/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-dist.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 21:40:44,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 21:40:44,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 21:40:44,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 21:40:44,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 21:40:44,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 21:40:44,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 21:40:44,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 21:40:44,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 21:40:44,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 21:40:44,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 21:40:44,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 21:40:44,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 21:40:44,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 21:40:44,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 21:40:44,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 21:40:44,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 21:40:44,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 21:40:44,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 21:40:44,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 21:40:44,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 21:40:44,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 21:40:44,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 21:40:44,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 21:40:44,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-13 21:40:44,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-13 21:40:44,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-13 21:40:44,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-13 21:40:44,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-13 21:40:44,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-13 21:40:44,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 21:40:44,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 21:40:44,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 21:40:44,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 21:40:44,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 21:40:44,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 21:40:44,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 21:40:44,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 21:40:44,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 21:40:44,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 21:40:44,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 21:40:44,298 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-Lockstep.epf [2021-06-13 21:40:44,324 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 21:40:44,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 21:40:44,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 21:40:44,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 21:40:44,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 21:40:44,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 21:40:44,327 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 21:40:44,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 21:40:44,327 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 21:40:44,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 21:40:44,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 21:40:44,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 21:40:44,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 21:40:44,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 21:40:44,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 21:40:44,328 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 21:40:44,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 21:40:44,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 21:40:44,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 21:40:44,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 21:40:44,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 21:40:44,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 21:40:44,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 21:40:44,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 21:40:44,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 21:40:44,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 21:40:44,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 21:40:44,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 21:40:44,329 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-13 21:40:44,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 21:40:44,330 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 21:40:44,330 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 21:40:44,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 21:40:44,330 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 21:40:44,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 21:40:44,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 21:40:44,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 21:40:44,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 21:40:44,556 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 21:40:44,557 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 21:40:44,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-dist.wvr.bpl [2021-06-13 21:40:44,558 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-dist.wvr.bpl' [2021-06-13 21:40:44,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 21:40:44,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 21:40:44,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 21:40:44,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 21:40:44,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 21:40:44,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:40:44" (1/1) ... [2021-06-13 21:40:44,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:40:44" (1/1) ... [2021-06-13 21:40:44,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 21:40:44,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 21:40:44,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 21:40:44,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 21:40:44,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:40:44" (1/1) ... [2021-06-13 21:40:44,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:40:44" (1/1) ... [2021-06-13 21:40:44,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:40:44" (1/1) ... [2021-06-13 21:40:44,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:40:44" (1/1) ... [2021-06-13 21:40:44,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:40:44" (1/1) ... [2021-06-13 21:40:44,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:40:44" (1/1) ... [2021-06-13 21:40:44,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:40:44" (1/1) ... [2021-06-13 21:40:44,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 21:40:44,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 21:40:44,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 21:40:44,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 21:40:44,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:40:44" (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 [2021-06-13 21:40:44,681 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 21:40:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 21:40:44,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 21:40:44,682 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 21:40:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 21:40:44,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 21:40:44,682 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 21:40:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 21:40:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 21:40:44,683 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 21:40:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 21:40:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 21:40:44,684 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 21:40:44,895 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 21:40:44,895 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 21:40:44,896 INFO L202 PluginConnector]: Adding new model mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 09:40:44 BoogieIcfgContainer [2021-06-13 21:40:44,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 21:40:44,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 21:40:44,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 