/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/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1577.bpl


--------------------------------------------------------------------------------


This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m
[2022-10-03 14:48:09,919 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-10-03 14:48:09,974 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2022-10-03 14:48:10,001 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf
[2022-10-03 14:48:10,026 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-03 14:48:10,026 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-03 14:48:10,027 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-03 14:48:10,027 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-03 14:48:10,027 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-03 14:48:10,028 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-03 14:48:10,028 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-03 14:48:10,028 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-03 14:48:10,028 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-03 14:48:10,028 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-03 14:48:10,029 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-03 14:48:10,029 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-03 14:48:10,029 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-03 14:48:10,029 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-03 14:48:10,030 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-03 14:48:10,030 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-03 14:48:10,030 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-03 14:48:10,030 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-03 14:48:10,030 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-03 14:48:10,030 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-03 14:48:10,030 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-03 14:48:10,030 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-03 14:48:10,030 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-03 14:48:10,031 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-03 14:48:10,032 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-03 14:48:10,032 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-03 14:48:10,032 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-03 14:48:10,032 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-03 14:48:10,032 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-03 14:48:10,032 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-03 14:48:10,032 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-03 14:48:10,032 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-03 14:48:10,033 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-03 14:48:10,033 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-03 14:48:10,033 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-03 14:48:10,033 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-03 14:48:10,033 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-03 14:48:10,033 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-03 14:48:10,033 INFO  L138        SettingsManager]:  * Independence relation used for POR in concurrent analysis=SYNTACTIC
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-10-03 14:48:10,267 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-03 14:48:10,288 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-03 14:48:10,290 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-03 14:48:10,291 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-03 14:48:10,292 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-03 14:48:10,294 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1577.bpl
[2022-10-03 14:48:10,294 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1577.bpl'
[2022-10-03 14:48:10,370 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-03 14:48:10,372 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2022-10-03 14:48:10,373 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-03 14:48:10,373 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-03 14:48:10,373 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-03 14:48:10,386 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:48:10" (1/1) ...
[2022-10-03 14:48:10,388 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:48:10" (1/1) ...
[2022-10-03 14:48:10,421 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:48:10" (1/1) ...
[2022-10-03 14:48:10,421 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:48:10" (1/1) ...
[2022-10-03 14:48:10,461 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:48:10" (1/1) ...
[2022-10-03 14:48:10,466 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:48:10" (1/1) ...
[2022-10-03 14:48:10,474 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:48:10" (1/1) ...
[2022-10-03 14:48:10,485 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-03 14:48:10,486 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-03 14:48:10,486 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-03 14:48:10,486 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-03 14:48:10,487 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:48:10" (1/1) ...
[2022-10-03 14:48:10,493 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-03 14:48:10,500 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-03 14:48:10,525 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-03 14:48:10,547 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-03 14:48:10,564 INFO  L130     BoogieDeclarations]: Found specification of procedure pusher
[2022-10-03 14:48:10,564 INFO  L138     BoogieDeclarations]: Found implementation of procedure pusher
[2022-10-03 14:48:10,564 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-03 14:48:10,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-03 14:48:10,566 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-03 14:48:10,819 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-03 14:48:10,821 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-03 14:48:11,926 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-03 14:48:11,967 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-03 14:48:11,968 INFO  L299             CfgBuilder]: Removed 4 assume(true) statements.
[2022-10-03 14:48:11,970 INFO  L202        PluginConnector]: Adding new model divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:48:11 BoogieIcfgContainer
[2022-10-03 14:48:11,971 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-03 14:48:11,972 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-03 14:48:11,972 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-03 14:48:11,978 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-03 14:48:11,978 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:48:10" (1/2) ...
[2022-10-03 14:48:11,979 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370925f7 and model type divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:48:11, skipping insertion in model container
[2022-10-03 14:48:11,979 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:48:11" (2/2) ...
