/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 04:14:31,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 04:14:31,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 04:14:31,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 04:14:31,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-07-14 04:14:31,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 04:14:31,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 04:14:31,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 04:14:31,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 04:14:31,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 04:14:31,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 04:14:31,273 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 04:14:31,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 04:14:31,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 04:14:31,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 04:14:31,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 04:14:31,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 04:14:31,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 04:14:31,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 04:14:31,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 04:14:31,275 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 04:14:31,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 04:14:31,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 04:14:31,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 04:14:31,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 04:14:31,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 04:14:31,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 04:14:31,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 04:14:31,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 04:14:31,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 04:14:31,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 04:14:31,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 04:14:31,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 04:14:31,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 04:14:31,287 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 04:14:31,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 04:14:31,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 04:14:31,288 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 04:14:31,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 04:14:31,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 04:14:31,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 04:14:31,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 04:14:31,572 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 04:14:31,573 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 04:14:31,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl [2021-07-14 04:14:31,574 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl' [2021-07-14 04:14:31,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 04:14:31,603 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 04:14:31,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 04:14:31,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 04:14:31,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 04:14:31,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:14:31" (1/1) ... [2021-07-14 04:14:31,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:14:31" (1/1) ... [2021-07-14 04:14:31,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 04:14:31,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 04:14:31,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 04:14:31,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 04:14:31,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:14:31" (1/1) ... [2021-07-14 04:14:31,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:14:31" (1/1) ... [2021-07-14 04:14:31,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:14:31" (1/1) ... [2021-07-14 04:14:31,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:14:31" (1/1) ... [2021-07-14 04:14:31,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:14:31" (1/1) ... [2021-07-14 04:14:31,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:14:31" (1/1) ... [2021-07-14 04:14:31,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:14:31" (1/1) ... [2021-07-14 04:14:31,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 04:14:31,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 04:14:31,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 04:14:31,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 04:14:31,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:14:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 04:14:31,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 04:14:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 04:14:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 04:14:31,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 04:14:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 04:14:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 04:14:31,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 04:14:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 04:14:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 04:14:31,719 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 04:14:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 04:14:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 04:14:31,719 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-14 04:14:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-14 04:14:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-14 04:14:31,720 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 04:14:31,933 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 04:14:31,933 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 04:14:31,934 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:14:31 BoogieIcfgContainer [2021-07-14 04:14:31,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 04:14:31,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 04:14:31,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 04:14:31,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 04:14:31,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:14:31" (1/2) ... [2021-07-14 04:14:31,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f5d0d2 and model type buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:14:31, skipping insertion in model container [2021-07-14 04:14:31,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:14:31" (2/2) ... [2021-07-14 04:14:31,939 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult-alt.wvr.bpl [2021-07-14 04:14:31,943 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 04:14:31,943 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 04:14:31,943 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 04:14:31,943 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 04:14:32,015 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 04:14:32,030 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 04:14:32,067 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 04:14:32,067 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 04:14:32,068 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 04:14:32,068 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 04:14:32,068 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 04:14:32,068 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 04:14:32,068 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 04:14:32,068 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 04:14:32,212 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:14:32,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:14:32,218 INFO L82 PathProgramCache]: Analyzing trace with hash 976490359, now seen corresponding path program 1 times [2021-07-14 04:14:32,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:14:32,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310439879] [2021-07-14 04:14:32,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:14:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:14:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 04:14:32,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:14:32,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310439879] [2021-07-14 04:14:32,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310439879] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:14:32,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 04:14:32,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 04:14:32,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083660795] [2021-07-14 04:14:32,360 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 04:14:32,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:14:32,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 04:14:32,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 04:14:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:32,373 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:14:32,374 