/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 19:43:06,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 19:43:06,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 19:43:06,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-03 19:43:06,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-03 19:43:06,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-03 19:43:06,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-03 19:43:06,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-03 19:43:06,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-03 19:43:06,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-03 19:43:06,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-03 19:43:06,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-03 19:43:06,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-03 19:43:06,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-03 19:43:06,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-03 19:43:06,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-03 19:43:06,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-03 19:43:06,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-03 19:43:06,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-03 19:43:06,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-03 19:43:06,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-03 19:43:06,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-03 19:43:06,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-03 19:43:06,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-03 19:43:06,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-03 19:43:06,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-03 19:43:06,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-03 19:43:06,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-03 19:43:06,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-03 19:43:06,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-03 19:43:06,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-03 19:43:06,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-03 19:43:06,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-03 19:43:06,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-03 19:43:06,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-03 19:43:06,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-03 19:43:06,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-03 19:43:06,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-03 19:43:06,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 19:43:06,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 19:43:06,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 19:43:06,413 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-DelaySleep-NoLbe.epf [2021-05-03 19:43:06,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 19:43:06,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 19:43:06,450 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 19:43:06,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 19:43:06,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 19:43:06,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 19:43:06,453 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 19:43:06,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 19:43:06,453 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 19:43:06,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 19:43:06,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 19:43:06,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 19:43:06,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 19:43:06,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 19:43:06,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 19:43:06,455 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 19:43:06,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 19:43:06,455 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 19:43:06,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 19:43:06,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 19:43:06,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 19:43:06,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 19:43:06,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 19:43:06,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 19:43:06,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 19:43:06,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 19:43:06,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 19:43:06,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 19:43:06,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 19:43:06,456 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 19:43:06,456 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 19:43:06,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 19:43:06,457 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-05-03 19:43:06,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 19:43:06,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 19:43:06,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 19:43:06,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 19:43:06,803 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 19:43:06,804 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 19:43:06,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2021-05-03 19:43:06,806 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2021-05-03 19:43:06,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 19:43:06,990 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 19:43:06,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 19:43:06,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 19:43:06,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 19:43:07,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:43:06" (1/1) ... [2021-05-03 19:43:07,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:43:06" (1/1) ... [2021-05-03 19:43:07,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 19:43:07,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 19:43:07,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 19:43:07,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 19:43:07,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:43:06" (1/1) ... [2021-05-03 19:43:07,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:43:06" (1/1) ... [2021-05-03 19:43:07,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:43:06" (1/1) ... [2021-05-03 19:43:07,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:43:06" (1/1) ... [2021-05-03 19:43:07,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:43:06" (1/1) ... [2021-05-03 19:43:07,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:43:06" (1/1) ... [2021-05-03 19:43:07,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:43:06" (1/1) ... [2021-05-03 19:43:07,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 19:43:07,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 19:43:07,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 19:43:07,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 19:43:07,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:43:06" (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 [2021-05-03 19:43:07,117 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 19:43:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 19:43:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 19:43:07,118 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 19:43:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 19:43:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 19:43:07,118 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 19:43:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 19:43:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 19:43:07,120 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-03 19:43:07,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 19:43:07,352 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-03 19:43:07,354 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:43:07 BoogieIcfgContainer [2021-05-03 19:43:07,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 19:43:07,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 19:43:07,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 19:43:07,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 19:43:07,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:43:06" (1/2) ... [2021-05-03 19:43:07,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444bc6a3 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 07:43:07, skipping insertion in model container [2021-05-03 19:43:07,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:43:07" (2/2) ... [2021-05-03 19:43:07,361 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-05-03 19:43:07,382 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 19:43:07,382 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 19:43:07,386 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 19:43:07,386 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 19:43:07,437 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-05-03 19:43:07,452 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-05-03 19:43:07,522 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 19:43:07,523 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 19:43:07,523 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 19:43:07,523 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 19:43:07,523 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 