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/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 13:34:54,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:34:54,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:34:54,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:34:54,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:34:54,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:34:54,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:34:54,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:34:54,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:34:54,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:34:54,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:34:54,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:34:54,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:34:54,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:34:54,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:34:54,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:34:54,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:34:54,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:34:54,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:34:54,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:34:54,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:34:54,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:34:54,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:34:54,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:34:54,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-07 13:34:54,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:34:54,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:34:54,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:34:54,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:34:54,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:34:54,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:34:54,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:34:54,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:34:54,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:34:54,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:34:54,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:34:54,773 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 [2019-10-07 13:34:54,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:34:54,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:34:54,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:34:54,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:34:54,810 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:34:54,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:34:54,811 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:34:54,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:34:54,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:34:54,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:34:54,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:34:54,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:34:54,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:34:54,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:34:54,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:34:54,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:34:54,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:34:54,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:34:54,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:34:54,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:34:54,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:34:54,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:34:54,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:34:54,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:34:54,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:34:54,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:34:54,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:34:54,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:34:54,817 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 [2019-10-07 13:34:55,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:34:55,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:34:55,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:34:55,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:34:55,124 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:34:55,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-10-07 13:34:55,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74a43e0c/1701137902b54015a78f4fed5ab1a22a/FLAG2f75d5a27 [2019-10-07 13:34:55,625 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:34:55,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-10-07 13:34:55,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74a43e0c/1701137902b54015a78f4fed5ab1a22a/FLAG2f75d5a27 [2019-10-07 13:34:55,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74a43e0c/1701137902b54015a78f4fed5ab1a22a [2019-10-07 13:34:56,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:34:56,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:34:56,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:34:56,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:34:56,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:34:56,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:34:55" (1/1) ... [2019-10-07 13:34:56,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3304fef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:34:56, skipping insertion in model container [2019-10-07 13:34:56,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:34:55" (1/1) ... [2019-10-07 13:34:56,019 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:34:56,040 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:34:56,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:34:56,217 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:34:56,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:34:56,357 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:34:56,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:34:56 WrapperNode [2019-10-07 13:34:56,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:34:56,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:34:56,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:34:56,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:34:56,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:34:56" (1/1) ... [2019-10-07 13:34:56,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:34:56" (1/1) ... [2019-10-07 13:34:56,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:34:56" (1/1) ... [2019-10-07 13:34:56,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:34:56" (1/1) ... [2019-10-07 13:34:56,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:34:56" (1/1) ... [2019-10-07 13:34:56,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:34:56" (1/1) ... [2019-10-07 13:34:56,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:34:56" (1/1) ... [2019-10-07 13:34:56,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:34:56,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:34:56,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:34:56,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:34:56,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:34:56" (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 [2019-10-07 13:34:56,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:34:56,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:34:56,454 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:34:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:34:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 13:34:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-07 13:34:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 13:34:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:34:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 13:34:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 13:34:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 13:34:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:34:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:34:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 13:34:56,799 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:34:56,799 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 13:34:56,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:34:56 BoogieIcfgContainer [2019-10-07 13:34:56,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:34:56,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:34:56,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:34:56,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:34:56,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:34:55" (1/3) ... [2019-10-07 13:34:56,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ac09a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:34:56, skipping insertion in model container [2019-10-07 13:34:56,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:34:56" (2/3) ... [2019-10-07 13:34:56,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ac09a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:34:56, skipping insertion in model