/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 12:17:14,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 12:17:14,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 12:17:14,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 12:17:14,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 12:17:14,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 12:17:14,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 12:17:14,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 12:17:14,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 12:17:14,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 12:17:14,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 12:17:14,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 12:17:14,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 12:17:14,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 12:17:14,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 12:17:14,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 12:17:14,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 12:17:14,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 12:17:14,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 12:17:14,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 12:17:14,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 12:17:14,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 12:17:14,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 12:17:14,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 12:17:14,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 12:17:14,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 12:17:14,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 12:17:14,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 12:17:14,096 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 [2020-07-20 12:17:14,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 12:17:14,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 12:17:14,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 12:17:14,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 12:17:14,114 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 12:17:14,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 12:17:14,115 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 12:17:14,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 12:17:14,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 12:17:14,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 12:17:14,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 12:17:14,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 12:17:14,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 12:17:14,116 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 12:17:14,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 12:17:14,116 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 12:17:14,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 12:17:14,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 12:17:14,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 12:17:14,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 12:17:14,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 12:17:14,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 12:17:14,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 12:17:14,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 12:17:14,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 12:17:14,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 12:17:14,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:17:14,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 12:17:14,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 12:17:14,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 12:17:14,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 12:17:14,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 12:17:14,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 12:17:14,416 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 12:17:14,416 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 12:17:14,417 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt5.c [2020-07-20 12:17:14,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e84635e/e80774a7bc9a4f99ae74d92f1d70838f/FLAG763861bf9 [2020-07-20 12:17:15,002 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 12:17:15,003 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt5.c [2020-07-20 12:17:15,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e84635e/e80774a7bc9a4f99ae74d92f1d70838f/FLAG763861bf9 [2020-07-20 12:17:15,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e84635e/e80774a7bc9a4f99ae74d92f1d70838f [2020-07-20 12:17:15,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 12:17:15,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 12:17:15,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 12:17:15,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 12:17:15,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 12:17:15,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:17:15" (1/1) ... [2020-07-20 12:17:15,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f64ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:15, skipping insertion in model container [2020-07-20 12:17:15,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:17:15" (1/1) ... [2020-07-20 12:17:15,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 12:17:15,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 12:17:15,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 12:17:15,659 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 12:17:15,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 12:17:15,699 INFO L208 MainTranslator]: Completed translation [2020-07-20 12:17:15,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:15 WrapperNode [2020-07-20 12:17:15,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 12:17:15,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 12:17:15,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 12:17:15,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 12:17:15,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:15" (1/1) ... [2020-07-20 12:17:15,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:15" (1/1) ... [2020-07-20 12:17:15,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:15" (1/1) ... [2020-07-20 12:17:15,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:15" (1/1) ... [2020-07-20 12:17:15,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:15" (1/1) ... [2020-07-20 12:17:15,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:15" (1/1) ... [2020-07-20 12:17:15,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:15" (1/1) ... [2020-07-20 12:17:15,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 12:17:15,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 12:17:15,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 