java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/reducercommutativity/rangesum60.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:20:33,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:20:33,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:20:33,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:20:33,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:20:33,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:20:33,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:20:33,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:20:33,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:20:33,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:20:33,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:20:33,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:20:33,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:20:33,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:20:33,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:20:33,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:20:33,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:20:33,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:20:33,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:20:33,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:20:33,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:20:33,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:20:33,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:20:33,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:20:33,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 23:20:33,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:20:33,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:20:33,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:20:33,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:20:33,584 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:20:33,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:20:33,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:20:33,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:20:33,586 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:20:33,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:20:33,586 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:20:33,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:20:33,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:20:33,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:20:33,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:20:33,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:20:33,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:20:33,588 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:20:33,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:20:33,588 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:20:33,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:20:33,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:20:33,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:20:33,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:20:33,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:20:33,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:20:33,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:20:33,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:20:33,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:20:33,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:20:33,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:20:33,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:20:33,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:20:33,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:20:33,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:20:33,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:20:33,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:20:33,881 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:20:33,882 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum60.i [2019-10-13 23:20:33,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d16f1726f/aafbd3c6568b412dbf70c678196ab58a/FLAGb248c5d57 [2019-10-13 23:20:34,457 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:20:34,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/rangesum60.i [2019-10-13 23:20:34,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d16f1726f/aafbd3c6568b412dbf70c678196ab58a/FLAGb248c5d57 [2019-10-13 23:20:34,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d16f1726f/aafbd3c6568b412dbf70c678196ab58a [2019-10-13 23:20:34,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:20:34,845 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:20:34,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:20:34,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:20:34,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:20:34,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:20:34" (1/1) ... [2019-10-13 23:20:34,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4264f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:34, skipping insertion in model container [2019-10-13 23:20:34,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:20:34" (1/1) ... [2019-10-13 23:20:34,860 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:20:34,877 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:20:35,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:20:35,126 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:20:35,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:20:35,250 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:20:35,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:35 WrapperNode [2019-10-13 23:20:35,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:20:35,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:20:35,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:20:35,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:20:35,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:35" (1/1) ... [2019-10-13 23:20:35,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:35" (1/1) ... [2019-10-13 23:20:35,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:35" (1/1) ... [2019-10-13 23:20:35,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:35" (1/1) ... [2019-10-13 23:20:35,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:35" (1/1) ... [2019-10-13 23:20:35,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:35" (1/1) ... [2019-10-13 23:20:35,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:35" (1/1) ... [2019-10-13 23:20:35,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:20:35,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:20:35,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:20:35,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:20:35,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:35" (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 [2019-10-13 23:20:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:20:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:20:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2019-10-13 23:20:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-10-13 23:20:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:20:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:20:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:20:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2019-10-13 23:20:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:20:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-10-13 23:20:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:20:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:20:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:20:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:20:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:20:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:20:36,363 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:20:36,363 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-13 23:20:36,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:20:36 BoogieIcfgContainer [2019-10-13 23:20:36,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:20:36,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:20:36,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:20:36,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:20:36,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:20:34" (1/3) ... [2019-10-13 23:20:36,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98af25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:20:36, skipping insertion in model container [2019-10-13 23:20:36,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:35" (2/3) ... [2019-10-13 23:20:36,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98af25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:20:36, skipping insertion in model container [2019-10-13 23:20:36,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:20:36" (3/3) ... [2019-10-13 23:20:36,371 INFO L109 eAbstractionObserver]: Analyzing ICFG rangesum60.i [2019-10-13 23:20:36,380 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:20:36,387 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:20:36,397 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:20:36,419 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:20:36,420 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:20:36,420 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:20:36,420 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:20:36,423 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:20:36,423 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:20:36,424 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:20:36,424 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:20:36,445 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-10-13 23:20:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 23:20:36,453 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:20:36,454 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:20:36,456 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:20:36,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:20:36,460 INFO L82 PathProgramCache]: Analyzing trace with hash 156737714, now seen corresponding path program 1 times [2019-10-13 23:20:36,467 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:20:36,468 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590123250] [2019-10-13 23:20:36,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:36,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:36,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:20:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:20:36,604 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590123250] [2019-10-13 23:20:36,605 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-13 23:20:36,605 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823009798] [2019-10-13 23:20:36,606 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 [2019-10-13 23:20:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:20:36,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 23:20:36,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:20:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 23:20:36,741 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:20:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 23:20:36,815 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:20:36,815 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-13 23:20:36,815 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627831031] [2019-10-13 23:20:36,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:20:36,824 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:20:36,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:20:36,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:36,841 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2019-10-13 23:20:36,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:20:36,879 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2019-10-13 23:20:36,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:20:36,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-10-13 23:20:36,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:20:36,890 