container [2019-10-07 13:34:56,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:34:56" (3/3) ... [2019-10-07 13:34:56,808 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2019-10-07 13:34:56,817 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:34:56,824 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-07 13:34:56,836 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-07 13:34:56,862 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:34:56,862 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:34:56,862 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:34:56,862 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:34:56,862 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:34:56,862 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:34:56,863 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:34:56,863 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:34:56,882 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2019-10-07 13:34:56,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-07 13:34:56,889 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:34:56,890 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:34:56,892 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:34:56,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:34:56,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1493056857, now seen corresponding path program 1 times [2019-10-07 13:34:56,904 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:34:56,904 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:34:56,904 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:34:56,905 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:34:56,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:34:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:34:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:34:57,090 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:34:57,091 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:34:57,091 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:34:57,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:34:57,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:34:57,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:34:57,107 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2019-10-07 13:34:57,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:34:57,148 INFO L93 Difference]: Finished difference Result 50 states and 66 transitions. [2019-10-07 13:34:57,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:34:57,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-10-07 13:34:57,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:34:57,164 INFO L225 Difference]: With dead ends: 50 [2019-10-07 13:34:57,164 INFO L226 Difference]: Without dead ends: 32 [2019-10-07 13:34:57,167 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:34:57,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-10-07 13:34:57,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2019-10-07 13:34:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-07 13:34:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2019-10-07 13:34:57,209 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 12 [2019-10-07 13:34:57,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:34:57,209 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2019-10-07 13:34:57,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:34:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2019-10-07 13:34:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-07 13:34:57,210 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:34:57,211 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:34:57,211 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:34:57,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:34:57,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1230815368, now seen corresponding path program 1 times [2019-10-07 13:34:57,212 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:34:57,212 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:34:57,213 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:34:57,213 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:34:57,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:34:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:34:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:34:57,284 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:34:57,284 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:34:57,284 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 13:34:57,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 13:34:57,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 13:34:57,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 13:34:57,287 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand 4 states. [2019-10-07 13:34:57,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:34:57,344 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2019-10-07 13:34:57,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:34:57,345 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-10-07 13:34:57,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:34:57,346 INFO L225 Difference]: With dead ends: 50 [2019-10-07 13:34:57,346 INFO L226 Difference]: Without dead ends: 48 [2019-10-07 13:34:57,347 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:34:57,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-10-07 13:34:57,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 32. [2019-10-07 13:34:57,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-07 13:34:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2019-10-07 13:34:57,356 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 13 [2019-10-07 13:34:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:34:57,356 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2019-10-07 13:34:57,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 13:34:57,357 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2019-10-07 13:34:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-07 13:34:57,357 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:34:57,358 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:34:57,358 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:34:57,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:34:57,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1294538317, now seen corresponding path program 1 times [2019-10-07 13:34:57,359 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:34:57,359 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:34:57,360 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:34:57,360 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:34:57,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:34:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:34:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:34:57,427 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:34:57,427 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:34:57,427 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:34:57,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:34:57,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:34:57,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:34:57,429 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand 3 states. [2019-10-07 13:34:57,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:34:57,478 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2019-10-07 13:34:57,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:34:57,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-10-07 13:34:57,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:34:57,480 INFO L225 Difference]: With dead ends: 59 [2019-10-07 13:34:57,480 INFO L226 Difference]: Without dead ends: 39 [2019-10-07 13:34:57,481 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:34:57,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-07 13:34:57,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2019-10-07 13:34:57,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-07 13:34:57,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2019-10-07 13:34:57,487 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 13 [2019-10-07 13:34:57,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:34:57,488 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2019-10-07 13:34:57,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:34:57,488 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2019-10-07 13:34:57,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-07 13:34:57,489 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:34:57,489 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:34:57,489 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:34:57,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:34:57,490 INFO L82 PathProgramCache]: Analyzing trace with hash -442233424, now seen corresponding path program 1 times [2019-10-07 13:34:57,490 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:34:57,490 