12:17:15,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 12:17:15,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:15" (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 [2020-07-20 12:17:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 12:17:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 12:17:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-20 12:17:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 12:17:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 12:17:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 12:17:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 12:17:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-20 12:17:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 12:17:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 12:17:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 12:17:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 12:17:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 12:17:16,158 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 12:17:16,159 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 12:17:16,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:17:16 BoogieIcfgContainer [2020-07-20 12:17:16,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 12:17:16,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 12:17:16,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 12:17:16,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 12:17:16,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:17:15" (1/3) ... [2020-07-20 12:17:16,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a090caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:17:16, skipping insertion in model container [2020-07-20 12:17:16,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:15" (2/3) ... [2020-07-20 12:17:16,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a090caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:17:16, skipping insertion in model container [2020-07-20 12:17:16,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:17:16" (3/3) ... [2020-07-20 12:17:16,172 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt5.c [2020-07-20 12:17:16,185 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 12:17:16,194 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 12:17:16,210 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 12:17:16,237 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 12:17:16,238 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 12:17:16,238 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 12:17:16,238 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 12:17:16,238 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 12:17:16,238 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 12:17:16,239 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 12:17:16,239 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 12:17:16,260 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-07-20 12:17:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-20 12:17:16,266 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:17:16,267 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:17:16,268 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:17:16,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:17:16,274 INFO L82 PathProgramCache]: Analyzing trace with hash 333887070, now seen corresponding path program 1 times [2020-07-20 12:17:16,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:17:16,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497986468] [2020-07-20 12:17:16,283 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:17:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:17:16,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 12:17:16,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:17:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:17:16,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:17:16,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497986468] [2020-07-20 12:17:16,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:17:16,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 12:17:16,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576007195] [2020-07-20 12:17:16,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 12:17:16,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:17:16,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 12:17:16,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 12:17:16,433 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2020-07-20 12:17:16,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:17:16,464 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2020-07-20 12:17:16,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 12:17:16,466 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-20 12:17:16,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:17:16,478 INFO L225 Difference]: With dead ends: 37 [2020-07-20 12:17:16,478 INFO L226 Difference]: Without dead ends: 18 [2020-07-20 12:17:16,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 12:17:16,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-07-20 12:17:16,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-07-20 12:17:16,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-20 12:17:16,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-07-20 12:17:16,539 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 12 [2020-07-20 12:17:16,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:17:16,540 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-07-20 12:17:16,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 12:17:16,542 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-07-20 12:17:16,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-20 12:17:16,543 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:17:16,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:17:16,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:17:16,745 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:17:16,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:17:16,747 INFO L82 PathProgramCache]: Analyzing trace with hash 309875524, now seen corresponding path program 1 times [2020-07-20 12:17:16,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:17:16,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452173146] [2020-07-20 12:17:16,748 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:17:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:17:16,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 17 conjunts are in the unsatisfiable core [2020-07-20 12:17:16,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:17:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:17:16,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:17:16,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452173146] [2020-07-20 