21:40:44,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 21:40:44,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:40:44" (1/2) ... [2021-06-13 21:40:44,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51eadaba and model type mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 09:40:44, skipping insertion in model container [2021-06-13 21:40:44,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 09:40:44" (2/2) ... [2021-06-13 21:40:44,901 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.bpl [2021-06-13 21:40:44,905 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 21:40:44,905 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 21:40:44,905 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 21:40:44,906 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 21:40:44,975 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-13 21:40:45,006 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 [2021-06-13 21:40:45,069 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 21:40:45,069 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 21:40:45,069 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 21:40:45,069 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 21:40:45,069 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 21:40:45,069 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 21:40:45,070 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 21:40:45,070 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 21:40:45,131 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 21:40:45,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 21:40:45,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1738016368, now seen corresponding path program 1 times [2021-06-13 21:40:45,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 21:40:45,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908183062] [2021-06-13 21:40:45,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 21:40:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 21:40:45,363 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 21:40:45,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 21:40:45,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908183062] [2021-06-13 21:40:45,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908183062] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:40:45,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059407700] [2021-06-13 21:40:45,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:40:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 21:40:45,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-13 21:40:45,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 21:40:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 21:40:45,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059407700] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:40:45,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 21:40:45,789 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2021-06-13 21:40:45,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930652855] [2021-06-13 21:40:45,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-13 21:40:45,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 21:40:45,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-13 21:40:45,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2021-06-13 21:40:45,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:40:45,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 21:40:45,810 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 16 states have internal predecessors, (54), 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) [2021-06-13 21:40:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:40:46,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-13 21:40:46,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-13 21:40:46,789 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 21:40:46,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 21:40:46,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1124993242, now seen corresponding path program 2 times [2021-06-13 21:40:46,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 21:40:46,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937037622] [2021-06-13 21:40:46,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 21:40:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 21:40:46,992 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 37 proven. 99 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-13 21:40:46,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 21:40:46,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937037622] [2021-06-13 21:40:46,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937037622] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:40:46,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498998952] [2021-06-13 21:40:46,995 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 [2021-06-13 21:40:47,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 21:40:47,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 21:40:47,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-13 21:40:47,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 21:40:47,656 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 45 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 21:40:47,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498998952] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:40:47,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 21:40:47,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22] total 35 [2021-06-13 21:40:47,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032154231] [2021-06-13 21:40:47,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-13 21:40:47,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 21:40:47,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-13 21:40:47,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1038, Unknown=0, NotChecked=0, Total=1260 [2021-06-13 21:40:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:40:47,660 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 21:40:47,660 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.9166666666666665) internal successors, (105), 35 states have internal predecessors, (105), 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) [2021-06-13 21:40:47,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-13 21:40:47,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:40:49,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:40:49,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-13 21:40:49,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:40:49,858 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 21:40:49,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 21:40:49,858 INFO L82 PathProgramCache]: Analyzing trace with hash -745663948, now seen corresponding path program 3 times [2021-06-13 21:40:49,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 21:40:49,859 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340971775] [2021-06-13 21:40:49,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 21:40:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 21:40:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 70 proven. 357 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-06-13 21:40:50,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 21:40:50,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340971775] [2021-06-13 21:40:50,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340971775] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:40:50,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505410885] [2021-06-13 21:40:50,087 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 [2021-06-13 21:40:50,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-13 21:40:50,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 21:40:50,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-13 21:40:50,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 21:40:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 81 proven. 