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:34:57,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:34:57,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:34:57,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:34:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:34:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:34:57,531 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:34:57,532 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:34:57,532 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:34:57,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:34:57,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:34:57,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:34:57,534 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 3 states. [2019-10-07 13:34:57,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:34:57,593 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2019-10-07 13:34:57,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:34:57,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-10-07 13:34:57,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:34:57,594 INFO L225 Difference]: With dead ends: 53 [2019-10-07 13:34:57,594 INFO L226 Difference]: Without dead ends: 33 [2019-10-07 13:34:57,595 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:34:57,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-07 13:34:57,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2019-10-07 13:34:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-07 13:34:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2019-10-07 13:34:57,600 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2019-10-07 13:34:57,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:34:57,600 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2019-10-07 13:34:57,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:34:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2019-10-07 13:34:57,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-07 13:34:57,601 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:34:57,601 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:34:57,602 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:34:57,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:34:57,602 INFO L82 PathProgramCache]: Analyzing trace with hash -503898809, now seen corresponding path program 1 times [2019-10-07 13:34:57,602 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:34:57,603 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:34:57,603 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:34:57,603 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:34:57,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:34:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:34:58,146 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2019-10-07 13:34:58,692 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 89 [2019-10-07 13:34:59,068 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 73 [2019-10-07 13:34:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:34:59,090 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:34:59,091 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:34:59,092 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 13:34:59,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 13:34:59,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 13:34:59,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 13:34:59,094 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 9 states. [2019-10-07 13:34:59,330 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2019-10-07 13:34:59,508 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 46 [2019-10-07 13:35:00,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:35:00,098 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2019-10-07 13:35:00,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 13:35:00,098 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2019-10-07 13:35:00,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:35:00,099 INFO L225 Difference]: With dead ends: 43 [2019-10-07 13:35:00,099 INFO L226 Difference]: Without dead ends: 28 [2019-10-07 13:35:00,100 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2019-10-07 13:35:00,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-10-07 13:35:00,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-10-07 13:35:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-07 13:35:00,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2019-10-07 13:35:00,106 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 19 [2019-10-07 13:35:00,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:35:00,107 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2019-10-07 13:35:00,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 13:35:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-10-07 13:35:00,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-07 13:35:00,108 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:35:00,108 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:35:00,110 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:35:00,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:35:00,111 INFO L82 PathProgramCache]: Analyzing trace with hash 907184126, now seen corresponding path program 1 times [2019-10-07 13:35:00,111 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:35:00,111 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:35:00,111 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:35:00,111 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:35:00,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:35:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:35:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:35:00,188 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:35:00,188 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:35:00,189 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 13:35:00,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 13:35:00,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 13:35:00,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 13:35:00,190 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 6 states. [2019-10-07 13:35:00,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:35:00,253 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2019-10-07 13:35:00,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 13:35:00,253 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-10-07 13:35:00,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:35:00,255 INFO L225 Difference]: With dead ends: 41 [2019-10-07 13:35:00,255 INFO L226 Difference]: Without dead ends: 39 [2019-10-07 13:35:00,256 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-07 13:35:00,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-07 13:35:00,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 26. [2019-10-07 13:35:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-07 13:35:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2019-10-07 13:35:00,264 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 20 [2019-10-07 13:35:00,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:35:00,264 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2019-10-07 13:35:00,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 13:35:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2019-10-07 13:35:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-07 13:35:00,265 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:35:00,266 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:35:00,267 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:35:00,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:35:00,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1084636737, now seen corresponding path program 1 times [2019-10-07 13:35:00,272 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:35:00,273 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:35:00,273 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:35:00,274 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:35:00,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:35:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:35:12,330 WARN L191 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2019-10-07 13:35:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:35:16,731 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:35:16,731 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:35:16,731 INFO L95 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 [2019-10-07 13:35:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:35:16,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-07 13:35:16,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:35:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:35:17,027 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:35:21,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:35:21,223 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:35:21,250 INFO L162 IcfgInterpreter]: Started Sifa with 20 locations of interest [2019-10-07 13:35:21,250 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:35:21,257 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:35:21,265 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:35:21,266 