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:14:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:32,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:32,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 04:14:32,423 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:14:32,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:14:32,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1249341880, now seen corresponding path program 1 times [2021-07-14 04:14:32,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:14:32,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785881688] [2021-07-14 04:14:32,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:14:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:14:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 04:14:32,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:14:32,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785881688] [2021-07-14 04:14:32,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785881688] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:14:32,476 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 04:14:32,476 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 04:14:32,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143205214] [2021-07-14 04:14:32,477 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 04:14:32,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:14:32,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 04:14:32,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 04:14:32,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:32,478 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:14:32,478 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:14:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:32,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:32,494 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 04:14:32,494 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:14:32,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:14:32,495 INFO L82 PathProgramCache]: Analyzing trace with hash 954205245, now seen corresponding path program 2 times [2021-07-14 04:14:32,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:14:32,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91889691] [2021-07-14 04:14:32,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:14:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:14:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 04:14:32,556 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:14:32,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91889691] [2021-07-14 04:14:32,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91889691] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:14:32,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616850225] [2021-07-14 04:14:32,556 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:14:32,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:14:32,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:14:32,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 04:14:32,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:14:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 04:14:32,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616850225] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:14:32,736 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:14:32,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-07-14 04:14:32,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558831525] [2021-07-14 04:14:32,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 04:14:32,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:14:32,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 04:14:32,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-14 04:14:32,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:32,739 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:14:32,739 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:14:32,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:32,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:32,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:32,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:32,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:32,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:14:33,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:14:33,146 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:14:33,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:14:33,146 INFO L82 PathProgramCache]: Analyzing trace with hash -2114898121, now seen corresponding path program 2 times [2021-07-14 04:14:33,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:14:33,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659746544] [2021-07-14 04:14:33,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:14:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:14:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 04:14:33,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:14:33,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659746544] [2021-07-14 04:14:33,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659746544] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:14:33,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392515328] [2021-07-14 04:14:33,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:14:33,257 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:14:33,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:14:33,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 04:14:33,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:14:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 04:14:33,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392515328] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:14:33,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 04:14:33,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-07-14 04:14:33,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705810468] [2021-07-14 04:14:33,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 04:14:33,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:14:33,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 04:14:33,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-14 04:14:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:33,347 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:14:33,348 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:14:33,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:33,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:33,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:14:33,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:33,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:33,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:33,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:14:33,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:14:33,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:14:33,601 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:14:33,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:14:33,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1227522759, now seen corresponding path program 3 times [2021-07-14 04:14:33,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:14:33,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824512592] [2021-07-14 04:14:33,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:14:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:14:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 04:14:33,648 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:14:33,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824512592] [2021-07-14 04:14:33,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824512592] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:14:33,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589620946] [2021-07-14 04:14:33,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:14:33,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 04:14:33,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:14:33,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 04:14:33,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:14:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 04:14:33,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589620946] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:14:33,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 04:14:33,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2021-07-14 04:14:33,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544743867] [2021-07-14 04:14:33,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 04:14:33,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:14:33,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 04:14:33,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-07-14 04:14:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:33,774 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:14:33,774 