/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2c_insert_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:10:14,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:10:14,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:10:14,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:10:14,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:10:14,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:10:14,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:10:14,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:10:14,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:10:14,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:10:14,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:10:14,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:10:14,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:10:14,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:10:14,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:10:14,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:10:14,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:10:14,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:10:14,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:10:14,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:10:14,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:10:14,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:10:14,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:10:14,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:10:14,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:10:14,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:10:14,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:10:14,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:10:14,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 04:10:14,667 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:10:14,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:10:14,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:10:14,669 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:10:14,669 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:10:14,669 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:10:14,669 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:10:14,670 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:10:14,670 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:10:14,670 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:10:14,670 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:10:14,670 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:10:14,671 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:10:14,671 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:10:14,671 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:10:14,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:10:14,672 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:10:14,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:10:14,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:10:14,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:10:14,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:10:14,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:10:14,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:10:14,673 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:10:14,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:10:14,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:10:14,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:10:14,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:10:14,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:10:14,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:10:14,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:10:14,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:10:14,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:10:14,675 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:10:14,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:10:14,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:10:14,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:10:14,676 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:10:14,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:10:14,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:10:14,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:10:14,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:10:14,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:10:14,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_insert_unequal.i [2019-11-24 04:10:15,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3522f34fc/282aa7a6e33348aa81ba373ac5c43e07/FLAGa9dd9c9a0 [2019-11-24 04:10:15,666 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:10:15,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_insert_unequal.i [2019-11-24 04:10:15,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3522f34fc/282aa7a6e33348aa81ba373ac5c43e07/FLAGa9dd9c9a0 [2019-11-24 04:10:15,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3522f34fc/282aa7a6e33348aa81ba373ac5c43e07 [2019-11-24 04:10:15,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:10:15,970 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:10:15,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:10:15,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:10:15,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:10:15,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:10:15" (1/1) ... [2019-11-24 04:10:15,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1905c6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:15, skipping insertion in model container [2019-11-24 04:10:15,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:10:15" (1/1) ... [2019-11-24 04:10:15,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:10:16,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:10:16,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:10:16,548 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:10:16,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:10:16,680 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:10:16,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16 WrapperNode [2019-11-24 04:10:16,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:10:16,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:10:16,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:10:16,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:10:16,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16" (1/1) ... [2019-11-24 04:10:16,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16" (1/1) ... [2019-11-24 04:10:16,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:10:16,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:10:16,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:10:16,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:10:16,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16" (1/1) ... [2019-11-24 04:10:16,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16" (1/1) ... [2019-11-24 04:10:16,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16" (1/1) ... [2019-11-24 04:10:16,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16" (1/1) ... [2019-11-24 04:10:16,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16" (1/1) ... [2019-11-24 04:10:16,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16" (1/1) ... [2019-11-24 04:10:16,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16" (1/1) ... [2019-11-24 04:10:16,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:10:16,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:10:16,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:10:16,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:10:16,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:10:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 04:10:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 04:10:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 04:10:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 04:10:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 04:10:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 04:10:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 04:10:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 04:10:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:10:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:10:17,887 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:10:17,887 INFO L284 CfgBuilder]: Removed 27 assume(true) statements. [2019-11-24 04:10:17,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:10:17 BoogieIcfgContainer [2019-11-24 04:10:17,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:10:17,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:10:17,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:10:17,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:10:17,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:10:15" (1/3) ... [2019-11-24 04:10:17,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5442192c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:10:17, skipping insertion in model container [2019-11-24 04:10:17,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:10:16" (2/3) ... [2019-11-24 04:10:17,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5442192c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:10:17, skipping insertion in model container [2019-11-24 04:10:17,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:10:17" (3/3) ... [2019-11-24 04:10:17,899 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2c_insert_unequal.i [2019-11-24 04:10:17,911 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:10:17,922 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:10:17,937 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:10:17,968 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:10:17,968 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:10:17,968 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:10:17,969 