional: 0, positive unconditional: 2368, negative: 627, negative conditional: 0, negative unconditional: 627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 379, positive: 365, positive conditional: 0, positive unconditional: 365, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 379, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2995, positive: 2003, positive conditional: 0, positive unconditional: 2003, negative: 613, negative conditional: 0, negative unconditional: 613, unknown: 379, unknown conditional: 0, unknown unconditional: 379] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 92, positive conditional: 63, positive unconditional: 29, negative: 103, negative conditional: 14, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975 ], Maximal queried relation: 7, Independence queries for same thread: 330 - PositiveResult [Line: 62]: 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, 48 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2114.6ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.1ms, PartialOrderReductionTime: 616.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, 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: 19.1ms SsaConstructionTime, 104.0ms SatisfiabilityAnalysisTime, 452.8ms InterpolantComputationTime, 316 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 306 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 SizeOfPredicates, 2 NumberOfNonLiveVariables, 179 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 181/207 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...