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:35:21,436 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-07 13:35:22,384 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 19 for LOIs [2019-10-07 13:35:22,395 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:35:22,395 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:35:22,396 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 225#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_136~0)| ~__return_136~0)) [2019-10-07 13:35:22,396 INFO L193 IcfgInterpreter]: Reachable states at location L151 satisfy 100#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,396 INFO L193 IcfgInterpreter]: Reachable states at location L141 satisfy 63#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= 1 main_~main____CPAchecker_TMP_0~0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,397 INFO L193 IcfgInterpreter]: Reachable states at location L45 satisfy 82#(and (<= main_~main__loop_entered~0 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,397 INFO L193 IcfgInterpreter]: Reachable states at location L24 satisfy 53#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (< (mod main_~main__index1~0 4294967296) 100000) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,397 INFO L193 IcfgInterpreter]: Reachable states at location L35 satisfy 68#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= 1 main_~__tmp_1~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= 1 main_~main____CPAchecker_TMP_0~0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (= main_~__tmp_1~0 main_~main____CPAchecker_TMP_0~0) (<= main_~__tmp_1~0 1) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,397 INFO L193 IcfgInterpreter]: Reachable states at location L26 satisfy 58#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,398 INFO L193 IcfgInterpreter]: Reachable states at location L16 satisfy 38#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,398 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= ~__tmp_155_0~0 0) (<= 0 ~__return_main~0) (= ~__tmp_155_0~0 0) (<= 0 ~__return_136~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 ~__tmp_155_0~0) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,398 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |old(~__tmp_155_0~0)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= ~__tmp_155_0~0 0) (<= 0 ~__return_136~0) (<= ~__return_main~0 0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 ~__tmp_155_0~0) (= |#valid| |old(#valid)|) (<= 0 |old(~__tmp_155_0~0)|) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= |old(#length)| |#length|) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,398 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 230#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= ~__tmp_155_0~0 0) (<= 0 ~__return_main~0) (= ~__tmp_155_0~0 0) (<= 0 ~__return_136~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~__tmp_155_0~0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,399 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:35:22,399 INFO L193 IcfgInterpreter]: Reachable states at location L103 satisfy 211#(and (< (mod main_~main__index2~0 4294967296) (mod main_~main__index1~0 4294967296)) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (ite (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index2~0 4294967296) 2147483647) (mod main_~main__index2~0 4294967296) (+ (mod main_~main__index2~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index1~0 4294967296) 2147483647) (mod main_~main__index1~0 4294967296) (+ (mod main_~main__index1~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296)) 1 0) main_~__tmp_3~0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_3~0 1) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (<= main_~__VERIFIER_assert__cond~2 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,399 INFO L193 IcfgInterpreter]: Reachable states at location L114 satisfy 206#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,400 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 221#(and (< (mod main_~main__index2~0 4294967296) (mod main_~main__index1~0 4294967296)) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (ite (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index2~0 4294967296) 2147483647) (mod main_~main__index2~0 4294967296) (+ (mod main_~main__index2~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index1~0 4294967296) 2147483647) (mod main_~main__index1~0 4294967296) (+ (mod main_~main__index1~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296)) 1 0) main_~__tmp_3~0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (= main_~__VERIFIER_assert__cond~2 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (<= main_~__tmp_3~0 0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,400 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,400 INFO L193 IcfgInterpreter]: Reachable states at location L105 satisfy 216#(and (< (mod main_~main__index2~0 4294967296) (mod main_~main__index1~0 4294967296)) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (ite (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index2~0 4294967296) 2147483647) (mod main_~main__index2~0 4294967296) (+ (mod main_~main__index2~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index1~0 4294967296) 2147483647) (mod main_~main__index1~0 4294967296) (+ (mod main_~main__index1~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296)) 1 0) main_~__tmp_3~0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (= main_~__VERIFIER_assert__cond~2 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (<= main_~__tmp_3~0 0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,401 INFO L193 IcfgInterpreter]: Reachable states at location L52 satisfy 91#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,402 INFO L193 IcfgInterpreter]: Reachable states at location L74 satisfy 73#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= 1 main_~__tmp_1~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (not (= main_~__VERIFIER_assert__cond~0 0)) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= 1 main_~main____CPAchecker_TMP_0~0) (<= main_~__VERIFIER_assert__cond~0 1) (= ~__tmp_155_0~0 main_~main____CPAchecker_TMP_0~0) (<= 0 |old(~__tmp_155_0~0)|) (<= ~__tmp_155_0~0 1) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (= main_~__tmp_1~0 main_~main____CPAchecker_TMP_0~0) (<= main_~__tmp_1~0 1) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,402 INFO L193 IcfgInterpreter]: Reachable states at location L21 satisfy 48#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:35:22,654 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2019-10-07 13:35:25,327 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2019-10-07 13:35:25,499 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2019-10-07 13:35:25,716 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-10-07 13:35:26,250 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2019-10-07 13:35:26,498 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2019-10-07 13:35:30,864 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2019-10-07 13:35:31,116 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 54 [2019-10-07 13:35:36,404 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2019-10-07 13:35:36,407 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 13:35:36,407 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4, 15] total 27 [2019-10-07 13:35:36,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-07 13:35:36,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-07 13:35:36,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=576, Unknown=4, NotChecked=0, Total=702 [2019-10-07 13:35:36,410 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 27 states. [2019-10-07 13:35:40,776 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 60 [2019-10-07 13:35:42,836 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (div c_main_~main__index2~0 4294967296))) (let ((.cse0 (* 4294967296 (div (+ c_main_~main__index1~0 (- 1)) 4294967296))) (.cse1 (* 4294967296 .cse3)) (.cse2 (* 4294967296 (div c_main_~main__index1~0 4294967296)))) (and (= |c_#NULL.base| 0) (<= c_main_~main__index1~0 (+ .cse0 100000)) (<= 1 c_main_~main____CPAchecker_TMP_0~0) (= c_main_~main__loop_entered~0 1) (<= c_main_~main__index2~0 (+ .cse1 99999)) (<= 1 c_~__tmp_155_0~0) (<= c_main_~main____CPAchecker_TMP_0~0 1) (= |c_main_~#main__array~0.offset| 0) (<= c_main_~__VERIFIER_assert__cond~0 1) (<= c_main_~main__index1~0 (+ (* 4294967296 (div (+ .cse2 (* 4294967294 c_main_~main__index1~0) .cse0 (* (- 4294967295) c_main_~main__index2~0) (* (- 4294967296) .cse3) 429483844598116) 18446744073709551616)) c_main_~main__index2~0 1)) (= |c_old(~__tmp_155_0~0)| 0) (<= c_~__tmp_155_0~0 1) (= c_main_~__tmp_1~0 1) (= |c_#NULL.offset| 0) (= c_~__return_main~0 0) (<= (+ c_main_~main__index1~0 .cse1 1) (+ .cse2 c_main_~main__index2~0)) (<= 1 c_main_~__VERIFIER_assert__cond~0) (= c_~__return_136~0 0)))) is different from false [2019-10-07 13:35:45,947 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 58 [2019-10-07 13:36:01,748 WARN L191 SmtUtils]: Spent 15.68 s