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:10:17,969 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:10:17,969 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:10:17,970 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:10:17,970 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:10:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-24 04:10:18,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 04:10:18,001 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:10:18,002 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:10:18,003 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:10:18,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:10:18,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1207619109, now seen corresponding path program 1 times [2019-11-24 04:10:18,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:10:18,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429488818] [2019-11-24 04:10:18,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:10:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:10:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:10:18,353 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429488818] [2019-11-24 04:10:18,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:10:18,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:10:18,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042337641] [2019-11-24 04:10:18,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:10:18,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:10:18,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:10:18,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:10:18,378 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 3 states. [2019-11-24 04:10:18,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:10:18,428 INFO L93 Difference]: Finished difference Result 47 states and 74 transitions. [2019-11-24 04:10:18,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:10:18,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 04:10:18,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:10:18,442 INFO L225 Difference]: With dead ends: 47 [2019-11-24 04:10:18,443 INFO L226 Difference]: Without dead ends: 19 [2019-11-24 04:10:18,446 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:10:18,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-24 04:10:18,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2019-11-24 04:10:18,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-24 04:10:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2019-11-24 04:10:18,484 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 8 [2019-11-24 04:10:18,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:10:18,484 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2019-11-24 04:10:18,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:10:18,485 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2019-11-24 04:10:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 04:10:18,485 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:10:18,486 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:10:18,486 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:10:18,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:10:18,486 INFO L82 PathProgramCache]: Analyzing trace with hash -2093768499, now seen corresponding path program 1 times [2019-11-24 04:10:18,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:10:18,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393669345] [2019-11-24 04:10:18,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:10:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:10:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:10:18,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393669345] [2019-11-24 04:10:18,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:10:18,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:10:18,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063437276] [2019-11-24 04:10:18,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:10:18,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:10:18,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:10:18,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:10:18,644 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. Second operand 4 states. [2019-11-24 04:10:18,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:10:18,725 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2019-11-24 04:10:18,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:10:18,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-24 04:10:18,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:10:18,726 INFO L225 Difference]: With dead ends: 30 [2019-11-24 04:10:18,727 INFO L226 Difference]: Without dead ends: 19 [2019-11-24 04:10:18,728 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:10:18,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-24 04:10:18,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-24 04:10:18,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-24 04:10:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2019-11-24 04:10:18,733 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 10 [2019-11-24 04:10:18,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:10:18,733 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2019-11-24 04:10:18,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:10:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-11-24 04:10:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-24 04:10:18,734 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:10:18,735 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:10:18,735 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:10:18,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:10:18,735 INFO L82 PathProgramCache]: Analyzing trace with hash -587510773, now seen corresponding path program 1 times [2019-11-24 04:10:18,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:10:18,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676222170] [2019-11-24 04:10:18,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:10:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:10:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:10:19,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676222170] [2019-11-24 04:10:19,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517295056] [2019-11-24 04:10:19,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:10:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:10:19,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 92 conjunts are in the unsatisfiable core [2019-11-24 04:10:19,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:10:19,877 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-24 04:10:19,878 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-11-24 04:10:19,879 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:19,930 INFO L567 ElimStorePlain]: treesize reduction 10, result has 77.8 percent of original size [2019-11-24 04:10:19,931 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:10:19,931 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:35 [2019-11-24 04:10:20,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:10:20,047 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:20,165 INFO L343 Elim1Store]: treesize reduction 8, result has 89.9 percent of original size [2019-11-24 04:10:20,166 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 45 treesize of output 111 [2019-11-24 04:10:20,167 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:20,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:20,225 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:20,225 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 76 [2019-11-24 04:10:20,227 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:20,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:20,266 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:20,267 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 76 [2019-11-24 04:10:20,268 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:20,485 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 35 [2019-11-24 04:10:20,486 INFO L567 ElimStorePlain]: treesize reduction 72, result has 64.4 percent of original size [2019-11-24 04:10:20,487 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-11-24 04:10:20,487 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:130 [2019-11-24 04:10:20,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:10:20,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:20,676 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 51 [2019-11-24 04:10:20,677 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:20,927 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-11-24 04:10:20,928 INFO L567 ElimStorePlain]: treesize reduction 12, result has 93.3 percent of original size [2019-11-24 04:10:20,939 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:20,950 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 49 [2019-11-24 04:10:20,950 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:21,076 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-11-24 04:10:21,076 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:21,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:21,098 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2019-11-24 04:10:21,098 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:21,172 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:21,173 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-11-24 04:10:21,173 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:189, output treesize:144 [2019-11-24 04:10:21,323 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-11-24 04:10:21,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:10:21,459 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:21,467 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:21,529 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:21,530 