12:17:16,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:17:16,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 12:17:16,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108585962] [2020-07-20 12:17:16,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 12:17:16,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:17:16,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 12:17:16,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 12:17:16,879 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 5 states. [2020-07-20 12:17:16,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:17:16,974 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2020-07-20 12:17:16,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 12:17:16,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-20 12:17:16,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:17:16,977 INFO L225 Difference]: With dead ends: 34 [2020-07-20 12:17:16,977 INFO L226 Difference]: Without dead ends: 20 [2020-07-20 12:17:16,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 12:17:16,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-07-20 12:17:16,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-07-20 12:17:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-20 12:17:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2020-07-20 12:17:16,985 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 12 [2020-07-20 12:17:16,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:17:16,986 INFO L479 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-07-20 12:17:16,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 12:17:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2020-07-20 12:17:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-20 12:17:16,987 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:17:16,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:17:17,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:17:17,195 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:17:17,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:17:17,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1451693947, now seen corresponding path program 1 times [2020-07-20 12:17:17,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:17:17,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436079272] [2020-07-20 12:17:17,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:17:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:17:17,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2020-07-20 12:17:17,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:17:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:17:17,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 12:17:17,528 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:17:19,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:17:19,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436079272] [2020-07-20 12:17:19,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 12:17:19,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2020-07-20 12:17:19,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349648971] [2020-07-20 12:17:19,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-20 12:17:19,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:17:19,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-20 12:17:19,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=134, Unknown=1, NotChecked=0, Total=182 [2020-07-20 12:17:19,936 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 14 states. [2020-07-20 12:17:26,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:17:26,560 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2020-07-20 12:17:26,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 12:17:26,561 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2020-07-20 12:17:26,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:17:26,562 INFO L225 Difference]: With dead ends: 43 [2020-07-20 12:17:26,562 INFO L226 Difference]: Without dead ends: 28 [2020-07-20 12:17:26,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=51, Invalid=158, Unknown=1, NotChecked=0, Total=210 [2020-07-20 12:17:26,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-07-20 12:17:26,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-07-20 12:17:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-20 12:17:26,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-20 12:17:26,570 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 15 [2020-07-20 12:17:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:17:26,570 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-20 12:17:26,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-20 12:17:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-20 12:17:26,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-20 12:17:26,572 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:17:26,572 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:17:26,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:17:26,782 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:17:26,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:17:26,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1035578608, now seen corresponding path program 1 times [2020-07-20 12:17:26,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:17:26,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969945175] [2020-07-20 12:17:26,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:17:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:17:26,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 12:17:26,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:17:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:17:26,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 12:17:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 7 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:17:35,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969945175] [2020-07-20 12:17:35,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 12:17:35,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-20 12:17:35,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724731280] [2020-07-20 12:17:35,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 12:17:35,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:17:35,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 12:17:35,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=31, Unknown=4, NotChecked=0, Total=56 [2020-07-20 12:17:35,312 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 8 states. [2020-07-20 12:17:37,481 WARN L838 $PredicateComparison]: unable to prove that (and (< 0 (mod (mod (mod (+ c_main_~l~0 1) 4294967296) 5) 4294967296)) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 5) 4294967296))) is different from false [2020-07-20 