on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-10-07 13:36:10,664 WARN L191 SmtUtils]: Spent 4.42 s on a formula simplification that was a NOOP. DAG size: 34 [2019-10-07 13:36:15,677 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 35 [2019-10-07 13:36:16,772 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-10-07 13:36:26,027 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 33 [2019-10-07 13:36:28,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:36:28,066 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2019-10-07 13:36:28,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-07 13:36:28,139 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 21 [2019-10-07 13:36:28,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:36:28,139 INFO L225 Difference]: With dead ends: 56 [2019-10-07 13:36:28,140 INFO L226 Difference]: Without dead ends: 29 [2019-10-07 13:36:28,141 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 74.5s TimeCoverageRelationStatistics Valid=214, Invalid=1044, Unknown=6, NotChecked=68, Total=1332 [2019-10-07 13:36:28,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-07 13:36:28,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-10-07 13:36:28,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-07 13:36:28,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2019-10-07 13:36:28,146 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 21 [2019-10-07 13:36:28,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:36:28,146 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2019-10-07 13:36:28,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-07 13:36:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2019-10-07 13:36:28,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-07 13:36:28,147 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:36:28,148 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:36:28,351 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:36:28,351 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:36:28,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:36:28,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1951311265, now seen corresponding path program 1 times [2019-10-07 13:36:28,353 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:36:28,353 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:36:28,353 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:36:28,354 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:36:28,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:36:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:36:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:36:30,354 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:36:30,355 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:36:30,355 INFO L95 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 [2019-10-07 13:36:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:36:30,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-07 13:36:30,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:36:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:36:32,515 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:36:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:36:34,605 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:36:34,606 INFO L162 IcfgInterpreter]: Started Sifa with 24 locations of interest [2019-10-07 13:36:34,607 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:36:34,607 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:36:34,608 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:36:34,608 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:36:34,665 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-07 13:36:35,537 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 19 for LOIs [2019-10-07 13:36:35,543 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:36:35,543 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:36:35,543 INFO L193 IcfgInterpreter]: Reachable states at location L151 satisfy 206#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,543 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 363#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_136~0)| ~__return_136~0)) [2019-10-07 13:36:35,544 INFO L193 IcfgInterpreter]: Reachable states at location L55 satisfy 154#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,544 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 193#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= 0 |#NULL.base|) (<= main_~__VERIFIER_assert__cond~1 1) (= main_~main____CPAchecker_TMP_0~1 1) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= 1 main_~__tmp_2~0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= 1 main_~main____CPAchecker_TMP_0~1) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= main_~__tmp_2~0 1) (<= main_~main____CPAchecker_TMP_0~1 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,544 INFO L193 IcfgInterpreter]: Reachable states at location L45 satisfy 128#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,545 INFO L193 IcfgInterpreter]: Reachable states at location L141 satisfy 63#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= 1 main_~main____CPAchecker_TMP_0~0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,545 INFO L193 IcfgInterpreter]: Reachable states at location L24 satisfy 53#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (< (mod main_~main__index1~0 4294967296) 100000) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,545 INFO L193 IcfgInterpreter]: Reachable states at location L35 satisfy 68#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= 1 main_~__tmp_1~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= 1 main_~main____CPAchecker_TMP_0~0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (= main_~__tmp_1~0 main_~main____CPAchecker_TMP_0~0) (<= main_~__tmp_1~0 1) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,545 INFO L193 IcfgInterpreter]: Reachable states at location L57 satisfy 167#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,546 INFO L193 IcfgInterpreter]: Reachable states at location L26 satisfy 58#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,546 INFO L193 IcfgInterpreter]: Reachable states at location L16 satisfy 38#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,546 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= ~__tmp_155_0~0 0) (<= 0 ~__return_main~0) (= ~__tmp_155_0~0 0) (<= 0 ~__return_136~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 ~__tmp_155_0~0) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,547 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |old(~__tmp_155_0~0)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= ~__tmp_155_0~0 0) (<= 0 ~__return_136~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 ~__tmp_155_0~0) (= |#valid| |old(#valid)|) (<= 0 |old(~__tmp_155_0~0)|) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= |old(#length)| |#length|) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,547 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 368#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= ~__tmp_155_0~0 0) (<= 0 ~__return_main~0) (= ~__tmp_155_0~0 0) (<= 0 ~__return_136~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~__tmp_155_0~0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,547 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:36:35,547 INFO L193 IcfgInterpreter]: Reachable states at location L103 satisfy 349#(and (< (mod main_~main__index2~0 4294967296) (mod main_~main__index1~0 4294967296)) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (ite (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index2~0 4294967296) 2147483647) (mod main_~main__index2~0 4294967296) (+ (mod main_~main__index2~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index1~0 4294967296) 2147483647) (mod main_~main__index1~0 4294967296) (+ (mod main_~main__index1~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296)) 1 0) main_~__tmp_3~0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_3~0 1) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (<= main_~__VERIFIER_assert__cond~2 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,548 INFO L193 IcfgInterpreter]: Reachable states at location L82 satisfy 180#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (= main_~main____CPAchecker_TMP_0~1 1) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= 1 main_~main____CPAchecker_TMP_0~1) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (<= main_~main____CPAchecker_TMP_0~1 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,548 INFO L193 IcfgInterpreter]: Reachable states at location L114 satisfy 344#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,548 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 359#(and (< (mod main_~main__index2~0 4294967296) (mod main_~main__index1~0 4294967296)) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (ite (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index2~0 4294967296) 2147483647) (mod main_~main__index2~0 4294967296) (+ (mod main_~main__index2~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index1~0 4294967296) 2147483647) (mod main_~main__index1~0 