[2022-10-03 14:48:11,983 INFO  L112   eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1577.bpl
[2022-10-03 14:48:11,990 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-03 14:48:12,000 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-03 14:48:12,000 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-03 14:48:12,000 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-03 14:48:12,134 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-10-03 14:48:12,184 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-03 14:48:12,184 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-03 14:48:12,184 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-03 14:48:12,187 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-03 14:48:12,212 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-10-03 14:48:12,230 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-03 14:48:12,237 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-03 14:48:12,245 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ceaeab5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-03 14:48:12,245 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-03 14:48:12,647 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-03 14:48:12,654 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-03 14:48:12,654 INFO  L85        PathProgramCache]: Analyzing trace with hash 221684228, now seen corresponding path program 1 times
[2022-10-03 14:48:12,662 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-03 14:48:12,662 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921585969]
[2022-10-03 14:48:12,662 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-03 14:48:12,663 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-03 14:48:13,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-03 14:48:13,303 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-03 14:48:13,304 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-03 14:48:13,304 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921585969]
[2022-10-03 14:48:13,304 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921585969] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-03 14:48:13,305 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-03 14:48:13,305 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-03 14:48:13,306 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407779342]
[2022-10-03 14:48:13,307 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-03 14:48:13,313 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-03 14:48:13,313 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-03 14:48:13,329 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-03 14:48:13,330 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-03 14:48:13,331 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:48:13,335 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-03 14:48:13,336 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 361.0) internal successors, (722), 2 states have internal predecessors, (722), 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)
[2022-10-03 14:48:13,336 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:48:13,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:48:13,566 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-03 14:48:13,566 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-03 14:48:13,569 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-03 14:48:13,570 INFO  L85        PathProgramCache]: Analyzing trace with hash -207755369, now seen corresponding path program 1 times
[2022-10-03 14:48:13,570 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-03 14:48:13,570 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303629488]
[2022-10-03 14:48:13,570 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-03 14:48:13,571 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-03 14:48:13,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-03 14:48:14,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-03 14:48:14,374 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-03 14:48:14,374 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303629488]
[2022-10-03 14:48:14,374 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303629488] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-03 14:48:14,374 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-03 14:48:14,374 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2022-10-03 14:48:14,375 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835829386]
[2022-10-03 14:48:14,375 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-03 14:48:14,377 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2022-10-03 14:48:14,377 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-03 14:48:14,377 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2022-10-03 14:48:14,377 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182
[2022-10-03 14:48:14,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:48:14,378 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-03 14:48:14,379 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 13 states have (on average 60.53846153846154) internal successors, (787), 14 states have internal predecessors, (787), 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)
[2022-10-03 14:48:14,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:48:14,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:48:18,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:48:18,735 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2022-10-03 14:48:18,735 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-03 14:48:18,736 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-03 14:48:18,736 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-03 14:48:18,737 INFO  L85        PathProgramCache]: Analyzing trace with hash -1281000629, now seen corresponding path program 1 times
[2022-10-03 14:48:18,738 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-03 14:48:18,738 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321504312]
[2022-10-03 14:48:18,739 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-03 14:48:18,739 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-03 14:48:24,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-03 14:48:42,891 INFO  L134       CoverageAnalysis]: Checked inductivity of 93388 backedges. 47023 proven. 21188 refuted. 0 times theorem prover too weak. 25177 trivial. 0 not checked.
[2022-10-03 14:48:42,892 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-03 14:48:42,892 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321504312]
[2022-10-03 14:48:42,893 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321504312] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-03 14:48:42,894 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901120360]
[2022-10-03 14:48:42,895 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-03 14:48:42,895 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-10-03 14:48:42,895 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-03 14:48:42,897 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-10-03 14:48:42,898 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-10-03 14:48:49,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-03 14:48:49,472 INFO  L263         TraceCheckSpWp]: Trace formula consists of 22629 conjuncts, 122 conjunts are in the unsatisfiable core
[2022-10-03 14:48:49,695 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-10-03 14:49:11,667 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9
[2022-10-03 14:49:13,159 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2022-10-03 14:49:13,400 INFO  L356             Elim1Store]: treesize reduction 27, result has 25.0 percent of original size
[2022-10-03 14:49:13,400 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18
[2022-10-03 14:49:14,427 INFO  L356             Elim1Store]: treesize reduction 4, result has 75.0 percent of original size
[2022-10-03 14:49:14,428 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19
[2022-10-03 14:49:14,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 93388 backedges. 47147 proven. 20796 refuted. 0 times theorem prover too weak. 25445 trivial. 0 not checked.