19:43:07,523 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 19:43:07,523 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 19:43:07,523 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 19:43:07,627 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:43:07,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:43:07,633 INFO L82 PathProgramCache]: Analyzing trace with hash -178355778, now seen corresponding path program 1 times [2021-05-03 19:43:07,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:43:07,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255469880] [2021-05-03 19:43:07,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:43:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:43:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 19:43:07,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255469880] [2021-05-03 19:43:07,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 19:43:07,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-03 19:43:07,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125830909] [2021-05-03 19:43:07,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 19:43:07,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:43:07,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 19:43:07,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 19:43:07,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:07,796 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:43:07,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-05-03 19:43:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:07,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:07,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 19:43:07,832 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:43:07,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:43:07,832 INFO L82 PathProgramCache]: Analyzing trace with hash 721160386, now seen corresponding path program 2 times [2021-05-03 19:43:07,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:43:07,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10462852] [2021-05-03 19:43:07,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:43:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:43:07,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 19:43:07,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10462852] [2021-05-03 19:43:07,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 19:43:07,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 19:43:07,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974843713] [2021-05-03 19:43:07,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-03 19:43:07,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:43:07,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-03 19:43:07,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-05-03 19:43:07,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:07,892 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:43:07,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-05-03 19:43:07,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:07,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:07,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:07,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:07,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-03 19:43:07,910 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:43:07,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:43:07,911 INFO L82 PathProgramCache]: Analyzing trace with hash 658702084, now seen corresponding path program 3 times [2021-05-03 19:43:07,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:43:07,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30057558] [2021-05-03 19:43:07,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:43:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:43:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:43:08,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30057558] [2021-05-03 19:43:08,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507226859] [2021-05-03 19:43:08,237 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 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 [2021-05-03 19:43:08,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-05-03 19:43:08,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:43:08,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-03 19:43:08,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:43:08,777 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:43:08,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:43:08,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-05-03 19:43:08,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443870705] [2021-05-03 19:43:08,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-03 19:43:08,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:43:08,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-03 19:43:08,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-05-03 19:43:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:08,783 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:43:08,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.0) internal successors, (42), 20 states have internal predecessors, (42), 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) [2021-05-03 19:43:08,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:08,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:08,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:08,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:08,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:08,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:43:09,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:43:09,125 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:43:09,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:43:09,125 INFO L82 PathProgramCache]: Analyzing trace with hash 892677834, now seen corresponding path program 4 times [2021-05-03 19:43:09,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:43:09,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781593086] [2021-05-03 19:43:09,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:43:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:43:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-03 19:43:09,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781593086] [2021-05-03 19:43:09,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193636136] [2021-05-03 19:43:09,530 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 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 [2021-05-03 19:43:09,567 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 19:43:09,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:43:09,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 18 conjunts are in the unsatisfiable core [2021-05-03 19:43:09,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:43:10,469 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:43:10,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:43:10,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-05-03 19:43:10,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438090456] [2021-05-03 19:43:10,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-03 19:43:10,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:43:10,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-03 19:43:10,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2021-05-03 19:43:10,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:10,472 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:43:10,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 19:43:10,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:10,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:10,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:43:10,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:10,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:43:10,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 19:43:10,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:43:10,960 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:43:10,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:43:10,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1904474506, now seen corresponding path program 5 times [2021-05-03 19:43:10,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:43:10,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190809974] [2021-05-03 19:43:10,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:43:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:43:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-05-03 19:43:11,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190809974] [2021-05-03 19:43:11,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301977318] [2021-05-03 19:43:11,374 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-05-03 19:43:11,416 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-05-03 19:43:11,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:43:11,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2021-05-03 19:43:11,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:43:12,207 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2021-05-03 19:43:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:43:12,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:43:12,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 26 [2021-05-03 19:43:12,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860402864] [2021-05-03 