12:18:21,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:18:21,556 INFO L93 Difference]: Finished difference Result 54 states and 73 transitions. [2020-07-20 12:18:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 12:18:21,695 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-07-20 12:18:21,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:18:21,697 INFO L225 Difference]: With dead ends: 54 [2020-07-20 12:18:21,698 INFO L226 Difference]: Without dead ends: 43 [2020-07-20 12:18:21,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=23, Invalid=32, Unknown=5, NotChecked=12, Total=72 [2020-07-20 12:18:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-07-20 12:18:21,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2020-07-20 12:18:21,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-20 12:18:21,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2020-07-20 12:18:21,707 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 24 [2020-07-20 12:18:21,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:18:21,708 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2020-07-20 12:18:21,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 12:18:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-07-20 12:18:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-20 12:18:21,709 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:18:21,709 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:18:21,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:18:21,911 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:18:21,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:18:21,911 INFO L82 PathProgramCache]: Analyzing trace with hash 2020075371, now seen corresponding path program 1 times [2020-07-20 12:18:21,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:18:21,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [154827936] [2020-07-20 12:18:21,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:18:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:18:21,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 30 conjunts are in the unsatisfiable core [2020-07-20 12:18:21,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:18:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:18:22,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 12:18:22,348 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:18:26,827 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (mod c_main_~l~0 4294967296)) (.cse0 (= (mod (mod c_main_~l~0 4294967296) 5) 0)) (.cse2 (+ c_main_~l~0 1))) (or (and (= (mod (+ (mod (mod c_main_~l~0 4294967296) 5) 4294967291) 4294967296) 0) (not .cse0) (< .cse1 0)) (= (mod .cse2 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 1) 4294967296)) (and (= 0 (mod (mod (mod c_main_~l~0 4294967296) 5) 4294967296)) (or (<= 0 .cse1) .cse0)) (< (mod .cse2 4294967296) (mod c_main_~n~0 4294967296)))) is different from true [2020-07-20 12:18:48,428 WARN L193 SmtUtils]: Spent 6.49 s on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-20 12:18:52,801 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 38 [2020-07-20 12:19:03,533 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 38 [2020-07-20 12:19:18,501 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 38 [2020-07-20 12:19:35,632 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 38 [2020-07-20 12:19:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 1 times theorem prover too weak. 0 trivial. 2 not checked. [2020-07-20 12:19:35,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [154827936] [2020-07-20 12:19:35,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 12:19:35,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 23 [2020-07-20 12:19:35,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634016069] [2020-07-20 12:19:35,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-20 12:19:35,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:19:35,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-20 12:19:35,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=345, Unknown=26, NotChecked=40, Total=506 [2020-07-20 12:19:35,657 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 23 states. [2020-07-20 12:19:38,205 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_main_~l~0 2))) (let ((.cse0 (+ c_main_~l~0 1)) (.cse3 (mod (+ c_main_~l~0 3) 4294967296)) (.cse2 (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 3) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 2) 4294967296))))) (.cse4 (= (mod (mod (mod .cse1 4294967296) 5) 4294967296) 0))) (and (or (= 0 (mod (mod (mod .cse0 4294967296) 5) 4294967296)) (= (mod .cse1 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 1) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 2) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 1) 4294967296))))) (or (= (mod .cse0 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0) 4294967296)) (< (mod .cse0 4294967296) (mod c_main_~n~0 4294967296))) (or .cse2 (= .cse3 (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 3) 4294967296)) .cse4) (or (= .cse3 (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296)) .cse2 .cse4)))) is different from false [2020-07-20 12:19:40,345 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_main_~l~0 1))) (and (or (= (mod (+ c_main_~l~0 2) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296)) (= 0 (mod (mod (mod .cse0 4294967296) 5) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 2) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 1) 4294967296))))) (or (= (mod c_main_~l~0 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0) 4294967296)) (< (mod c_main_~l~0 4294967296) (mod c_main_~n~0 4294967296))) (or (= (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 1) 4294967296) (mod .cse0 4294967296)) (forall ((main_~n~0 Int)) (or (<= (mod main_~n~0 4294967296) (mod c_main_~l~0 4294967296)) (< (mod (+ c_main_~l~0 1) 4294967296) (mod main_~n~0 4294967296)))) (= (mod (mod (mod c_main_~l~0 4294967296) 5) 4294967296) 0)))) is different from false [2020-07-20 12:19:42,500 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_main_~l~0 1))) (and (let ((.cse1 (mod c_main_~l~0 4294967296)) (.cse0 (= (mod (mod c_main_~l~0 4294967296) 5) 0))) (or (and (= (mod (+ (mod (mod c_main_~l~0 4294967296) 5) 4294967291) 4294967296) 0) (not .cse0) (< .cse1 0)) (= (mod .cse2 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 1) 4294967296)) (and (= 0 (mod (mod (mod c_main_~l~0 4294967296) 5) 4294967296)) (or (<= 0 .cse1) .cse0)) (< (mod .cse2 4294967296) (mod c_main_~n~0 4294967296)))) (or (= (mod (+ c_main_~l~0 2) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296)) (= 0 (mod (mod (mod .cse2 4294967296) 5) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 2) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 1) 4294967296))))))) is different from true [2020-07-20 