[2022-10-03 14:49:14,652 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-10-03 14:49:15,182 WARN  L833   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1653 Int)) (not (= (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| (store (select |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base|) |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset| v_ArrVal_1653)) |c_#memory_$Pointer$.base|))) is different from false
[2022-10-03 14:49:20,627 INFO  L356             Elim1Store]: treesize reduction 23, result has 65.2 percent of original size
[2022-10-03 14:49:20,627 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 73
[2022-10-03 14:49:21,105 INFO  L390             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 34 treesize of output 20
[2022-10-03 14:49:36,942 WARN  L833   $PredicateComparison]: unable to prove that (forall ((|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| Int) (v_ArrVal_1653 Int)) (or (not (<= (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| v_ArrVal_1653)) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|))) is different from false
[2022-10-03 14:49:49,629 INFO  L356             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-10-03 14:49:49,629 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35
[2022-10-03 14:50:06,115 INFO  L134       CoverageAnalysis]: Checked inductivity of 93388 backedges. 46915 proven. 20620 refuted. 64 times theorem prover too weak. 25605 trivial. 184 not checked.
[2022-10-03 14:50:06,116 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901120360] provided 0 perfect and 2 imperfect interpolant sequences
[2022-10-03 14:50:06,116 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-10-03 14:50:06,119 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 39, 28] total 107
[2022-10-03 14:50:06,120 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752573542]
[2022-10-03 14:50:06,120 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-10-03 14:50:06,143 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 107 states
[2022-10-03 14:50:06,143 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-03 14:50:06,144 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants.
[2022-10-03 14:50:06,149 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=543, Invalid=10353, Unknown=32, NotChecked=414, Total=11342
[2022-10-03 14:50:06,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:50:06,158 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-03 14:50:06,164 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 107 states, 107 states have (on average 61.570093457943926) internal successors, (6588), 107 states have internal predecessors, (6588), 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)
[2022-10-03 14:50:06,164 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:50:06,164 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. 
[2022-10-03 14:50:06,164 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:50:14,056 WARN  L833   $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_fifo_drop_head_~self#1.base|) |c_ULTIMATE.start_fifo_drop_head_~self#1.offset|))) (and (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.offset|) (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.offset|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_ULTIMATE.start_read~$Pointer$_#ptr#1.base|) (= .cse0 |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|) (= |c_pusherThread1of1ForFork0_~q~0#1.offset| 0) (= |c_pusherThread1of1ForFork0_~q_#1.offset| 0) (= |c_ULTIMATE.start_main_~#q~1#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_#in~self#1.offset| 0) (<= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_fifo_push_#in~self#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 0) (= .cse0 |c_ULTIMATE.start_read~$Pointer$_#value#1.base|) (= .cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |c_ULTIMATE.start_read~$Pointer$_#ptr#1.offset|)) (= .cse1 |c_ULTIMATE.start_read~$Pointer$_#value#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (<= 0 |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset|) (= |c_pusherThread1of1ForFork0_fifo_push_#in~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.offset| |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (= |c_pusherThread1of1ForFork0_~q_#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (= |c_pusherThread1of1ForFork0_#in~q_#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_#in~q_#1.base|) (= |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.base|) (= |c_ULTIMATE.start_read~$Pointer$_#ptr#1.offset| |c_ULTIMATE.start_fifo_drop_head_~self#1.offset|) (= |c_ULTIMATE.start_main_~#q~1#1.base| |c_pusherThread1of1ForFork0_#in~q_#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (forall ((|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| Int) (v_ArrVal_1653 Int)) (or (not (<= (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| v_ArrVal_1653)) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|))) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_ULTIMATE.start_fifo_pop_#in~self#1.base| |c_pusherThread1of1ForFork0_#in~q_#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_pop_#in~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base| .cse1) (= |c_ULTIMATE.start_write~$Pointer$_#ptr#1.offset| 0))) is different from false
[2022-10-03 14:50:14,347 WARN  L833   $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|) (= |c_pusherThread1of1ForFork0_~q~0#1.offset| 0) (<= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (<= 0 |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.offset| |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (= |c_pusherThread1of1ForFork0_#in~q_#1.offset| 0) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_#in~q_#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (forall ((|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| Int) (v_ArrVal_1653 Int)) (or (not (<= (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| v_ArrVal_1653)) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|))) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_fifo_drop_head_~self#1.base|) |c_ULTIMATE.start_fifo_drop_head_~self#1.offset|))) is different from false