401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 21:40:51,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505410885] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:40:51,381 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 21:40:51,381 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 38] total 56 [2021-06-13 21:40:51,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775744821] [2021-06-13 21:40:51,382 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-06-13 21:40:51,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 21:40:51,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-06-13 21:40:51,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=2770, Unknown=0, NotChecked=0, Total=3192 [2021-06-13 21:40:51,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:40:51,383 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 21:40:51,383 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 2.6666666666666665) internal successors, (152), 56 states have internal predecessors, (152), 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) [2021-06-13 21:40:51,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:40:51,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-06-13 21:40:51,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:40:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:40:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:40:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-13 21:40:57,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:40:57,445 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 21:40:57,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 21:40:57,445 INFO L82 PathProgramCache]: Analyzing trace with hash 357956456, now seen corresponding path program 4 times [2021-06-13 21:40:57,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 21:40:57,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385697162] [2021-06-13 21:40:57,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 21:40:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 21:40:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 331 proven. 864 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-06-13 21:40:57,826 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 21:40:57,826 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385697162] [2021-06-13 21:40:57,826 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385697162] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:40:57,826 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816074937] [2021-06-13 21:40:57,826 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:40:57,888 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 21:40:57,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 21:40:57,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-13 21:40:57,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 21:41:00,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 353 proven. 1004 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 21:41:00,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816074937] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:41:00,192 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 21:41:00,192 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 63] total 87 [2021-06-13 21:41:00,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857051124] [2021-06-13 21:41:00,193 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-06-13 21:41:00,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 21:41:00,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-06-13 21:41:00,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1031, Invalid=6625, Unknown=0, NotChecked=0, Total=7656 [2021-06-13 21:41:00,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:41:00,195 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 21:41:00,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 2.6931818181818183) internal successors, (237), 87 states have internal predecessors, (237), 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) [2021-06-13 21:41:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:41:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:41:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-13 21:41:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:41:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:41:11,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:41:11,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-06-13 21:41:11,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2021-06-13 21:41:11,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:41:11,394 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 21:41:11,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 21:41:11,394 INFO L82 PathProgramCache]: Analyzing trace with hash 653406664, now seen corresponding path program 5 times [2021-06-13 21:41:11,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 21:41:11,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309815908] [2021-06-13 21:41:11,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 21:41:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 21:41:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 1180 proven. 2276 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-06-13 21:41:12,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 21:41:12,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309815908] [2021-06-13 21:41:12,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309815908] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:41:12,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460971848] [2021-06-13 21:41:12,094 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:41:12,218 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-06-13 21:41:12,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 21:41:12,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 107 conjunts are in the unsatisfiable core [2021-06-13 21:41:12,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 21:41:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 1221 proven. 2535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 21:41:17,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460971848] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:41:17,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 21:41:17,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 104] total 144 [2021-06-13 21:41:17,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840280055] [2021-06-13 21:41:17,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 145 states [2021-06-13 21:41:17,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 21:41:17,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2021-06-13 21:41:17,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2926, Invalid=17954, Unknown=0, NotChecked=0, Total=20880 [2021-06-13 21:41:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:41:17,606 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 21:41:17,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 145 states, 145 states have (on average 2.6758620689655173) internal successors, (388), 144 states have internal predecessors, (388), 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) [2021-06-13 21:41:17,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:41:17,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:41:17,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-06-13 21:41:17,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2021-06-13 21:41:17,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:41:37,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:41:37,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:41:37,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-06-13 21:41:37,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2021-06-13 21:41:37,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2021-06-13 21:41:37,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:41:37,745 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 21:41:37,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 21:41:37,745 INFO L82 PathProgramCache]: Analyzing trace with hash -199865474, now seen corresponding path program 6 times [2021-06-13 21:41:37,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 21:41:37,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883078083] [2021-06-13 21:41:37,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 21:41:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 21:41:39,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8798 backedges. 3169 proven. 