4294967296) (+ (mod main_~main__index1~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296)) 1 0) main_~__tmp_3~0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (= main_~__VERIFIER_assert__cond~2 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (<= main_~__tmp_3~0 0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,548 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,549 INFO L193 IcfgInterpreter]: Reachable states at location L105 satisfy 354#(and (< (mod main_~main__index2~0 4294967296) (mod main_~main__index1~0 4294967296)) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (ite (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index2~0 4294967296) 2147483647) (mod main_~main__index2~0 4294967296) (+ (mod main_~main__index2~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* 4 (ite (<= (mod main_~main__index1~0 4294967296) 2147483647) (mod main_~main__index1~0 4294967296) (+ (mod main_~main__index1~0 4294967296) (- 4294967296)))) |main_~#main__array~0.offset|)) 4294967296)) 1 0) main_~__tmp_3~0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (= main_~__VERIFIER_assert__cond~2 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (<= main_~__tmp_3~0 0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,549 INFO L193 IcfgInterpreter]: Reachable states at location L52 satisfy 141#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,549 INFO L193 IcfgInterpreter]: Reachable states at location L74 satisfy 115#(and (<= main_~main__loop_entered~0 1) (or (and (<= main_~__VERIFIER_assert__cond~1 1) (= main_~main____CPAchecker_TMP_0~1 1) (= |old(~__tmp_155_0~0)| 0) (= |#NULL.base| 0) (<= 1 main_~__tmp_2~0) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 1 main_~main____CPAchecker_TMP_0~1) (= |main_~#main__array~0.offset| 0) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_2~0 1) (<= main_~main____CPAchecker_TMP_0~1 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~main__loop_entered~0) (= ~__return_136~0 0)) (and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (< (mod main_~main__index2~0 4294967296) 100000) (not (= main_~__VERIFIER_assert__cond~0 0)) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= 1 main_~main____CPAchecker_TMP_0~0) (= ~__tmp_155_0~0 main_~main____CPAchecker_TMP_0~0) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__loop_entered~0 0) (= 0 (select |old(#valid)| 0)) (= |main_~#main__array~0.offset| 0) (= main_~__tmp_1~0 main_~main____CPAchecker_TMP_0~0) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= ~__return_136~0 0))) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 main_~main__loop_entered~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= main_~__tmp_1~0 1) (<= 0 |old(~__tmp_155_0~0)|) (<= ~__tmp_155_0~0 1) (<= 1 main_~__VERIFIER_assert__cond~0) (<= |old(~__tmp_155_0~0)| 0)) [2019-10-07 13:36:35,549 INFO L193 IcfgInterpreter]: Reachable states at location L21 satisfy 48#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-07 13:36:35,786 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2019-10-07 13:36:36,138 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2019-10-07 13:36:36,333 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2019-10-07 13:36:36,526 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-10-07 13:36:36,688 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2019-10-07 13:36:39,039 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2019-10-07 13:36:39,275 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2019-10-07 13:36:39,581 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2019-10-07 13:36:40,116 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-10-07 13:36:40,367 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2019-10-07 13:36:40,368 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 13:36:40,368 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4, 17] total 29 [2019-10-07 13:36:40,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-10-07 13:36:40,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-10-07 13:36:40,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=686, Unknown=3, NotChecked=0, Total=812 [2019-10-07 13:36:40,370 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 29 states. [2019-10-07 13:36:42,863 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-10-07 13:37:06,969 WARN L191 SmtUtils]: Spent 12.35 s on a formula simplification that was a NOOP. DAG size: 58 [2019-10-07 13:37:31,140 WARN L191 SmtUtils]: Spent 7.31 s on a formula simplification that was a NOOP. DAG size: 55 [2019-10-07 13:37:50,314 WARN L191 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-10-07 13:37:53,567 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 c_main_~__tmp_2~0) (= |c_#NULL.base| 0) (<= 1 c_main_~main____CPAchecker_TMP_0~0) (= c_main_~main__loop_entered~0 1) (<= 1 c_~__tmp_155_0~0) (<= c_main_~__VERIFIER_assert__cond~1 1) (<= c_main_~main____CPAchecker_TMP_0~0 1) (<= 1 c_main_~main____CPAchecker_TMP_0~1) (= |c_main_~#main__array~0.offset| 0) (<= c_main_~__VERIFIER_assert__cond~0 1) (<= 1 c_main_~__VERIFIER_assert__cond~1) (<= c_main_~__tmp_2~0 1) (<= c_main_~main____CPAchecker_TMP_0~1 1) (<= (+ c_main_~main__index1~0 (* 4294967296 (div (+ c_main_~main__index2~0 1) 4294967296))) (+ (* 4294967296 (div (+ c_main_~main__index1~0 (- 1)) 4294967296)) c_main_~main__index2~0 1)) (= |c_old(~__tmp_155_0~0)| 0) (<= c_~__tmp_155_0~0 1) (= c_main_~__tmp_1~0 1) (<= (+ (* 4294967296 (div (let ((.cse0 (div c_main_~main__index1~0 4294967296)) (.cse1 (div c_main_~main__index2~0 4294967296))) (+ (* (- 4294967296) .cse0) (* 4294967296 (div (+ (* 4294967296 .cse0) c_main_~main__index2~0 (* (- 4294967296) .cse1) 4294867296) 4294967296)) c_main_~main__index1~0 (* (- 1) c_main_~main__index2~0) (* 4294967296 .cse1) 4294967296)) 4294967296)) 1) c_main_~main__index1~0) (= |c_#NULL.offset| 0) (= c_~__return_main~0 0) (<= 1 c_main_~__VERIFIER_assert__cond~0) (= c_~__return_136~0 0)) is different from false [2019-10-07 13:38:00,591 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-10-07 13:38:19,634 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~main__index2~0 4294967296)) (.cse1 (mod c_main_~main__index1~0 4294967296))) (and (= |c_#NULL.base| 0) (< .cse0 .cse1) (<= 1 c_main_~main____CPAchecker_TMP_0~0) (= c_main_~main__loop_entered~0 1) (<= 1 c_~__tmp_155_0~0) (<= c_main_~main____CPAchecker_TMP_0~0 1) (= c_main_~__tmp_3~0 c_main_~__VERIFIER_assert__cond~2) (= (ite (let ((.cse2 (select |c_#memory_int| |c_main_~#main__array~0.base|))) (= (mod (select .cse2 (+ (* 4 (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) |c_main_~#main__array~0.offset|)) 4294967296) (mod (select .cse2 (+ (* 4 (ite (<= .cse1 2147483647) .cse1 (+ .cse1 (- 4294967296)))) |c_main_~#main__array~0.offset|)) 4294967296))) 1 0) c_main_~__tmp_3~0) (= |c_main_~#main__array~0.offset| 0) (<= c_main_~__VERIFIER_assert__cond~0 1) (= |c_old(~__tmp_155_0~0)| 0) (<= c_~__tmp_155_0~0 1) (<= (+ (* 4294967296 (div (+ (* 4294967296 (div (+ c_main_~main__index2~0 4294867297) 4294967296)) c_main_~main__index1~0 (* (- 1) c_main_~main__index2~0) 4294967294) 4294967296)) 2) c_main_~main__index1~0) (= c_main_~__tmp_1~0 1) (= |c_#NULL.offset| 0) (= c_~__return_main~0 0) (<= 1 c_main_~__VERIFIER_assert__cond~0) (= c_~__return_136~0 0))) is different from false [2019-10-07 13:38:19,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:38:19,700 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2019-10-07 13:38:19,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-07 13:38:19,700 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 28 [2019-10-07 13:38:19,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:38:19,701 INFO L225 Difference]: With dead ends: 30 [2019-10-07 13:38:19,701 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 13:38:19,702 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 63 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 97.0s TimeCoverageRelationStatistics Valid=221, Invalid=1169, Unknown=24, NotChecked=146, Total=1560 [2019-10-07 13:38:19,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 13:38:19,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 13:38:19,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 13:38:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 13:38:19,703 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-10-07 13:38:19,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:38:19,703 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 13:38:19,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-10-07 13:38:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 13:38:19,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 13:38:19,906 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:38:19,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 13:38:37,099 WARN L191 SmtUtils]: Spent 17.00 s on a formula simplification. DAG size of input: 118 DAG size of output: 89 [2019-10-07 13:39:56,354 WARN L191 SmtUtils]: Spent 1.32 m on a formula simplification. DAG size of input: 124 DAG size of output: 105 [2019-10-07 13:39:56,597 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-10-07 13:39:56,858 