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:14:33,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:33,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:33,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:14:33,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:14:33,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:33,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:33,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:33,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:14:33,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:14:33,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:14:34,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:14:34,073 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:14:34,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:14:34,073 INFO L82 PathProgramCache]: Analyzing trace with hash -293814785, now seen corresponding path program 4 times [2021-07-14 04:14:34,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:14:34,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303449469] [2021-07-14 04:14:34,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:14:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:14:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:14:34,335 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:14:34,335 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303449469] [2021-07-14 04:14:34,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303449469] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:14:34,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465497687] [2021-07-14 04:14:34,336 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 [2021-07-14 04:14:34,374 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 04:14:34,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:14:34,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-14 04:14:34,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:14:34,848 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-07-14 04:14:34,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 90 treesize of output 48 [2021-07-14 04:14:34,853 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:14:34,861 INFO L628 ElimStorePlain]: treesize reduction 25, result has 34.2 percent of original size [2021-07-14 04:14:34,862 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:14:34,862 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:90, output treesize:13 [2021-07-14 04:14:34,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 04:14:34,907 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:14:34,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:14:34,908 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:14:34,909 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2021-07-14 04:14:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:14:34,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465497687] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:14:34,950 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:14:34,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2021-07-14 04:14:34,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608269303] [2021-07-14 04:14:34,951 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 04:14:34,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:14:34,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 04:14:34,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2021-07-14 04:14:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:34,953 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:14:34,954 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 3.625) internal successors, (87), 23 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:14:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:14:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:14:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:14:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:14:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:14:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:14:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:14:35,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 04:14:35,880 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:14:35,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:14:35,880 INFO L82 PathProgramCache]: Analyzing trace with hash -2005493375, now seen corresponding path program 5 times [2021-07-14 04:14:35,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:14:35,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339181533] [2021-07-14 04:14:35,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:14:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:14:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 04:14:35,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:14:35,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339181533] [2021-07-14 04:14:35,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339181533] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:14:35,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927093159] [2021-07-14 04:14:35,959 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 [2021-07-14 04:14:35,999 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 04:14:35,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:14:36,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 04:14:36,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:14:36,073 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 04:14:36,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927093159] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:14:36,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:14:36,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 12 [2021-07-14 04:14:36,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214013118] [2021-07-14 04:14:36,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 04:14:36,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:14:36,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 04:14:36,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-07-14 04:14:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:36,074 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:14:36,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:14:36,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:36,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:36,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:14:36,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:14:36,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:14:36,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:14:36,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:14:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:14:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:14:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:14:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:14:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:14:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 04:14:36,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:14:36,417 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:14:36,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:14:36,417 INFO L82 PathProgramCache]: Analyzing trace with hash -792203865, now seen corresponding path program 6 times [2021-07-14 04:14:36,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:14:36,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012626531] [2021-07-14 04:14:36,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:14:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:14:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:14:36,690 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:14:36,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012626531] [2021-07-14 04:14:36,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012626531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:14:36,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144584084] [2021-07-14 04:14:36,690 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 [2021-07-14 04:14:36,733 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 04:14:36,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:14:36,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 04:14:36,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:14:37,386 INFO L354 Elim1Store]: treesize reduction 66, result has 59.0 percent of original size [2021-07-14 04:14:37,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 111 treesize of output 153 [2021-07-14 04:14:38,239 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-14 04:14:38,352 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-14 04:14:38,465 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 217 [2021-07-14 04:14:39,168 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 333 [2021-07-14 04:14:39,294 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 333 [2021-07-14 04:14:39,450 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 314 Received shutdown request... [2021-07-14 04:29:17,079 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:29:17,079 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-14 04:29:17,084 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 04:29:17,084 WARN L196 ceAbstractionStarter]: Timeout [2021-07-14 04:29:17,085 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 04:29:17 BasicIcfg [2021-07-14 04:29:17,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 04:29:17,085 INFO L168 Benchmark]: Toolchain (without parser) took 885482.47 ms. Allocated memory was 184.5 MB in the beginning and 738.2 MB in the end (delta: 553.6 MB). Free memory was 165.0 MB in the beginning and 452.7 MB in the end (delta: -287.7 MB). Peak memory consumption was 478.3 MB. Max. memory is 8.0 GB. [2021-07-14 04:29:17,085 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 184.5 MB. Free memory is still 166.