19:43:12,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-05-03 19:43:12,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:43:12,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-05-03 19:43:12,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2021-05-03 19:43:12,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:12,565 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:43:12,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.037037037037037) internal successors, (55), 26 states have internal predecessors, (55), 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) [2021-05-03 19:43:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:43:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 19:43:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:13,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:43:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 19:43:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 19:43:13,425 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:43:13,426 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:43:13,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:43:13,426 INFO L82 PathProgramCache]: Analyzing trace with hash -72906826, now seen corresponding path program 6 times [2021-05-03 19:43:13,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:43:13,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755632797] [2021-05-03 19:43:13,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:43:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:43:13,957 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-05-03 19:43:13,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755632797] [2021-05-03 19:43:13,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065593870] [2021-05-03 19:43:13,958 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-05-03 19:43:13,994 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-05-03 19:43:13,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:43:13,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 28 conjunts are in the unsatisfiable core [2021-05-03 19:43:13,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:43:14,806 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2021-05-03 19:43:15,561 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:43:15,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:43:15,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 22] total 35 [2021-05-03 19:43:15,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412673231] [2021-05-03 19:43:15,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-03 19:43:15,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:43:15,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-03 19:43:15,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1090, Unknown=0, NotChecked=0, Total=1260 [2021-05-03 19:43:15,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:15,563 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:43:15,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.8611111111111112) internal successors, (67), 35 states have internal predecessors, (67), 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) [2021-05-03 19:43:15,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:15,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:15,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:43:15,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 19:43:15,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 19:43:15,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:16,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:16,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:16,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:43:16,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 19:43:16,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 19:43:16,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:43:16,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-05-03 19:43:16,413 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:43:16,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:43:16,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1316158274, now seen corresponding path program 7 times [2021-05-03 19:43:16,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:43:16,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912759655] [2021-05-03 19:43:16,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:43:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:43:16,453 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-05-03 19:43:16,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912759655] [2021-05-03 19:43:16,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 19:43:16,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-03 19:43:16,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382763839] [2021-05-03 19:43:16,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 19:43:16,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:43:16,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 19:43:16,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 19:43:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:16,455 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:43:16,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-05-03 19:43:16,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:16,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:16,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:43:16,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 19:43:16,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 19:43:16,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:43:16,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:16,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:43:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 19:43:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 19:43:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:43:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:16,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-05-03 19:43:16,473 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:43:16,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:43:16,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1214809554, now seen corresponding path program 8 times [2021-05-03 19:43:16,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:43:16,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464884304] [2021-05-03 19:43:16,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:43:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:43:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-05-03 19:43:17,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464884304] [2021-05-03 19:43:17,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736396792] [2021-05-03 19:43:17,041 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-05-03 19:43:17,086 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 19:43:17,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:43:17,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 31 conjunts are in the unsatisfiable core [2021-05-03 19:43:17,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:43:18,334 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-05-03 19:43:19,467 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:43:19,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:43:19,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 24] total 35 [2021-05-03 19:43:19,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96213977] [2021-05-03 19:43:19,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-03 19:43:19,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:43:19,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-03 19:43:19,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1133, Unknown=0, NotChecked=0, Total=1260 [2021-05-03 19:43:19,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:19,469 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:43:19,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.0555555555555554) internal successors, (74), 35 states have internal predecessors, (74), 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) [2021-05-03 19:43:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 19:43:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 19:43:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 19:43:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:43:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:43:20,650 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2021-05-03 19:43:20,841 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2021-05-03 19:43:21,565 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2021-05-03 19:43:21,723 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-05-03 19:43:22,081 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2021-05-03 19:43:22,263 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2021-05-03 19:43:22,577 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2021-05-03 19:43:22,744 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2021-05-03 19:43:22,964 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 63 [2021-05-03 19:43:24,223 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2021-05-03 19:43:24,807 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2021-05-03 19:43:24,954 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 50 [2021-05-03 19:43:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:43:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 19:43:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-03 19:43:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-03 19:43:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-05-03 19:43:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:43:27,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:43:27,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:43:27,233 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 07:43:27 BasicIcfg [2021-05-03 19:43:27,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-03 19:43:27,234 INFO L168 Benchmark]: Toolchain (without parser) took 20244.49 ms. Allocated memory was 354.4 MB in the beginning and 511.7 MB in the end (delta: 157.3 MB). Free memory was 334.0 MB in the beginning and 377.1 MB in the end (delta: -43.1 MB). Peak memory consumption was 116.8 MB. Max. memory is 16.0 GB. [2021-05-03 19:43:27,234 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 354.4 MB. Free memory is still 335.