5117 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2021-06-13 21:41:39,180 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 21:41:39,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883078083] [2021-06-13 21:41:39,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883078083] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:41:39,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538385033] [2021-06-13 21:41:39,180 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:41:39,315 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 37 check-sat command(s) [2021-06-13 21:41:39,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 21:41:39,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 161 conjunts are in the unsatisfiable core [2021-06-13 21:41:39,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 21:41:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 8798 backedges. 3235 proven. 5563 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 21:41:50,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538385033] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:41:50,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 21:41:50,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 158] total 219 [2021-06-13 21:41:50,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871828842] [2021-06-13 21:41:50,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 220 states [2021-06-13 21:41:50,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 21:41:50,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2021-06-13 21:41:50,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7080, Invalid=41100, Unknown=0, NotChecked=0, Total=48180 [2021-06-13 21:41:50,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:41:50,770 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 21:41:50,771 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 220 states, 220 states have (on average 2.6772727272727272) internal successors, (589), 219 states have internal predecessors, (589), 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) [2021-06-13 21:41:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:41:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:41:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-06-13 21:41:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2021-06-13 21:41:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2021-06-13 21:41:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:42:29,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:42:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:42:29,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-06-13 21:42:29,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2021-06-13 21:42:29,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 454 states. [2021-06-13 21:42:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 473 states. [2021-06-13 21:42:29,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:42:29,343 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 21:42:29,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 21:42:29,343 INFO L82 PathProgramCache]: Analyzing trace with hash 37826042, now seen corresponding path program 7 times [2021-06-13 21:42:29,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 21:42:29,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221019354] [2021-06-13 21:42:29,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 21:42:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 21:42:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 20851 backedges. 7154 proven. 12319 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2021-06-13 21:42:32,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 21:42:32,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221019354] [2021-06-13 21:42:32,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221019354] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:42:32,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439697981] [2021-06-13 21:42:32,235 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:42:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 21:42:32,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 244 conjunts are in the unsatisfiable core [2021-06-13 21:42:32,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 21:42:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 20851 backedges. 7253 proven. 13598 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 21:42:56,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439697981] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:42:56,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 21:42:56,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 241] total 332 [2021-06-13 21:42:56,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566898612] [2021-06-13 21:42:56,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 333 states [2021-06-13 21:42:56,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 21:42:56,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 333 interpolants. [2021-06-13 21:42:56,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15430, Invalid=95126, Unknown=0, NotChecked=0, Total=110556 [2021-06-13 21:42:56,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:42:56,593 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 21:42:56,593 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 333 states, 333 states have (on average 2.6426426426426426) internal successors, (880), 332 states have internal predecessors, (880), 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) [2021-06-13 21:42:56,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:42:56,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:42:56,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-06-13 21:42:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2021-06-13 21:42:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 454 states. [2021-06-13 21:42:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 473 states. [2021-06-13 21:42:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:43:44,153 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 20 [2021-06-13 21:43:51,627 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 20 [2021-06-13 21:43:54,172 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 19 [2021-06-13 21:43:54,787 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 20 [2021-06-13 21:43:56,205 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 20 [2021-06-13 21:43:58,092 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 20 [2021-06-13 21:43:58,628 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 20 [2021-06-13 21:43:58,930 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 19 [2021-06-13 21:43:59,279 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 20 [2021-06-13 21:43:59,615 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 20 [2021-06-13 21:43:59,866 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 22 [2021-06-13 21:44:00,154 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2021-06-13 21:44:00,368 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2021-06-13 21:44:00,599 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2021-06-13 21:44:00,901 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 22 [2021-06-13 21:44:01,160 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2021-06-13 21:44:01,477 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 19 [2021-06-13 21:44:01,854 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2021-06-13 21:44:02,201 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2021-06-13 21:44:02,466 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2021-06-13 21:44:02,766 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2021-06-13 21:44:02,978 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2021-06-13 21:44:03,213 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2021-06-13 21:44:03,540 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2021-06-13 21:44:03,817 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2021-06-13 21:44:04,177 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2021-06-13 21:44:04,512 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 20 [2021-06-13 21:44:04,877 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 20 [2021-06-13 21:44:05,142 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2021-06-13 21:44:05,456 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2021-06-13 21:44:05,677 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2021-06-13 21:44:05,921 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2021-06-13 21:44:06,245 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2021-06-13 21:44:06,562 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2021-06-13 21:44:06,902 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2021-06-13 21:44:07,248 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-06-13 21:44:07,621 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-06-13 