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 04:29:17,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.89 ms. Allocated memory is still 184.5 MB. Free memory was 164.9 MB in the beginning and 163.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 04:29:17,085 INFO L168 Benchmark]: Boogie Preprocessor took 18.35 ms. Allocated memory is still 184.5 MB. Free memory was 163.4 MB in the beginning and 162.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 04:29:17,085 INFO L168 Benchmark]: RCFGBuilder took 291.42 ms. Allocated memory is still 184.5 MB. Free memory was 162.3 MB in the beginning and 147.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-07-14 04:29:17,086 INFO L168 Benchmark]: TraceAbstraction took 885149.04 ms. Allocated memory was 184.5 MB in the beginning and 738.2 MB in the end (delta: 553.6 MB). Free memory was 146.6 MB in the beginning and 452.7 MB in the end (delta: -306.1 MB). Peak memory consumption was 459.4 MB. Max. memory is 8.0 GB. [2021-07-14 04:29:17,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 184.5 MB. Free memory is still 166.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.89 ms. Allocated memory is still 184.5 MB. Free memory was 164.9 MB in the beginning and 163.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.35 ms. Allocated memory is still 184.5 MB. Free memory was 163.4 MB in the beginning and 162.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 291.42 ms. Allocated memory is still 184.5 MB. Free memory was 162.3 MB in the beginning and 147.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 885149.04 ms. Allocated memory was 184.5 MB in the beginning and 738.2 MB in the end (delta: 553.6 MB). Free memory was 146.6 MB in the beginning and 452.7 MB in the end (delta: -306.1 MB). Peak memory consumption was 459.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14813, positive: 13330, positive conditional: 13330, positive unconditional: 0, negative: 1483, negative conditional: 1483, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 13415, positive: 13330, positive conditional: 13330, positive unconditional: 0, negative: 85, negative conditional: 85, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 13415, positive: 12867, positive conditional: 0, positive unconditional: 12867, negative: 548, negative conditional: 0, negative unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 155, positive: 151, positive conditional: 0, positive unconditional: 151, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 155, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 81, positive conditional: 11, positive unconditional: 69, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13415, positive: 12716, positive conditional: 0, positive unconditional: 12716, negative: 544, negative conditional: 0, negative unconditional: 544, unknown: 155, unknown conditional: 0, unknown unconditional: 155] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 158, Positive conditional cache size: 7, Positive unconditional cache size: 151, Negative cache size: 9, Negative conditional cache size: 5, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 81, positive conditional: 11, positive unconditional: 69, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1219, positive: 456, positive conditional: 456, positive unconditional: 0, negative: 751, negative conditional: 166, negative unconditional: 585, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 158, Positive conditional cache size: 7, Positive unconditional cache size: 151, Negative cache size: 9, Negative conditional cache size: 5, Negative unconditional cache size: 4, Eliminated conditions: 585, SemanticConditionEliminator.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 81, positive conditional: 11, positive unconditional: 69, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1219, positive: 456, positive conditional: 456, positive unconditional: 0, negative: 751, negative conditional: 166, negative unconditional: 585, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 158, Positive conditional cache size: 7, Positive unconditional cache size: 151, Negative cache size: 9, Negative conditional cache size: 5, Negative unconditional cache size: 4, Eliminated conditions: 585, SemanticConditionEliminator.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 81, positive conditional: 11, positive unconditional: 69, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1219, positive: 456, positive conditional: 456, positive unconditional: 0, negative: 751, negative conditional: 166, negative unconditional: 585, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 158, Positive conditional cache size: 7, Positive unconditional cache size: 151, Negative cache size: 9, Negative conditional cache size: 5, Negative unconditional cache size: 4, Eliminated conditions: 585, SemanticConditionEliminator.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 81, positive conditional: 11, positive unconditional: 69, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1219, positive: 456, positive conditional: 456, positive unconditional: 0, negative: 751, negative conditional: 166, negative unconditional: 585, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 158, Positive conditional cache size: 7, Positive unconditional cache size: 151, Negative cache size: 9, Negative conditional cache size: 5, Negative unconditional cache size: 4, Eliminated conditions: 585, SemanticConditionEliminator.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 81, positive conditional: 11, positive unconditional: 69, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1219, positive: 456, positive conditional: 456, positive unconditional: 0, negative: 751, negative conditional: 166, negative unconditional: 585, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 158, Positive conditional cache size: 7, Positive unconditional cache size: 151, Negative cache size: 9, Negative conditional cache size: 5, Negative unconditional cache size: 4, Eliminated conditions: 585, SemanticConditionEliminator.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 81, positive conditional: 11, positive unconditional: 69, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1219, positive: 456, positive conditional: 456, positive unconditional: 0, negative: 751, negative conditional: 166, negative unconditional: 585, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 158, Positive conditional cache size: 7, Positive unconditional cache size: 151, Negative cache size: 9, Negative conditional cache size: 5, Negative unconditional cache size: 4, Eliminated conditions: 585, SemanticConditionEliminator.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1219, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 756, negative conditional: 171, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 81, positive conditional: 11, positive unconditional: 69, negative: 34, negative conditional: 16, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1219, positive: 456, positive conditional: 456, positive unconditional: 0, negative: 751, negative conditional: 166, negative unconditional: 585, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 158, Positive conditional cache size: 7, Positive unconditional cache size: 151, Negative cache size: 9, Negative conditional cache size: 5, Negative unconditional cache size: 4, Eliminated conditions: 585 ], Maximal queried relation: 7, Independence queries for same thread: 1398 - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 50 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 885042.3ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.4ms, PartialOrderReductionTime: 1334.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 55, 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: 57.1ms SsaConstructionTime, 189.6ms SatisfiabilityAnalysisTime, 1429.4ms InterpolantComputationTime, 448 NumberOfCodeBlocks, 448 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 436 ConstructedInterpolants, 0 QuantifiedInterpolants, 3439 SizeOfPredicates, 10 NumberOfNonLiveVariables, 585 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 152/299 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