INFO L225 Difference]: With dead ends: 48 [2019-10-13 23:20:36,891 INFO L226 Difference]: Without dead ends: 25 [2019-10-13 23:20:36,894 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:36,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-10-13 23:20:36,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-10-13 23:20:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-13 23:20:36,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-10-13 23:20:36,943 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 28 [2019-10-13 23:20:36,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:20:36,944 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-10-13 23:20:36,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:20:36,945 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-10-13 23:20:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-13 23:20:36,948 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:20:36,948 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:20:37,152 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:37,156 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:20:37,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:20:37,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1219753554, now seen corresponding path program 1 times [2019-10-13 23:20:37,157 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:20:37,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705093128] [2019-10-13 23:20:37,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:37,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:37,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:20:37,180 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:20:37,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [708941102] [2019-10-13 23:20:37,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:20:37,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 23:20:37,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:20:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 23:20:37,265 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:20:37,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 23:20:37,299 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705093128] [2019-10-13 23:20:37,299 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:20:37,299 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708941102] [2019-10-13 23:20:37,300 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 23:20:37,300 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2019-10-13 23:20:37,300 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177495850] [2019-10-13 23:20:37,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:20:37,301 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:20:37,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:20:37,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:37,302 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 3 states. [2019-10-13 23:20:37,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:20:37,322 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2019-10-13 23:20:37,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:20:37,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-10-13 23:20:37,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:20:37,324 INFO L225 Difference]: With dead ends: 38 [2019-10-13 23:20:37,325 INFO L226 Difference]: Without dead ends: 26 [2019-10-13 23:20:37,326 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:37,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-13 23:20:37,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-10-13 23:20:37,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-13 23:20:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-10-13 23:20:37,333 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 30 [2019-10-13 23:20:37,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:20:37,333 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-10-13 23:20:37,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:20:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-10-13 23:20:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-13 23:20:37,335 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:20:37,335 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:20:37,538 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:37,539 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:20:37,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:20:37,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1119206734, now seen corresponding path program 1 times [2019-10-13 23:20:37,540 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:20:37,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091287284] [2019-10-13 23:20:37,541 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:37,541 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:37,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:20:37,595 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:20:37,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1999125267] [2019-10-13 23:20:37,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:20:37,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 23:20:37,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:20:37,685 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 23:20:37,686 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:20:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 23:20:37,721 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091287284] [2019-10-13 23:20:37,721 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:20:37,722 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999125267] [2019-10-13 23:20:37,722 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:20:37,722 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-13 23:20:37,722 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046782966] [2019-10-13 23:20:37,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:20:37,723 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:20:37,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:20:37,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:37,724 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 4 states. [2019-10-13 23:20:37,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:20:37,740 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2019-10-13 23:20:37,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:20:37,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-10-13 23:20:37,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:20:37,742 INFO L225 Difference]: With dead ends: 37 [2019-10-13 23:20:37,742 INFO L226 Difference]: Without dead ends: 28 [2019-10-13 23:20:37,742 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:37,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-10-13 23:20:37,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-10-13 23:20:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-13 23:20:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2019-10-13 23:20:37,749 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 33 [2019-10-13 23:20:37,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:20:37,751 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2019-10-13 23:20:37,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:20:37,751 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2019-10-13 23:20:37,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-13 23:20:37,752 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:20:37,753 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:20:37,959 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:37,959 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:20:37,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:20:37,961 INFO L82 PathProgramCache]: Analyzing trace with hash -635922546, now seen corresponding path program 1 times [2019-10-13 23:20:37,961 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:20:37,962 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10614228] [2019-10-13 23:20:37,962 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:37,962 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:37,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:20:37,985 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:20:37,985 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716182376] [2019-10-13 23:20:37,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:20:38,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 23:20:38,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:20:38,075 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 23:20:38,076 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:20:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 23:20:38,137 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10614228] [2019-10-13 23:20:38,138 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:20:38,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716182376] [2019-10-13 23:20:38,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1397192164] [2019-10-13 23:20:38,171 INFO L162 IcfgInterpreter]: Started Sifa with 23 locations of interest [2019-10-13 23:20:38,172 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:20:38,181 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:20:38,193 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:20:38,194 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:20:38,358 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-13 23:20:39,908 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 23:20:46,066 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |main_~#x~0.offset| 4) 0) [2019-10-13 23:20:48,091 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_61| |main_~#x~0.base|))) (= (select .cse0 |main_~#x~0.offset|) (select .cse0 (+ |main_~#x~0.offset| 4)))) [2019-10-13 23:20:50,094 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_61| |main_~#x~0.base|))) (= (select .cse0 |main_~#x~0.offset|) (select .cse0 (+ |main_~#x~0.offset| 4)))) [2019-10-13 23:20:52,099 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select (select |v_#memory_int_61| |main_~#x~0.base|) |main_~#x~0.offset|) main_~temp~0) [2019-10-13 23:20:54,124 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~temp~0 (select (select |v_#memory_int_61| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:20:56,126 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~temp~0 (select (select |v_#memory_int_61| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:20:58,129 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|)) [2019-10-13 23:21:00,132 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|)) [2019-10-13 23:21:02,134 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:21:04,136 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:21:04,247 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 23:21:04,328 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 23:21:04,409 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 23:21:04,490 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 23:21:10,419 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |main_~#x~0.offset| 4) 0) [2019-10-13 23:21:12,424 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_61| |main_~#x~0.base|))) (= (select .cse0 |main_~#x~0.offset|) (select .cse0 (+ |main_~#x~0.offset| 4)))) [2019-10-13 23:21:14,426 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_61| |main_~#x~0.base|))) (= (select .cse0 |main_~#x~0.offset|) (select .cse0 (+ |main_~#x~0.offset| 4)))) [2019-10-13 23:21:16,433 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~temp~0 (select (select |v_#memory_int_61| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:21:18,435 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~temp~0 (select (select |v_#memory_int_61| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:21:20,438 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|)) [2019-10-13 23:21:23,116 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:21:25,118 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:21:25,210 WARN L225 Elim1Store]: Array PQE input equivalent to false