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 51 [2019-10-07 13:39:56,862 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(~__return_136~0)| ~__return_136~0) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:39:56,862 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:39:56,862 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:39:56,862 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= ~__tmp_155_0~0 0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= ~__return_136~0 0)) [2019-10-07 13:39:56,862 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 13:39:56,862 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 13:39:56,862 INFO L446 ceAbstractionStarter]: At program point L126(lines 93 127) the Hoare annotation is: true [2019-10-07 13:39:56,863 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 9 163) no Hoare annotation was computed. [2019-10-07 13:39:56,863 INFO L439 ceAbstractionStarter]: At program point L151(lines 21 152) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (let ((.cse8 (div main_~main__index1~0 4294967296)) (.cse7 (div main_~main__index2~0 4294967296))) (let ((.cse1 (* 4294967296 .cse7)) (.cse9 (* 4294967296 .cse8)) (.cse0 (* 4294967296 (div (+ main_~main__index1~0 (- 1)) 4294967296)))) (and (<= main_~main__index1~0 (+ .cse0 100000)) (<= main_~main__index2~0 (+ .cse1 99999)) (= main_~__VERIFIER_assert__cond~0 1) (or (let ((.cse6 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse5 (select .cse6 (+ (* (- 17179869184) .cse8) (* 4 main_~main__index1~0) |main_~#main__array~0.offset|))) (.cse3 (select .cse6 (+ (* 4 main_~main__index2~0) |main_~#main__array~0.offset| (* (- 17179869184) .cse7))))) (let ((.cse4 (+ .cse5 (* 4294967296 (div .cse3 4294967296)))) (.cse2 (* 4294967296 (div .cse5 4294967296)))) (and (<= (+ .cse2 .cse3) .cse4) (< .cse4 (+ .cse2 .cse3 1)))))) (<= (+ main_~main__index1~0 .cse1) (+ .cse9 main_~main__index2~0))) (<= main_~main__index1~0 (+ .cse9 99999)) (<= main_~main__index1~0 (+ main_~main__index2~0 (* 4294967296 (div (+ (* 4294967295 main_~main__index1~0) .cse0 (* (- 4294967296) main_~main__index2~0) 429483844598115) 18446744073709551616)) 1))))) (= main_~main__loop_entered~0 0) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-07 13:39:56,863 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 128) no Hoare annotation was computed. [2019-10-07 13:39:56,863 INFO L443 ceAbstractionStarter]: For program point L19(lines 19 157) no Hoare annotation was computed. [2019-10-07 13:39:56,864 INFO L439 ceAbstractionStarter]: At program point L114(lines 94 123) the Hoare annotation is: (let ((.cse9 (div main_~main__index1~0 4294967296))) (let ((.cse14 (* 4294967296 .cse9)) (.cse8 (div main_~main__index2~0 4294967296))) (let ((.cse1 (* 4294967296 .cse8)) (.cse10 (+ .cse14 main_~main__index2~0))) (let ((.cse11 (<= main_~main__index1~0 (+ .cse14 99999))) (.cse2 (= main_~__VERIFIER_assert__cond~0 1)) (.cse12 (not (= main_~__VERIFIER_assert__cond~2 0))) (.cse13 (<= (+ main_~main__index1~0 .cse1 1) .cse10))) (or (not (= 0 ~__return_main~0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (let ((.cse0 (* 4294967296 (div (+ main_~main__index1~0 (- 1)) 4294967296)))) (and (<= main_~main__index1~0 (+ .cse0 100000)) (<= main_~main__index2~0 (+ .cse1 99999)) .cse2 (or (let ((.cse7 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse6 (select .cse7 (+ (* (- 17179869184) .cse9) (* 4 main_~main__index1~0) |main_~#main__array~0.offset|))) (.cse4 (select .cse7 (+ (* 4 main_~main__index2~0) |main_~#main__array~0.offset| (* (- 17179869184) .cse8))))) (let ((.cse5 (+ .cse6 (* 4294967296 (div .cse4 4294967296)))) (.cse3 (* 4294967296 (div .cse6 4294967296)))) (and (<= (+ .cse3 .cse4) .cse5) (< .cse5 (+ .cse3 .cse4 1)))))) (<= (+ main_~main__index1~0 .cse1) .cse10)) .cse11 (<= main_~main__index1~0 (+ main_~main__index2~0 (* 4294967296 (div (+ (* 4294967295 main_~main__index1~0) .cse0 (* (- 4294967296) main_~main__index2~0) 429483844598115) 18446744073709551616)) 1)))) (and .cse2 .cse12 .cse11 .cse13) (and (<= 1 main_~main____CPAchecker_TMP_0~0) (= main_~main__loop_entered~0 1) (<= 1 ~__tmp_155_0~0) (<= main_~main____CPAchecker_TMP_0~0 1) (= |main_~#main__array~0.offset| 0) .cse2 (<= ~__tmp_155_0~0 1) (= main_~__tmp_1~0 1) .cse12 .cse13) (not (<= |old(~__tmp_155_0~0)| 0)) (not (= ~__return_136~0 0)) (not (= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|))))))) [2019-10-07 13:39:56,864 INFO L443 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 68) no Hoare annotation was computed. [2019-10-07 13:39:56,864 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 83) no Hoare annotation was computed. [2019-10-07 13:39:56,864 INFO L443 ceAbstractionStarter]: For program point L24(lines 24 147) no Hoare annotation was computed. [2019-10-07 13:39:56,865 INFO L439 ceAbstractionStarter]: At program point L82(lines 57 83) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (= main_~__VERIFIER_assert__cond~0 1) (not (= 0 main_~main____CPAchecker_TMP_0~1)) (<= (+ main_~main__index1~0 .cse0 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0)))) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-07 13:39:56,865 INFO L443 ceAbstractionStarter]: For program point L16(lines 16 162) no Hoare annotation was computed. [2019-10-07 13:39:56,865 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 133) no Hoare annotation was computed. [2019-10-07 13:39:56,865 INFO L439 ceAbstractionStarter]: At program point L74(lines 41 134) the Hoare annotation is: (let ((.cse3 (* 4294967296 (div main_~main__index2~0 4294967296)))) (let ((.cse0 (<= main_~main__index2~0 (+ .cse3 99999))) (.cse1 (= main_~__VERIFIER_assert__cond~0 1)) (.cse2 (<= (+ main_~main__index1~0 .cse3 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0)))) (or (not (= 0 ~__return_main~0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (not (<= |old(~__tmp_155_0~0)| 0)) (not (= ~__return_136~0 0)) (and (= 1 main_~main____CPAchecker_TMP_0~0) .cse0 .cse1 .cse2) (not (= |#NULL.offset| 0)) (and .cse0 .cse1 (not (= 0 main_~main____CPAchecker_TMP_0~1)) (not (= main_~__VERIFIER_assert__cond~1 0)) .cse2) (not (<= 0 |#NULL.base|))))) [2019-10-07 13:39:56,865 INFO L443 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2019-10-07 13:39:56,865 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 115) no Hoare annotation was computed. [2019-10-07 13:39:56,866 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-07 13:39:56,866 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 75) no Hoare annotation was computed. [2019-10-07 13:39:56,866 INFO L439 ceAbstractionStarter]: At program point L87(lines 55 88) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-07 13:39:56,866 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 152) no Hoare annotation was computed. [2019-10-07 13:39:56,866 INFO L439 ceAbstractionStarter]: At program point L141(lines 26 142) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (and (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (not (= 0 |main_~#main__array~0.base|)) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (= main_~main__loop_entered~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= 1 main_~main____CPAchecker_TMP_0~0) (= |main_~#main__array~0.offset| 0) (<= (+ main_~main__index1~0 (* 4294967296 (div main_~main__index2~0 4294967296)) 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0)) (< |main_~#main__array~0.base| |#StackHeapBarrier|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-07 13:39:56,866 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 9 163) no Hoare annotation was computed. [2019-10-07 13:39:56,867 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 9 163) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (and (<= ~__tmp_155_0~0 0) (<= 0 ~__tmp_155_0~0) (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-07 13:39:56,867 INFO L443 ceAbstractionStarter]: For program point L26(lines 26 142) no Hoare annotation was computed. [2019-10-07 13:39:56,867 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 88) no Hoare annotation was computed. [2019-10-07 13:39:56,867 INFO L439 ceAbstractionStarter]: At program point L146(lines 24 147) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-07 13:39:56,867 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-07 13:39:56,867 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2019-10-07 13:39:56,867 INFO L443 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2019-10-07 13:39:56,868 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 134) no Hoare annotation was computed. [2019-10-07 13:39:56,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-07 13:39:56,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-07 13:39:56,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-10-07 13:39:56,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-07 13:39:56,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-07 13:39:56,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-10-07 13:39:56,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 01:39:56 BoogieIcfgContainer [2019-10-07 13:39:56,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 13:39:56,924 INFO L168 Benchmark]: Toolchain (without parser) took 300917.63 ms. Allocated memory was 144.7 MB in the beginning and 300.9 MB in the end (delta: 156.2 MB). Free memory was 101.0 MB in the beginning and 193.4 MB in the end (delta: -92.4 MB). Peak memory consumption was 184.5 MB. Max. memory is 7.1 GB. [2019-10-07 13:39:56,925 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 13:39:56,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.07 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 100.8 MB in the beginning and 180.0 MB in the end (delta: -79.2 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-10-07 13:39:56,926 INFO L168 Benchmark]: Boogie Preprocessor took 35.49 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 178.