21:44:07,886 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2021-06-13 21:44:08,219 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-06-13 21:44:08,447 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-06-13 21:44:08,703 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2021-06-13 21:44:09,078 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2021-06-13 21:44:09,324 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 18 [2021-06-13 21:44:09,566 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2021-06-13 21:44:09,973 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2021-06-13 21:44:10,345 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2021-06-13 21:44:10,565 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 18 [2021-06-13 21:44:10,837 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2021-06-13 21:44:11,067 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2021-06-13 21:44:11,388 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 20 [2021-06-13 21:44:11,670 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 20 [2021-06-13 21:44:12,109 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 20 [2021-06-13 21:44:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:44:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:44:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-06-13 21:44:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2021-06-13 21:44:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 454 states. [2021-06-13 21:44:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 657 states. [2021-06-13 21:44:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 781 states. [2021-06-13 21:44:30,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-13 21:44:30,977 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 21:44:30,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 21:44:30,977 INFO L82 PathProgramCache]: Analyzing trace with hash 858112294, now seen corresponding path program 8 times [2021-06-13 21:44:30,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 21:44:30,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569071356] [2021-06-13 21:44:30,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 21:44:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 21:44:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 46610 backedges. 17101 proven. 26621 refuted. 0 times theorem prover too weak. 2888 trivial. 0 not checked. [2021-06-13 21:44:37,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 21:44:37,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569071356] [2021-06-13 21:44:37,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569071356] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:44:37,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118371044] [2021-06-13 21:44:37,102 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:44:37,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 21:44:37,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 21:44:37,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 363 conjunts are in the unsatisfiable core [2021-06-13 21:44:37,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 21:45:30,005 INFO L134 CoverageAnalysis]: Checked inductivity of 46610 backedges. 17253 proven. 29357 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 21:45:30,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118371044] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:45:30,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 21:45:30,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [134, 360] total 493 [2021-06-13 21:45:30,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447539786] [2021-06-13 21:45:30,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 494 states [2021-06-13 21:45:30,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 21:45:30,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 494 interpolants. [2021-06-13 21:45:30,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34851, Invalid=208691, Unknown=0, NotChecked=0, Total=243542 [2021-06-13 21:45:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:45:30,026 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 21:45:30,027 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 494 states, 494 states have (on average 2.6497975708502026) internal successors, (1309), 493 states have internal predecessors, (1309), 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) [2021-06-13 21:45:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:45:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:45:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-06-13 21:45:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2021-06-13 21:45:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 454 states. [2021-06-13 21:45:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 657 states. [2021-06-13 21:45:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 781 states. [2021-06-13 21:45:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:47:12,180 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 22 [2021-06-13 21:47:30,983 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 21 [2021-06-13 21:47:35,094 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 21 [2021-06-13 21:47:36,429 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 21 [2021-06-13 21:47:36,900 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 21 [2021-06-13 21:47:37,234 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 20 [2021-06-13 21:47:37,629 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 20 [2021-06-13 21:47:37,922 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 21 [2021-06-13 21:47:38,910 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 22 [2021-06-13 21:47:39,304 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 21 [2021-06-13 21:47:39,736 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 21 [2021-06-13 21:47:40,129 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2021-06-13 21:47:40,554 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2021-06-13 21:47:40,856 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 21 [2021-06-13 21:47:41,182 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 22 [2021-06-13 21:47:41,542 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 22 [2021-06-13 21:47:41,878 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2021-06-13 21:47:42,284 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 21 [2021-06-13 21:47:42,781 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 21 [2021-06-13 21:47:43,137 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 20 [2021-06-13 21:47:43,583 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 20 [2021-06-13 21:47:43,897 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 21 [2021-06-13 21:47:44,233 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 22 [2021-06-13 21:47:44,595 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2021-06-13 21:47:44,942 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2021-06-13 21:47:45,361 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-06-13 21:47:45,861 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-06-13 21:47:46,228 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-06-13 21:47:46,675 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-06-13 21:47:46,990 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-06-13 21:47:47,339 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2021-06-13 21:47:47,708 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2021-06-13 21:47:48,058 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2021-06-13 21:47:48,547 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 21 [2021-06-13 21:47:49,028 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 21 [2021-06-13 21:47:49,418 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 20 [2021-06-13 21:47:49,884 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 20 [2021-06-13 21:47:50,218 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 21 [2021-06-13 21:47:50,587 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-06-13 21:47:50,981 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2021-06-13 21:47:51,404 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2021-06-13 21:47:51,854 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2021-06-13 21:47:52,350 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2021-06-13 21:47:52,757 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 20 [2021-06-13 21:47:53,264 