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 103 treesize of output 153 [2019-11-24 04:10:21,532 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:21,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:21,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:21,591 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:21,592 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 114 [2019-11-24 04:10:21,593 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:21,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:21,608 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:21,626 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:21,627 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 117 [2019-11-24 04:10:21,628 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:22,001 WARN L192 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-11-24 04:10:22,002 INFO L567 ElimStorePlain]: treesize reduction 97, result has 65.1 percent of original size [2019-11-24 04:10:22,014 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 82 [2019-11-24 04:10:22,015 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:22,021 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 74 [2019-11-24 04:10:22,022 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:22,103 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:22,105 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-24 04:10:22,105 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:303, output treesize:139 [2019-11-24 04:10:22,252 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_123|, |v_#memory_int_128|], 4=[|v_#memory_$Pointer$.base_104|, |v_#memory_$Pointer$.offset_104|]} [2019-11-24 04:10:22,260 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:22,320 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:22,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:22,338 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 37 [2019-11-24 04:10:22,339 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:22,404 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:22,410 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:22,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:22,423 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2019-11-24 04:10:22,425 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:22,475 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:22,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:22,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:22,493 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2019-11-24 04:10:22,494 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:22,540 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:22,542 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:22,543 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:153, output treesize:95 [2019-11-24 04:10:22,739 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:10:22,742 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:10:22,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:10:22,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:10:22,765 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_124|, v_prenex_3], 7=[v_prenex_4, v_prenex_5]} [2019-11-24 04:10:22,772 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:22,780 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:22,934 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2019-11-24 04:10:22,935 INFO L567 ElimStorePlain]: treesize reduction 246, result has 49.1 percent of original size [2019-11-24 04:10:22,943 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:22,944 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 36 [2019-11-24 04:10:22,945 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:22,983 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:22,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:22,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:22,995 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:22,996 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 81 [2019-11-24 04:10:22,996 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:23,020 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:23,022 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:23,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:10:23,026 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 47 [2019-11-24 04:10:23,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:10:23,028 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:23,060 INFO L567 ElimStorePlain]: treesize reduction 4, result has 90.7 percent of original size [2019-11-24 04:10:23,062 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:10:23,062 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 10 variables, input treesize:473, output treesize:18 [2019-11-24 04:10:23,104 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-24 04:10:23,105 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:10:23,110 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:23,110 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:10:23,111 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:7 [2019-11-24 04:10:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:10:23,144 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:10:23,183 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:10:23,187 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:10:23,221 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:23,232 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:23,955 WARN L192 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 04:10:23,956 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:23,968 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:24,796 WARN L192 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 04:10:24,796 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:24,803 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:24,831 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:25,585 WARN L192 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 04:10:25,586 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:25,600 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:25,610 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:26,272 WARN L192 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 04:10:26,273 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:26,278 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:26,912 WARN L192 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 04:10:26,912 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:26,940 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:26,946 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:27,482 WARN L192 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 04:10:27,482 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:27,489 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:27,496 INFO L496 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:27,844 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 04:10:27,844 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:27,846 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 7 dim-2 vars, End of recursive call: 21 dim-0 vars, and 5 xjuncts. [2019-11-24 04:10:27,847 INFO L221 ElimStorePlain]: Needed 13 recursive calls to eliminate 12 variables, input treesize:1319, output treesize:1343 [2019-11-24 04:10:42,999 WARN L192 SmtUtils]: Spent 11.79 s on a formula simplification that was a NOOP. DAG size: 201 [2019-11-24 04:10:57,335 WARN L192 SmtUtils]: Spent 9.32 s on a formula simplification that was a NOOP. DAG size: 201 [2019-11-24 04:10:57,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:10:57,365 INFO L392 ElimStorePlain]: Different costs {12=[|v_#memory_$Pointer$.base_107|, |v_#memory_$Pointer$.offset_107|], 21=[|v_#memory_int_123|]} [2019-11-24 04:10:57,379 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:57,402 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:57,416 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:57,755 WARN L192 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 04:10:57,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:57,766 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:57,780 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:57,792 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:58,153 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 04:10:58,154 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:58,164 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:58,177 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:58,188 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:10:58,475 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 04:10:58,475 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:10:58,478 INFO L496 ElimStorePlain]: Start of recursive call 1: 15 dim-0 vars, 3 dim-2 vars, End of recursive call: 28 dim-0 vars, and 3 xjuncts. [2019-11-24 04:10:58,478 INFO L221 ElimStorePlain]: Needed 10 recursive calls to eliminate 18 variables, input treesize:721, output treesize:1325 [2019-11-24 04:11:25,654 WARN L192 SmtUtils]: Spent 9.63 s on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 04:11:25,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:11:25,688 INFO L392 ElimStorePlain]: Different costs {16=[|v_#memory_$Pointer$.offset_108|, |v_#memory_$Pointer$.base_108|], 24=[|v_#memory_int_132|]} [2019-11-24 04:11:25,738 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 36985 treesize of output 36661 [2019-11-24 04:11:25,748 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:11:26,093 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 682887 treesize of output 673411 [2019-11-24 04:11:26,123 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:11:28,352 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 188 treesize of output 180 [2019-11-24 04:11:28,353 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.