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-10-07 13:39:56,927 INFO L168 Benchmark]: RCFGBuilder took 406.35 ms. Allocated memory is still 201.9 MB. Free memory was 178.0 MB in the beginning and 159.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2019-10-07 13:39:56,928 INFO L168 Benchmark]: TraceAbstraction took 300120.90 ms. Allocated memory was 201.9 MB in the beginning and 300.9 MB in the end (delta: 99.1 MB). Free memory was 159.0 MB in the beginning and 193.4 MB in the end (delta: -34.4 MB). Peak memory consumption was 185.4 MB. Max. memory is 7.1 GB. [2019-10-07 13:39:56,931 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 351.07 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 100.8 MB in the beginning and 180.0 MB in the end (delta: -79.2 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.49 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 178.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 406.35 ms. Allocated memory is still 201.9 MB. Free memory was 178.0 MB in the beginning and 159.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 300120.90 ms. Allocated memory was 201.9 MB in the beginning and 300.9 MB in the end (delta: 99.1 MB). Free memory was 159.0 MB in the beginning and 193.4 MB in the end (delta: -34.4 MB). Peak memory consumption was 185.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 105]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 68]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant [2019-10-07 13:39:56,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || (((((main__index1 <= 4294967296 * ((main__index1 + -1) / 4294967296) + 100000 && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1) && ((4294967296 * (unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] <= unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] / 4294967296) && unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] / 4294967296) < 4294967296 * (unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] + 1) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2)) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 99999) && main__index1 <= main__index2 + 4294967296 * ((4294967295 * main__index1 + 4294967296 * ((main__index1 + -1) / 4294967296) + -4294967296 * main__index2 + 429483844598115) / 18446744073709551616) + 1)) || main__loop_entered == 0) || !(\old(__tmp_155_0) <= 0) - InvariantResult [Line: 55]: Loop Invariant [2019-10-07 13:39:56,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || !(\old(__tmp_155_0) <= 0) - InvariantResult [Line: 24]: Loop Invariant [2019-10-07 13:39:56,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || !(\old(__tmp_155_0) <= 0) - InvariantResult [Line: 94]: Loop Invariant [2019-10-07 13:39:56,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:39:56,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((((((((!(0 == __return_main) || !(0 <= \old(__tmp_155_0))) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || (((((main__index1 <= 4294967296 * ((main__index1 + -1) / 4294967296) + 100000 && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1) && ((4294967296 * (unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] <= unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] / 4294967296) && unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] / 4294967296) < 4294967296 * (unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] + 1) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2)) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 99999) && main__index1 <= main__index2 + 4294967296 * ((4294967295 * main__index1 + 4294967296 * ((main__index1 + -1) / 4294967296) + -4294967296 * main__index2 + 429483844598115) / 18446744073709551616) + 1)) || (((__VERIFIER_assert__cond == 1 && !(__VERIFIER_assert__cond == 0)) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 99999) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2)) || (((((((((1 <= main____CPAchecker_TMP_0 && main__loop_entered == 1) && 1 <= __tmp_155_0) && main____CPAchecker_TMP_0 <= 1) && main__array == 0) && __VERIFIER_assert__cond == 1) && __tmp_155_0 <= 1) && __tmp_1 == 1) && !(__VERIFIER_assert__cond == 0)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2)) || !(\old(__tmp_155_0) <= 0)) || !(__return_136 == 0)) || !(#NULL == 0)) || !(0 <= #NULL) - InvariantResult [Line: 57]: Loop Invariant [2019-10-07 13:39:56,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && __VERIFIER_assert__cond == 1) && !(0 == main____CPAchecker_TMP_0)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2)) || !(\old(__tmp_155_0) <= 0) - InvariantResult [Line: 26]: Loop Invariant [2019-10-07 13:39:56,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-07 13:39:56,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-07 13:39:56,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-10-07 13:39:56,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-07 13:39:56,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-07 13:39:56,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-10-07 13:39:56,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || ((((((((((__tmp_155_0 == \old(__tmp_155_0) && !(0 == main__array)) && \old(unknown-#length-unknown)[main__array := 400000] == unknown-#length-unknown) && \valid == \old(\valid)[main__array := 1]) && main__loop_entered == 0) && main__index2 % 4294967296 < 100000) && \old(\valid)[main__array] == 0) && 1 == main____CPAchecker_TMP_0) && main__array == 0) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2) && main__array < unknown-#StackHeapBarrier-unknown)) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || !(\old(__tmp_155_0) <= 0) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant [2019-10-07 13:39:56,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:39:56,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((((!(0 == __return_main) || !(0 <= \old(__tmp_155_0))) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || !(\old(__tmp_155_0) <= 0)) || !(__return_136 == 0)) || (((1 == main____CPAchecker_TMP_0 && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2)) || !(#NULL == 0)) || ((((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && __VERIFIER_assert__cond == 1) && !(0 == main____CPAchecker_TMP_0)) && !(__VERIFIER_assert__cond == 0)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2)) || !(0 <= #NULL) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 35 locations, 3 error locations. Result: SAFE, OverallTime: 300.0s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 152.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 96.9s, HoareTripleCheckerStatistics: 202 SDtfs, 305 SDslu, 340 SDs, 0 SdLazy, 593 SolverSat, 60 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 25.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 122 SyntacticMatches, 7 SemanticMatches, 96 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 173.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 44 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 32 NumberOfFragments, 997 HoareAnnotationTreeSize, 12 FomulaSimplifications, 1580 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 1855 FormulaSimplificationTreeSizeReductionInter, 96.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 28.5s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 68512 SizeOfPredicates, 6 NumberOfNonLiveVariables, 262 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 15/21 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 2095, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 79, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 60, TOOLS_POST_TIME[ms]: 160, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_APPLICATIONS: 72, TOOLS_QUANTIFIERELIM_TIME[ms]: 149, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 35, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 85, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 59, DOMAIN_JOIN_TIME[ms]: 1645, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 108, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 11, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 753, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 752, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 69, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 68, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 417, DAG_COMPRESSION_RETAINED_NODES: 126, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...