12:19:51,128 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 51 [2020-07-20 12:19:57,689 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_main_~l~0 1))) (and (or (= 0 (mod (mod (mod .cse0 4294967296) 5) 4294967296)) (= (mod (+ c_main_~l~0 2) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 1) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 2) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 1) 4294967296))))) (or (= (mod .cse0 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0) 4294967296)) (< (mod .cse0 4294967296) (mod c_main_~n~0 4294967296))))) is different from true [2020-07-20 12:20:18,914 WARN L860 $PredicateComparison]: unable to prove that (and (or (= (mod c_main_~l~0 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0) 4294967296)) (< (mod c_main_~l~0 4294967296) (mod c_main_~n~0 4294967296))) (or (= (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 1) 4294967296) (mod (+ c_main_~l~0 1) 4294967296)) (forall ((main_~n~0 Int)) (or (<= (mod main_~n~0 4294967296) (mod c_main_~l~0 4294967296)) (< (mod (+ c_main_~l~0 1) 4294967296) (mod main_~n~0 4294967296)))) (= (mod (mod (mod c_main_~l~0 4294967296) 5) 4294967296) 0))) is different from true [2020-07-20 12:21:03,662 WARN L193 SmtUtils]: Spent 12.90 s on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-07-20 12:22:16,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:22:16,159 INFO L93 Difference]: Finished difference Result 71 states and 95 transitions. [2020-07-20 12:22:16,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-20 12:22:16,162 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 27 [2020-07-20 12:22:16,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:22:16,163 INFO L225 Difference]: With dead ends: 71 [2020-07-20 12:22:16,163 INFO L226 Difference]: Without dead ends: 52 [2020-07-20 12:22:16,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 29 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 125.3s TimeCoverageRelationStatistics Valid=139, Invalid=493, Unknown=42, NotChecked=318, Total=992 [2020-07-20 12:22:16,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-07-20 12:22:16,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2020-07-20 12:22:16,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-07-20 12:22:16,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2020-07-20 12:22:16,172 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 27 [2020-07-20 12:22:16,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:22:16,173 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2020-07-20 12:22:16,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-20 12:22:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2020-07-20 12:22:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-20 12:22:16,174 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:22:16,174 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:22:16,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:22:16,388 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:22:16,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:22:16,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1204685030, now seen corresponding path program 1 times [2020-07-20 12:22:16,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:22:16,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82573206] [2020-07-20 12:22:16,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:22:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:22:16,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 38 conjunts are in the unsatisfiable core [2020-07-20 12:22:16,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:22:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:22:16,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 12:22:16,986 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:22:23,766 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (= 0 (mod (mod c_main_~l~0 4294967296) 5))) (.cse2 (mod c_main_~l~0 4294967296)) (.cse0 (+ c_main_~l~0 2))) (or (< (mod .cse0 4294967296) (mod c_main_~n~0 4294967296)) (and (or .cse1 (<= 0 .cse2)) (= 0 (mod (mod (mod c_main_~l~0 4294967296) 5) 4294967296))) (and (= (mod (+ (mod (mod c_main_~l~0 4294967296) 5) 4294967291) 4294967296) 0) (not .cse1) (< .cse2 0)) (= (mod .cse0 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296)))) is different from true [2020-07-20 12:22:38,957 WARN L193 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-20 12:22:45,472 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 39 [2020-07-20 12:22:56,286 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 38 [2020-07-20 12:23:07,110 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 39 [2020-07-20 12:23:24,248 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 38 [2020-07-20 12:23:47,788 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 38 [2020-07-20 12:24:11,253 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 37 [2020-07-20 12:24:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 8 times theorem prover too weak. 0 trivial. 4 not checked. [2020-07-20 12:24:11,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82573206] [2020-07-20 12:24:11,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 12:24:11,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 31 [2020-07-20 12:24:11,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122681498] [2020-07-20 12:24:11,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-20 12:24:11,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:24:11,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-20 12:24:11,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=672, Unknown=42, NotChecked=56, Total=930 [2020-07-20 12:24:11,284 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand 31 states. [2020-07-20 12:24:13,903 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (+ c_main_~l~0 1)) (.cse7 (+ c_main_~l~0 3))) (let ((.cse3 (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 3) 4294967296)) (.cse0 (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 3) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 1) 4294967296))))) (.cse2 (mod .cse7 4294967296)) (.cse1 (= (mod (mod (mod .cse5 4294967296) 5) 4294967296) 0)) (.cse6 (mod c_main_~n~0 4294967296)) (.cse4 (+ c_main_~l~0 2))) (and (or .cse0 .cse1 (= .cse2 .cse3)) (or (= (mod (+ c_main_~l~0 4) 4294967296) .cse3) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 4) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 2) 4294967296)))) (= 0 (mod (mod (mod .cse4 4294967296) 5) 4294967296))) (or (< (mod .cse5 4294967296) .cse6) (= (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0) 4294967296) (mod .cse5 4294967296))) (or .cse0 (= .cse2 (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296)) .cse1) (or (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 5) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 