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 20 [2021-06-13 21:47:53,622 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2021-06-13 21:47:53,997 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2021-06-13 21:47:54,529 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2021-06-13 21:47:54,913 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2021-06-13 21:47:55,370 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2021-06-13 21:47:55,870 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2021-06-13 21:47:56,289 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 20 [2021-06-13 21:47:56,800 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 20 [2021-06-13 21:47:57,190 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2021-06-13 21:47:57,568 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 22 [2021-06-13 21:47:57,983 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2021-06-13 21:47:58,369 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2021-06-13 21:47:58,842 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 21 [2021-06-13 21:47:59,358 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 21 [2021-06-13 21:47:59,794 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 20 [2021-06-13 21:48:00,364 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 20 [2021-06-13 21:48:00,724 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 21 [2021-06-13 21:48:01,125 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 22 [2021-06-13 21:48:01,563 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2021-06-13 21:48:01,966 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 22 [2021-06-13 21:48:02,450 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 21 [2021-06-13 21:48:03,020 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 21 [2021-06-13 21:48:03,482 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 20 [2021-06-13 21:48:04,042 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 20 [2021-06-13 21:48:04,409 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 21 [2021-06-13 21:48:04,818 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 22 [2021-06-13 21:48:05,265 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 22 [2021-06-13 21:48:05,730 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 22 [2021-06-13 21:48:06,230 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 21 [2021-06-13 21:48:06,824 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 21 [2021-06-13 21:48:07,319 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 20 [2021-06-13 21:48:07,887 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 20 [2021-06-13 21:48:08,268 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 21 [2021-06-13 21:48:08,739 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 22 [2021-06-13 21:48:09,204 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 22 [2021-06-13 21:48:09,626 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 22 [2021-06-13 21:48:10,136 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 21 [2021-06-13 21:48:10,701 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 21 [2021-06-13 21:48:11,186 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 20 [2021-06-13 21:48:11,826 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 20 [2021-06-13 21:48:12,208 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 21 [2021-06-13 21:48:12,636 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 22 [2021-06-13 21:48:13,110 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 22 [2021-06-13 21:48:13,560 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2021-06-13 21:48:14,114 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-06-13 21:48:14,685 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-06-13 21:48:15,200 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-06-13 21:48:15,808 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-06-13 21:48:16,200 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-06-13 21:48:16,654 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 22 [2021-06-13 21:48:17,179 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2021-06-13 21:48:17,627 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 22 [2021-06-13 21:48:18,155 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 21 [2021-06-13 21:48:18,744 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 21 [2021-06-13 21:48:19,264 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 20 [2021-06-13 21:48:19,941 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 20 [2021-06-13 21:48:20,347 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 21 [2021-06-13 21:48:20,810 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 22 [2021-06-13 21:48:21,335 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 22 [2021-06-13 21:48:21,810 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 22 [2021-06-13 21:48:22,440 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 21 [2021-06-13 21:48:23,047 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 21 [2021-06-13 21:48:23,586 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 20 [2021-06-13 21:48:24,282 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 20 [2021-06-13 21:48:24,702 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 21 [2021-06-13 21:48:25,208 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 22 [2021-06-13 21:48:25,731 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 22 [2021-06-13 21:48:26,212 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 22 [2021-06-13 21:48:26,811 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 21 [2021-06-13 21:48:27,432 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 21 [2021-06-13 21:48:28,028 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 20 [2021-06-13 21:48:28,712 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 20 [2021-06-13 21:48:29,138 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 21 [2021-06-13 21:48:29,616 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 22 [2021-06-13 21:48:30,158 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 22 [2021-06-13 21:48:30,676 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 22 [2021-06-13 21:48:31,252 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 21 [2021-06-13 21:48:31,912 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 21 [2021-06-13 21:48:32,532 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 20 [2021-06-13 21:48:33,353 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 20 [2021-06-13 21:48:33,815 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 21 [2021-06-13 21:48:34,310 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 22 [2021-06-13 21:48:34,884 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 22 [2021-06-13 21:48:35,378 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 22 [2021-06-13 21:48:35,770 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 20 [2021-06-13 21:48:36,321 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 21 [2021-06-13 21:48:36,743 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 20 [2021-06-13 21:48:37,364 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 19 [2021-06-13 21:48:37,964 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 20 [2021-06-13 21:48:38,683 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 18 [2021-06-13 21:48:39,031 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 21 [2021-06-13 21:48:39,660 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 20 [2021-06-13 21:48:40,194 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 19 [2021-06-13 21:48:40,906 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 18 [2021-06-13 21:48:41,174 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2021-06-13 21:48:41,446 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 21 [2021-06-13 21:48:41,772 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2021-06-13 21:48:42,041 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2021-06-13 21:48:42,302 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2021-06-13 21:48:42,519 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 23 [2021-06-13 21:48:42,734 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 21 [2021-06-13 21:48:42,881 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2021-06-13 21:48:43,082 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 22 [2021-06-13 21:48:43,294 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2021-06-13 21:48:43,486 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2021-06-13 21:48:43,720 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2021-06-13 