[2022-10-03 14:50:18,659 WARN  L833   $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_fifo_drop_head_~self#1.base|) |c_ULTIMATE.start_fifo_drop_head_~self#1.offset|))) (and (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.offset|) (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.offset|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_ULTIMATE.start_read~$Pointer$_#ptr#1.base|) (= .cse0 |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|) (= |c_pusherThread1of1ForFork0_~q~0#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_#in~self#1.offset| 0) (<= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 0) (= .cse0 |c_ULTIMATE.start_read~$Pointer$_#value#1.base|) (= .cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |c_ULTIMATE.start_read~$Pointer$_#ptr#1.offset|)) (= .cse1 |c_ULTIMATE.start_read~$Pointer$_#value#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (<= 0 |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.offset| |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (= |c_pusherThread1of1ForFork0_#in~q_#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_#in~q_#1.base|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.base|) (= |c_ULTIMATE.start_read~$Pointer$_#ptr#1.offset| |c_ULTIMATE.start_fifo_drop_head_~self#1.offset|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (forall ((|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| Int) (v_ArrVal_1653 Int)) (or (not (<= (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| v_ArrVal_1653)) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|))) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base| .cse1) (= |c_ULTIMATE.start_write~$Pointer$_#ptr#1.offset| 0))) is different from false
[2022-10-03 14:50:19,009 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:50:19,009 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-10-03 14:50:19,009 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. 
[2022-10-03 14:50:19,079 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-10-03 14:50:19,210 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2022-10-03 14:50:19,210 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-03 14:50:19,211 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-03 14:50:19,211 INFO  L85        PathProgramCache]: Analyzing trace with hash 727382219, now seen corresponding path program 1 times
[2022-10-03 14:50:19,212 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-03 14:50:19,212 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244703025]
[2022-10-03 14:50:19,212 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-03 14:50:19,212 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-03 14:50:19,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-03 14:50:23,404 INFO  L134       CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked.
[2022-10-03 14:50:23,404 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-03 14:50:23,405 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244703025]
[2022-10-03 14:50:23,405 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244703025] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-03 14:50:23,405 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-03 14:50:23,405 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [74] imperfect sequences [] total 74
[2022-10-03 14:50:23,405 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754732983]
[2022-10-03 14:50:23,406 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-03 14:50:23,407 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 74 states
[2022-10-03 14:50:23,407 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-03 14:50:23,408 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants.
[2022-10-03 14:50:23,411 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=5157, Unknown=0, NotChecked=0, Total=5402
[2022-10-03 14:50:23,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:50:23,412 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-03 14:50:23,413 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 74 states, 74 states have (on average 11.932432432432432) internal successors, (883), 74 states have internal predecessors, (883), 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)
[2022-10-03 14:50:23,413 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:50:23,413 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-10-03 14:50:23,413 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. 
[2022-10-03 14:50:23,413 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:50:48,505 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:50:48,506 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-10-03 14:50:48,506 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. 
[2022-10-03 14:50:48,506 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2022-10-03 14:50:48,506 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-03 14:50:48,506 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-03 14:50:48,507 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-03 14:50:48,508 INFO  L85        PathProgramCache]: Analyzing trace with hash 1402436707, now seen corresponding path program 1 times
[2022-10-03 14:50:48,508 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-03 14:50:48,508 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338268726]
[2022-10-03 14:50:48,508 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-03 14:50:48,508 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-03 14:50:49,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-03 14:50:57,155 INFO  L134       CoverageAnalysis]: Checked inductivity of 44440 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 43928 trivial. 0 not checked.
[2022-10-03 14:50:57,155 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-03 14:50:57,155 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338268726]
[2022-10-03 14:50:57,156 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338268726] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-03 14:50:57,156 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-03 14:50:57,156 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-03 14:50:57,157 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679186352]
[2022-10-03 14:50:57,157 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-03 14:50:57,160 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-03 14:50:57,160 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-03 14:50:57,160 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-03 14:50:57,160 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-03 14:50:57,160 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:50:57,162 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-03 14:50:57,164 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 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)
[2022-10-03 14:50:57,164 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-03 14:50:57,164 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-10-03 14:50:57,164 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. 
[2022-10-03 14:50:57,164 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2022-10-03 14:50:57,164 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.