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 19:43:27,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.09 ms. Allocated memory is still 354.4 MB. Free memory was 333.8 MB in the beginning and 332.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 19:43:27,234 INFO L168 Benchmark]: Boogie Preprocessor took 16.67 ms. Allocated memory is still 354.4 MB. Free memory was 332.4 MB in the beginning and 331.5 MB in the end (delta: 935.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-03 19:43:27,235 INFO L168 Benchmark]: RCFGBuilder took 321.19 ms. Allocated memory is still 354.4 MB. Free memory was 331.5 MB in the beginning and 319.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-05-03 19:43:27,235 INFO L168 Benchmark]: TraceAbstraction took 19877.77 ms. Allocated memory was 354.4 MB in the beginning and 511.7 MB in the end (delta: 157.3 MB). Free memory was 319.1 MB in the beginning and 377.1 MB in the end (delta: -57.9 MB). Peak memory consumption was 100.0 MB. Max. memory is 16.0 GB. [2021-05-03 19:43:27,236 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 0.16 ms. Allocated memory is still 354.4 MB. Free memory is still 335.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.09 ms. Allocated memory is still 354.4 MB. Free memory was 333.8 MB in the beginning and 332.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.67 ms. Allocated memory is still 354.4 MB. Free memory was 332.4 MB in the beginning and 331.5 MB in the end (delta: 935.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 321.19 ms. Allocated memory is still 354.4 MB. Free memory was 331.5 MB in the beginning and 319.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 19877.77 ms. Allocated memory was 354.4 MB in the beginning and 511.7 MB in the end (delta: 157.3 MB). Free memory was 319.1 MB in the beginning and 377.1 MB in the end (delta: -57.9 MB). Peak memory consumption was 100.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1179, positive: 870, positive conditional: 870, positive unconditional: 0, negative: 309, negative conditional: 309, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 939, positive: 870, positive conditional: 870, positive unconditional: 0, negative: 69, negative conditional: 69, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 939, positive: 798, positive conditional: 0, positive unconditional: 798, negative: 141, negative conditional: 0, negative unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 68, negative conditional: 65, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 23, positive conditional: 14, positive unconditional: 8, negative: 287, negative conditional: 226, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 939, positive: 774, positive conditional: 0, positive unconditional: 774, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 27, unknown conditional: 0, unknown unconditional: 27] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 68, Negative conditional cache size: 65, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 68, negative conditional: 65, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 23, positive conditional: 14, positive unconditional: 8, negative: 287, negative conditional: 226, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 667, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 530, negative conditional: 198, negative unconditional: 332, unknown: 76, unknown conditional: 76, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 68, Negative conditional cache size: 65, Negative unconditional cache size: 3, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 68, negative conditional: 65, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 23, positive conditional: 14, positive unconditional: 8, negative: 287, negative conditional: 226, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 667, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 530, negative conditional: 198, negative unconditional: 332, unknown: 76, unknown conditional: 76, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 68, Negative conditional cache size: 65, Negative unconditional cache size: 3, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 68, negative conditional: 65, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 23, positive conditional: 14, positive unconditional: 8, negative: 287, negative conditional: 226, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 667, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 530, negative conditional: 198, negative unconditional: 332, unknown: 76, unknown conditional: 76, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 68, Negative conditional cache size: 65, Negative unconditional cache size: 3, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 68, negative conditional: 65, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 23, positive conditional: 14, positive unconditional: 8, negative: 287, negative conditional: 226, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 667, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 530, negative conditional: 198, negative unconditional: 332, unknown: 76, unknown conditional: 76, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 68, Negative conditional cache size: 65, Negative unconditional cache size: 3, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 68, negative conditional: 65, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 23, positive conditional: 14, positive unconditional: 8, negative: 287, negative conditional: 226, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 667, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 530, negative conditional: 198, negative unconditional: 332, unknown: 76, unknown conditional: 76, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 68, Negative conditional cache size: 65, Negative unconditional cache size: 3, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 68, negative conditional: 65, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 23, positive conditional: 14, positive unconditional: 8, negative: 287, negative conditional: 226, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 667, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 530, negative conditional: 198, negative unconditional: 332, unknown: 76, unknown conditional: 76, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 68, Negative conditional cache size: 65, Negative unconditional cache size: 3, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 68, negative conditional: 65, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 23, positive conditional: 14, positive unconditional: 8, negative: 287, negative conditional: 226, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 667, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 530, negative conditional: 198, negative unconditional: 332, unknown: 76, unknown conditional: 76, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 68, Negative conditional cache size: 65, Negative unconditional cache size: 3, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 667, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 595, negative conditional: 263, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 68, negative conditional: 65, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 23, positive conditional: 14, positive unconditional: 8, negative: 287, negative conditional: 226, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 667, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 530, negative conditional: 198, negative unconditional: 332, unknown: 76, unknown conditional: 76, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 68, Negative conditional cache size: 65, Negative unconditional cache size: 3, Eliminated conditions: 332 ], Maximal queried relation: 8, Independence queries for same thread: 240 - PositiveResult [Line: 55]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19743.0ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 9388.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 180, 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: 43.9ms SsaConstructionTime, 256.0ms SatisfiabilityAnalysisTime, 8676.3ms InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 13995 SizeOfPredicates, 25 NumberOfNonLiveVariables, 252 ConjunctsInSsa, 113 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 298/867 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 proved your program to be correct! Received shutdown request...