3) 4294967296)))) (= (mod (+ c_main_~l~0 5) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 4) 4294967296)) (= 0 (mod (mod (mod .cse7 4294967296) 5) 4294967296))) (or (< (mod .cse4 4294967296) .cse6) (= (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 1) 4294967296) (mod .cse4 4294967296)))))) is different from false [2020-07-20 12:24:15,918 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (mod c_main_~n~0 4294967296)) (.cse0 (+ c_main_~l~0 1)) (.cse2 (+ c_main_~l~0 2))) (and (or (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 3) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 1) 4294967296)))) (= (mod (mod (mod .cse0 4294967296) 5) 4294967296) 0) (= (mod (+ c_main_~l~0 3) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 3) 4294967296))) (or (= (mod c_main_~l~0 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0) 4294967296)) (< (mod c_main_~l~0 4294967296) .cse1)) (or (= 0 (mod (mod (mod c_main_~l~0 4294967296) 5) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 2) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod c_main_~l~0 4294967296)))) (= (mod .cse2 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296))) (or (< (mod .cse0 4294967296) .cse1) (= (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 1) 4294967296) (mod .cse0 4294967296))) (or (= (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 4) 4294967296) (mod (+ c_main_~l~0 4) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 4) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 2) 4294967296)))) (= 0 (mod (mod (mod .cse2 4294967296) 5) 4294967296))))) is different from false [2020-07-20 12:24:18,045 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (mod c_main_~n~0 4294967296)) (.cse0 (+ c_main_~l~0 1)) (.cse1 (+ c_main_~l~0 2))) (and (or (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 3) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 1) 4294967296)))) (= (mod (mod (mod .cse0 4294967296) 5) 4294967296) 0) (= (mod (+ c_main_~l~0 3) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 3) 4294967296))) (let ((.cse3 (= 0 (mod (mod c_main_~l~0 4294967296) 5))) (.cse4 (mod c_main_~l~0 4294967296))) (or (< (mod .cse1 4294967296) .cse2) (and (or .cse3 (<= 0 .cse4)) (= 0 (mod (mod (mod c_main_~l~0 4294967296) 5) 4294967296))) (and (= (mod (+ (mod (mod c_main_~l~0 4294967296) 5) 4294967291) 4294967296) 0) (not .cse3) (< .cse4 0)) (= (mod .cse1 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296)))) (or (< (mod .cse0 4294967296) .cse2) (= (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 1) 4294967296) (mod .cse0 4294967296))) (or (= (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 4) 4294967296) (mod (+ c_main_~l~0 4) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 4) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 2) 4294967296)))) (= 0 (mod (mod (mod .cse1 4294967296) 5) 4294967296))))) is different from false [2020-07-20 12:24:20,188 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_main_~l~0 2))) (and (or (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 3) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 1) 4294967296)))) (= (mod (mod (mod (+ c_main_~l~0 1) 4294967296) 5) 4294967296) 0) (= (mod (+ c_main_~l~0 3) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 3) 4294967296))) (or (< (mod .cse0 4294967296) (mod c_main_~n~0 4294967296)) (= (mod .cse0 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296))) (or (= (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 4) 4294967296) (mod (+ c_main_~l~0 4) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 4) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 2) 4294967296)))) (= 0 (mod (mod (mod .cse0 4294967296) 5) 4294967296))))) is different from false [2020-07-20 12:25:47,528 WARN L193 SmtUtils]: Spent 21.05 s on a formula simplification that was a NOOP. DAG size: 64 [2020-07-20 12:26:21,181 WARN L860 $PredicateComparison]: unable to prove that (and (or (= (mod (+ c_main_~l~0 4) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 3) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 4) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 2) 4294967296)))) (= 0 (mod (mod (mod (+ c_main_~l~0 2) 4294967296) 5) 4294967296))) (or (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 3) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 1) 4294967296)))) (= (mod (+ c_main_~l~0 3) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296)) (= (mod (mod (mod (+ c_main_~l~0 1) 4294967296) 5) 4294967296) 0))) is different from true [2020-07-20 12:27:16,547 WARN L838 $PredicateComparison]: unable to prove that (and (or (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 3) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 1) 4294967296)))) (= (mod (mod (mod (+ c_main_~l~0 1) 4294967296) 5) 4294967296) 0) (= (mod (+ c_main_~l~0 3) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 3) 4294967296))) (or (= 0 (mod (mod (mod c_main_~l~0 4294967296) 5) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 2) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod c_main_~l~0 4294967296)))) (= (mod (+ c_main_~l~0 2) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296)))) is different from false [2020-07-20 12:27:31,684 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (< (mod .cse0 4294967296) (mod c_main_~n~0 4294967296)) (= (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0) 4294967296) (mod .cse0 4294967296)))) (or (= 0 (mod (mod (mod c_main_~l~0 4294967296) 5) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 2) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod c_main_~l~0 4294967296)))) (= (mod (+ c_main_~l~0 2) 4294967296) (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296)))) is different from true [2020-07-20 12:29:28,796 WARN L193 SmtUtils]: Spent 1.28 m on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2020-07-20 12:29:56,455 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (mod (+ c_main_~v4~0 c_main_~i~0 c_main_~j~0 c_main_~k~0 c_main_~v3~0 2) 4294967296))) (and (or (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 3) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod (+ c_main_~l~0 1) 4294967296)))) (= (mod (+ c_main_~l~0 3) 4294967296) .cse0) (= (mod (mod (mod (+ c_main_~l~0 1) 4294967296) 5) 4294967296) 0)) (or (= 0 (mod (mod (mod c_main_~l~0 4294967296) 5) 4294967296)) (forall ((main_~n~0 Int)) (or (< (mod (+ c_main_~l~0 2) 4294967296) (mod main_~n~0 4294967296)) (<= (mod main_~n~0 4294967296) (mod c_main_~l~0 4294967296)))) (= (mod (+ c_main_~l~0 2) 4294967296) .cse0)))) is different from true [2020-07-20 12:30:44,130 WARN L193 SmtUtils]: Spent 19.26 s on a formula simplification that was a NOOP. DAG size: 63 [2020-07-20 12:31:33,780 WARN L193 SmtUtils]: Spent 10.72 s on a formula simplification that was a NOOP. DAG size: 63