21:48:46,331 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 22 [2021-06-13 21:48:54,756 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 22 [2021-06-13 21:49:19,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:49:19,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:49:19,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-06-13 21:49:19,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2021-06-13 21:49:19,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 454 states. [2021-06-13 21:49:19,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 657 states. [2021-06-13 21:49:19,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1059 states. [2021-06-13 21:49:19,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1066 states. [2021-06-13 21:49:19,936 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:49:19,937 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 21:49:19,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 21:49:19,937 INFO L82 PathProgramCache]: Analyzing trace with hash 783381962, now seen corresponding path program 9 times [2021-06-13 21:49:19,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 21:49:19,937 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203568324] [2021-06-13 21:49:19,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 21:49:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 21:49:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 110165 backedges. 38874 proven. 63541 refuted. 0 times theorem prover too weak. 7750 trivial. 0 not checked. [2021-06-13 21:49:33,155 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 21:49:33,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203568324] [2021-06-13 21:49:33,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203568324] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:49:33,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839629884] [2021-06-13 21:49:33,155 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:49:33,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 117 check-sat command(s) [2021-06-13 21:49:33,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 21:49:33,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 2794 conjuncts, 554 conjunts are in the unsatisfiable core [2021-06-13 21:49:34,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 21:51:30,949 INFO L134 CoverageAnalysis]: Checked inductivity of 110165 backedges. 39103 proven. 71062 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 21:51:30,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839629884] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 21:51:30,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 21:51:30,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [200, 551] total 750 [2021-06-13 21:51:30,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184048733] [2021-06-13 21:51:30,951 INFO L462 AbstractCegarLoop]: Interpolant automaton has 751 states [2021-06-13 21:51:30,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 21:51:30,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 751 interpolants. [2021-06-13 21:51:30,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77726, Invalid=485524, Unknown=0, NotChecked=0, Total=563250 [2021-06-13 21:51:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 21:51:30,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 21:51:30,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 751 states, 751 states have (on average 2.63115845539281) internal successors, (1976), 750 states have internal predecessors, (1976), 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) [2021-06-13 21:51:30,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-13 21:51:30,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 21:51:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-06-13 21:51:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2021-06-13 21:51:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 454 states. [2021-06-13 21:51:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 657 states. [2021-06-13 21:51:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1059 states. [2021-06-13 21:51:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1066 states. [2021-06-13 21:51:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-06-13 21:53:35,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 21:53:35,437 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-13 21:53:35,448 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 21:53:35,449 WARN L196 ceAbstractionStarter]: Timeout [2021-06-13 21:53:35,454 INFO L202 PluginConnector]: Adding new model mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 09:53:35 BasicIcfg [2021-06-13 21:53:35,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 21:53:35,468 INFO L168 Benchmark]: Toolchain (without parser) took 770877.90 ms. Allocated memory was 220.2 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 199.9 MB in the beginning and 472.7 MB in the end (delta: -272.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2021-06-13 21:53:35,469 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 220.2 MB. Free memory is still 201.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 21:53:35,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.10 ms. Allocated memory is still 220.2 MB. Free memory was 199.8 MB in the beginning and 198.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 21:53:35,469 INFO L168 Benchmark]: Boogie Preprocessor took 15.15 ms. Allocated memory is still 220.2 MB. Free memory was 198.4 MB in the beginning and 197.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 21:53:35,469 INFO L168 Benchmark]: RCFGBuilder took 279.51 ms. Allocated memory is still 220.2 MB. Free memory was 197.4 MB in the beginning and 184.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-13 21:53:35,469 INFO L168 Benchmark]: TraceAbstraction took 770556.28 ms. Allocated memory was 220.2 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 184.3 MB in the beginning and 472.7 MB in the end (delta: -288.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2021-06-13 21:53:35,469 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 0.12 ms. Allocated memory is still 220.2 MB. Free memory is still 201.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.10 ms. Allocated memory is still 220.2 MB. Free memory was 199.8 MB in the beginning and 198.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.15 ms. Allocated memory is still 220.2 MB. Free memory was 198.4 MB in the beginning and 197.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 279.51 ms. Allocated memory is still 220.2 MB. Free memory was 197.4 MB in the beginning and 184.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 770556.28 ms. Allocated memory was 220.2 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 184.3 MB in the beginning and 472.7 MB in the end (delta: -288.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23579, positive: 18740, positive conditional: 18740, positive unconditional: 0, negative: 4839, negative conditional: 4839, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 18740, positive: 18740, positive conditional: 18740, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 18740, positive: 18740, positive conditional: 0, positive unconditional: 18740, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 95, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 95, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18740, positive: 18645, positive conditional: 0, positive unconditional: 18645, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 95, unknown conditional: 0, unknown unconditional: 95] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 4839 - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing SleepSetNewStateReduction. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 770429.9ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.2ms, PartialOrderReductionTime: 526076.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4375, 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: 277.1ms SsaConstructionTime, 4391.8ms SatisfiabilityAnalysisTime, 237282.5ms InterpolantComputationTime, 6382 NumberOfCodeBlocks, 6382 NumberOfCodeBlocksAsserted, 201 NumberOfCheckSat, 6364 ConstructedInterpolants, 0 QuantifiedInterpolants, 73834 SizeOfPredicates, 54 NumberOfNonLiveVariables, 8081 ConjunctsInSsa, 1573 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 149508/384352 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown