/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_1w1r.line1324.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 15:24:02,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 15:24:02,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 15:24:02,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 15:24:02,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 15:24:02,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 15:24:03,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 15:24:03,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 15:24:03,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 15:24:03,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 15:24:03,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 15:24:03,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 15:24:03,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 15:24:03,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 15:24:03,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 15:24:03,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 15:24:03,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 15:24:03,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 15:24:03,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 15:24:03,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 15:24:03,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 15:24:03,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 15:24:03,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 15:24:03,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 15:24:03,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 15:24:03,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 15:24:03,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 15:24:03,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 15:24:03,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 15:24:03,069 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 15:24:03,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 15:24:03,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 15:24:03,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 15:24:03,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 15:24:03,071 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 15:24:03,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 15:24:03,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 15:24:03,071 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 15:24:03,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 15:24:03,072 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 15:24:03,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 15:24:03,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 15:24:03,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 15:24:03,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 15:24:03,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 15:24:03,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 15:24:03,073 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 15:24:03,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 15:24:03,073 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 15:24:03,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 15:24:03,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 15:24:03,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 15:24:03,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 15:24:03,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 15:24:03,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:24:03,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 15:24:03,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 15:24:03,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 15:24:03,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 15:24:03,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 15:24:03,075 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 15:24:03,075 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 15:24:03,075 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 15:24:03,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 15:24:03,076 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 15:24:03,076 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 15:24:03,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 15:24:03,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 15:24:03,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 15:24:03,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 15:24:03,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 15:24:03,340 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 15:24:03,341 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 15:24:03,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1324.bpl [2022-10-03 15:24:03,343 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1324.bpl' [2022-10-03 15:24:03,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 15:24:03,428 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 15:24:03,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 15:24:03,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 15:24:03,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 15:24:03,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:24:03" (1/1) ... [2022-10-03 15:24:03,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:24:03" (1/1) ... [2022-10-03 15:24:03,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:24:03" (1/1) ... [2022-10-03 15:24:03,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:24:03" (1/1) ... [2022-10-03 15:24:03,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:24:03" (1/1) ... [2022-10-03 15:24:03,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:24:03" (1/1) ... [2022-10-03 15:24:03,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:24:03" (1/1) ... [2022-10-03 15:24:03,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 15:24:03,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 15:24:03,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 15:24:03,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 15:24:03,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:24:03" (1/1) ... [2022-10-03 15:24:03,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:24:03,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:24:03,596 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 15:24:03,623 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 15:24:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 15:24:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 15:24:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 15:24:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 15:24:03,641 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 15:24:03,777 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 15:24:03,779 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 15:24:04,897 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 15:24:04,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 15:24:04,927 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 15:24:04,932 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:24:04 BoogieIcfgContainer [2022-10-03 15:24:04,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 15:24:04,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 15:24:04,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 15:24:04,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 15:24:04,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:24:03" (1/2) ... [2022-10-03 15:24:04,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489d8638 and model type divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 03:24:04, skipping insertion in model container [2022-10-03 15:24:04,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1324.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:24:04" (2/2) ... [2022-10-03 15:24:04,948 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1324.bpl [2022-10-03 15:24:04,956 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 15:24:04,967 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 15:24:04,968 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 15:24:04,968 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 15:24:05,148 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 15:24:05,225 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 15:24:05,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 15:24:05,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:24:05,231 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 15:24:05,254 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 15:24:05,277 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 15:24:05,286 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 15:24:05,291 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;@1e734108, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 15:24:05,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 15:24:05,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:24:05,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:24:05,694 INFO L85 PathProgramCache]: Analyzing trace with hash -2139111952, now seen corresponding path program 1 times [2022-10-03 15:24:05,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:24:05,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039668472] [2022-10-03 15:24:05,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:24:05,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:24:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:24:06,205 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 15:24:06,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:24:06,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039668472] [2022-10-03 15:24:06,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039668472] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:24:06,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:24:06,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 15:24:06,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444054099] [2022-10-03 15:24:06,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:24:06,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 15:24:06,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:24:06,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 15:24:06,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 15:24:06,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:06,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:24:06,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 262.5) internal successors, (525), 2 states have internal predecessors, (525), 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 15:24:06,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:06,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:06,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 15:24:06,507 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:24:06,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:24:06,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1308001313, now seen corresponding path program 1 times [2022-10-03 15:24:06,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:24:06,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395680993] [2022-10-03 15:24:06,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:24:06,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:24:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:24:07,329 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 15:24:07,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:24:07,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395680993] [2022-10-03 15:24:07,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395680993] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:24:07,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:24:07,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-10-03 15:24:07,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606802419] [2022-10-03 15:24:07,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:24:07,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-03 15:24:07,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:24:07,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-03 15:24:07,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-10-03 15:24:07,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:07,334 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:24:07,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 39.4) internal successors, (591), 16 states have internal predecessors, (591), 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 15:24:07,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:07,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:09,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:09,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-03 15:24:09,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 15:24:09,909 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:24:09,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:24:09,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1186386230, now seen corresponding path program 1 times [2022-10-03 15:24:09,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:24:09,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2726245] [2022-10-03 15:24:09,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:24:09,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:24:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:24:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-03 15:24:10,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:24:10,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2726245] [2022-10-03 15:24:10,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2726245] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:24:10,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:24:10,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-03 15:24:10,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132338315] [2022-10-03 15:24:10,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:24:10,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-03 15:24:10,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:24:10,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-03 15:24:10,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-10-03 15:24:10,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:10,368 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:24:10,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 67.38461538461539) internal successors, (876), 14 states have internal predecessors, (876), 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 15:24:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-03 15:24:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:14,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:14,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-03 15:24:14,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-03 15:24:14,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-03 15:24:14,350 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:24:14,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:24:14,352 INFO L85 PathProgramCache]: Analyzing trace with hash 312634701, now seen corresponding path program 1 times [2022-10-03 15:24:14,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:24:14,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940689226] [2022-10-03 15:24:14,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:24:14,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:24:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:24:32,147 INFO L134 CoverageAnalysis]: Checked inductivity of 57028 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57028 trivial. 0 not checked. [2022-10-03 15:24:32,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:24:32,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940689226] [2022-10-03 15:24:32,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940689226] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:24:32,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:24:32,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [68] imperfect sequences [] total 68 [2022-10-03 15:24:32,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661510029] [2022-10-03 15:24:32,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:24:32,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-10-03 15:24:32,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:24:32,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-10-03 15:24:32,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=4340, Unknown=0, NotChecked=0, Total=4556 [2022-10-03 15:24:32,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:32,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:24:32,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 14.117647058823529) internal successors, (960), 68 states have internal predecessors, (960), 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 15:24:32,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:32,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-03 15:24:32,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-03 15:24:32,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:55,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:24:55,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-03 15:24:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-03 15:24:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-03 15:24:55,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-03 15:24:55,281 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:24:55,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:24:55,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1862563888, now seen corresponding path program 1 times [2022-10-03 15:24:55,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:24:55,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488382069] [2022-10-03 15:24:55,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:24:55,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:24:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:25:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 93407 backedges. 64622 proven. 18336 refuted. 0 times theorem prover too weak. 10449 trivial. 0 not checked. [2022-10-03 15:25:16,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:25:16,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488382069] [2022-10-03 15:25:16,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488382069] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:25:16,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647758274] [2022-10-03 15:25:16,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:25:16,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:25:16,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:25:16,109 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 15:25:16,110 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 15:25:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:25:19,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 23456 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-03 15:25:19,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:25:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 93407 backedges. 82771 proven. 0 refuted. 0 times theorem prover too weak. 10636 trivial. 0 not checked. [2022-10-03 15:25:27,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 15:25:27,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647758274] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:25:27,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 15:25:27,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 13 [2022-10-03 15:25:27,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588498031] [2022-10-03 15:25:27,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:25:28,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-03 15:25:28,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:25:28,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-03 15:25:28,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=87, Unknown=0, NotChecked=0, Total=156 [2022-10-03 15:25:28,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:25:28,006 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:25:28,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 407.5) internal successors, (4075), 10 states have internal predecessors, (4075), 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 15:25:28,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:25:28,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-03 15:25:28,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-03 15:25:28,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-03 15:25:28,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:25:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:25:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-03 15:25:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-03 15:25:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-03 15:25:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-03 15:25:29,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-03 15:25:29,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:25:29,624 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:25:29,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:25:29,626 INFO L85 PathProgramCache]: Analyzing trace with hash 82562163, now seen corresponding path program 1 times [2022-10-03 15:25:29,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:25:29,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353472717] [2022-10-03 15:25:29,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:25:29,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:25:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat