/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt8.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 22:49:23,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 22:49:23,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 22:49:23,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 22:49:23,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 22:49:23,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 22:49:23,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 22:49:23,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 22:49:23,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 22:49:23,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 22:49:23,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 22:49:23,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 22:49:23,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 22:49:23,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 22:49:23,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 22:49:23,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 22:49:23,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 22:49:23,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 22:49:23,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 22:49:23,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 22:49:23,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 22:49:23,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 22:49:23,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 22:49:23,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 22:49:23,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 22:49:23,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 22:49:23,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 22:49:23,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 22:49:23,478 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 22:49:23,492 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 22:49:23,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 22:49:23,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 22:49:23,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 22:49:23,494 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 22:49:23,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 22:49:23,494 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 22:49:23,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 22:49:23,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 22:49:23,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 22:49:23,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 22:49:23,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 22:49:23,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 22:49:23,496 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 22:49:23,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 22:49:23,496 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 22:49:23,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 22:49:23,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 22:49:23,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 22:49:23,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 22:49:23,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 22:49:23,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:49:23,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 22:49:23,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 22:49:23,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 22:49:23,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 22:49:23,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:49:23,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 22:49:23,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 22:49:23,499 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 22:49:23,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 22:49:23,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 22:49:23,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 22:49:23,789 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 22:49:23,789 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 22:49:23,790 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt8.c [2020-07-20 22:49:23,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30fb8ff0/35b3c579e79f4933b6279bdba60be562/FLAG119382f8c [2020-07-20 22:49:24,309 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 22:49:24,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt8.c [2020-07-20 22:49:24,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30fb8ff0/35b3c579e79f4933b6279bdba60be562/FLAG119382f8c [2020-07-20 22:49:24,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30fb8ff0/35b3c579e79f4933b6279bdba60be562 [2020-07-20 22:49:24,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 22:49:24,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 22:49:24,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 22:49:24,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 22:49:24,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 22:49:24,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:49:24" (1/1) ... [2020-07-20 22:49:24,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488a29fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:49:24, skipping insertion in model container [2020-07-20 22:49:24,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:49:24" (1/1) ... [2020-07-20 22:49:24,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 22:49:24,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 22:49:24,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:49:24,966 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 22:49:24,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:49:25,000 INFO L208 MainTranslator]: Completed translation [2020-07-20 22:49:25,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:49:25 WrapperNode [2020-07-20 22:49:25,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 22:49:25,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 22:49:25,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 22:49:25,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 22:49:25,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:49:25" (1/1) ... [2020-07-20 22:49:25,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:49:25" (1/1) ... [2020-07-20 22:49:25,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:49:25" (1/1) ... [2020-07-20 22:49:25,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:49:25" (1/1) ... [2020-07-20 22:49:25,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:49:25" (1/1) ... [2020-07-20 22:49:25,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:49:25" (1/1) ... [2020-07-20 22:49:25,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:49:25" (1/1) ... [2020-07-20 22:49:25,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 22:49:25,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 22:49:25,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 22:49:25,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 22:49:25,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:49:25" (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 22:49:25,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 22:49:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 22:49:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-20 22:49:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 22:49:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 22:49:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 22:49:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 22:49:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-20 22:49:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 22:49:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 22:49:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 22:49:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 22:49:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 22:49:25,454 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 22:49:25,454 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 22:49:25,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:49:25 BoogieIcfgContainer [2020-07-20 22:49:25,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 22:49:25,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 22:49:25,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 22:49:25,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 22:49:25,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:49:24" (1/3) ... [2020-07-20 22:49:25,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0df878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:49:25, skipping insertion in model container [2020-07-20 22:49:25,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:49:25" (2/3) ... [2020-07-20 22:49:25,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0df878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:49:25, skipping insertion in model container [2020-07-20 22:49:25,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:49:25" (3/3) ... [2020-07-20 22:49:25,467 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt8.c [2020-07-20 22:49:25,479 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 22:49:25,489 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 22:49:25,509 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 22:49:25,540 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 22:49:25,541 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 22:49:25,541 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 22:49:25,541 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 22:49:25,541 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 22:49:25,542 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 22:49:25,542 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 22:49:25,542 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 22:49:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-07-20 22:49:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-20 22:49:25,571 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:49:25,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:49:25,572 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:49:25,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:49:25,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1078562183, now seen corresponding path program 1 times [2020-07-20 22:49:25,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:49:25,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375013328] [2020-07-20 22:49:25,589 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:49:25,669 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:49:25,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:49:25,673 WARN L261 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-20 22:49:25,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:49:25,889 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 22:49:25,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:49:25,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375013328] [2020-07-20 22:49:25,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:49:25,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 22:49:25,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298874042] [2020-07-20 22:49:25,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 22:49:25,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:49:25,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 22:49:25,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-20 22:49:25,916 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 7 states. [2020-07-20 22:49:26,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:49:26,151 INFO L93 Difference]: Finished difference Result 71 states and 105 transitions. [2020-07-20 22:49:26,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:49:26,157 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-07-20 22:49:26,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:49:26,166 INFO L225 Difference]: With dead ends: 71 [2020-07-20 22:49:26,166 INFO L226 Difference]: Without dead ends: 39 [2020-07-20 22:49:26,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-20 22:49:26,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-07-20 22:49:26,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-07-20 22:49:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-07-20 22:49:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2020-07-20 22:49:26,216 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 14 [2020-07-20 22:49:26,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:49:26,217 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2020-07-20 22:49:26,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 22:49:26,217 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2020-07-20 22:49:26,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-20 22:49:26,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:49:26,219 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:49:26,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:49:26,435 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:49:26,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:49:26,436 INFO L82 PathProgramCache]: Analyzing trace with hash -858115487, now seen corresponding path program 1 times [2020-07-20 22:49:26,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:49:26,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979190889] [2020-07-20 22:49:26,436 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:49:26,523 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:49:26,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:49:26,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-20 22:49:26,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:49:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:49:26,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:49:26,777 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 22:49:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 22:49:26,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979190889] [2020-07-20 22:49:26,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 22:49:26,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2020-07-20 22:49:26,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121584525] [2020-07-20 22:49:26,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:49:26,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:49:26,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:49:26,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-07-20 22:49:26,956 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand 6 states. [2020-07-20 22:49:43,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:49:43,620 INFO L93 Difference]: Finished difference Result 55 states and 69 transitions. [2020-07-20 22:49:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 22:49:43,620 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-07-20 22:49:43,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:49:43,622 INFO L225 Difference]: With dead ends: 55 [2020-07-20 22:49:43,622 INFO L226 Difference]: Without dead ends: 53 [2020-07-20 22:49:43,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-07-20 22:49:43,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-20 22:49:43,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-20 22:49:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-20 22:49:43,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2020-07-20 22:49:43,633 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 28 [2020-07-20 22:49:43,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:49:43,634 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2020-07-20 22:49:43,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:49:43,634 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2020-07-20 22:49:43,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-20 22:49:43,636 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:49:43,636 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:49:43,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:49:43,851 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:49:43,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:49:43,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1617304246, now seen corresponding path program 1 times [2020-07-20 22:49:43,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:49:43,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173871742] [2020-07-20 22:49:43,854 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:49:43,917 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 22:49:43,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:49:43,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 22:49:43,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:49:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 22:49:43,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:49:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 9 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 22:49:52,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173871742] [2020-07-20 22:49:52,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:49:52,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-20 22:49:52,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225313585] [2020-07-20 22:49:52,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 22:49:52,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:49:52,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 22:49:52,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=31, Unknown=4, NotChecked=0, Total=56 [2020-07-20 22:49:52,345 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand 8 states. [2020-07-20 22:49:54,552 WARN L838 $PredicateComparison]: unable to prove that (and (< 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod (+ c_main_~l~0 1) 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod (+ c_main_~l~0 2) 4294967296) 7) 4294967296))) is different from false [2020-07-20 22:49:56,618 WARN L838 $PredicateComparison]: unable to prove that (and (< 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod (+ c_main_~l~0 1) 4294967296) 7) 4294967296))) is different from false [2020-07-20 22:51:30,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:51:30,602 INFO L93 Difference]: Finished difference Result 99 states and 138 transitions. [2020-07-20 22:51:30,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 22:51:30,603 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2020-07-20 22:51:30,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:51:30,607 INFO L225 Difference]: With dead ends: 99 [2020-07-20 22:51:30,607 INFO L226 Difference]: Without dead ends: 69 [2020-07-20 22:51:30,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=25, Invalid=33, Unknown=6, NotChecked=26, Total=90 [2020-07-20 22:51:30,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-07-20 22:51:30,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2020-07-20 22:51:30,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-20 22:51:30,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 84 transitions. [2020-07-20 22:51:30,625 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 84 transitions. Word has length 37 [2020-07-20 22:51:30,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:51:30,626 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 84 transitions. [2020-07-20 22:51:30,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 22:51:30,626 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2020-07-20 22:51:30,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-20 22:51:30,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:51:30,628 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:51:30,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:51:30,829 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:51:30,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:51:30,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1066251509, now seen corresponding path program 1 times [2020-07-20 22:51:30,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:51:30,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963158660] [2020-07-20 22:51:30,832 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:51:30,939 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:51:30,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:51:30,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 33 conjunts are in the unsatisfiable core [2020-07-20 22:51:30,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:51:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 22:51:31,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:51:31,234 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 22:51:50,544 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 8 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 22:51:50,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963158660] [2020-07-20 22:51:50,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:51:50,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2020-07-20 22:51:50,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769851089] [2020-07-20 22:51:50,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 22:51:50,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:51:50,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 22:51:50,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=185, Unknown=7, NotChecked=0, Total=240 [2020-07-20 22:51:50,547 INFO L87 Difference]: Start difference. First operand 68 states and 84 transitions. Second operand 16 states. [2020-07-20 22:52:08,020 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification that was a NOOP. DAG size: 26 [2020-07-20 22:52:44,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:52:44,265 INFO L93 Difference]: Finished difference Result 98 states and 129 transitions. [2020-07-20 22:52:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 22:52:44,266 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 42 [2020-07-20 22:52:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:52:44,268 INFO L225 Difference]: With dead ends: 98 [2020-07-20 22:52:44,268 INFO L226 Difference]: Without dead ends: 76 [2020-07-20 22:52:44,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 65 SyntacticMatches, 6 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 34.6s TimeCoverageRelationStatistics Valid=61, Invalid=235, Unknown=10, NotChecked=0, Total=306 [2020-07-20 22:52:44,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-20 22:52:44,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-20 22:52:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-20 22:52:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2020-07-20 22:52:44,279 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 42 [2020-07-20 22:52:44,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:52:44,279 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2020-07-20 22:52:44,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 22:52:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2020-07-20 22:52:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 22:52:44,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:52:44,282 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:52:44,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:52:44,484 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:52:44,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:52:44,485 INFO L82 PathProgramCache]: Analyzing trace with hash -52130443, now seen corresponding path program 1 times [2020-07-20 22:52:44,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:52:44,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179395713] [2020-07-20 22:52:44,487 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:52:44,834 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:52:44,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:52:44,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 35 conjunts are in the unsatisfiable core [2020-07-20 22:52:44,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:52:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 16 proven. 51 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 22:52:44,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:53:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 16 proven. 34 refuted. 17 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 22:53:04,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179395713] [2020-07-20 22:53:04,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:53:04,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2020-07-20 22:53:04,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110021848] [2020-07-20 22:53:04,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 22:53:04,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:53:04,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 22:53:04,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=158, Unknown=9, NotChecked=0, Total=240 [2020-07-20 22:53:04,258 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand 16 states. [2020-07-20 22:53:06,598 WARN L838 $PredicateComparison]: unable to prove that (and (< 0 (mod (mod (mod (+ c_main_~l~0 3) 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod (+ c_main_~l~0 4) 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod (+ c_main_~l~0 1) 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296))) is different from false [2020-07-20 22:53:08,702 WARN L838 $PredicateComparison]: unable to prove that (and (< 0 (mod (mod (mod (+ c_main_~l~0 3) 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod (+ c_main_~l~0 1) 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296))) is different from false [2020-07-20 22:53:10,823 WARN L838 $PredicateComparison]: unable to prove that (and (< 0 (mod (mod (mod (+ c_main_~l~0 3) 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod (+ c_main_~l~0 1) 4294967296) 7) 4294967296))) is different from false [2020-07-20 22:55:23,309 WARN L838 $PredicateComparison]: unable to prove that (and (< 0 (mod (mod (mod (+ c_main_~l~0 2) 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296))) is different from false [2020-07-20 22:55:25,521 WARN L860 $PredicateComparison]: unable to prove that (and (< 0 (mod (mod (mod (+ c_main_~l~0 2) 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296))) is different from true [2020-07-20 22:56:27,353 WARN L838 $PredicateComparison]: unable to prove that (and (< 0 (mod (mod (mod (+ c_main_~l~0 1) 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296))) is different from false [2020-07-20 22:57:02,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:57:02,343 INFO L93 Difference]: Finished difference Result 156 states and 221 transitions. [2020-07-20 22:57:02,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-20 22:57:02,464 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 64 [2020-07-20 22:57:02,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:57:02,468 INFO L225 Difference]: With dead ends: 156 [2020-07-20 22:57:02,468 INFO L226 Difference]: Without dead ends: 126 [2020-07-20 22:57:02,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 32.3s TimeCoverageRelationStatistics Valid=83, Invalid=162, Unknown=15, NotChecked=160, Total=420 [2020-07-20 22:57:02,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-20 22:57:02,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2020-07-20 22:57:02,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-20 22:57:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 167 transitions. [2020-07-20 22:57:02,484 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 167 transitions. Word has length 64 [2020-07-20 22:57:02,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:57:02,485 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 167 transitions. [2020-07-20 22:57:02,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 22:57:02,485 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 167 transitions. [2020-07-20 22:57:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-20 22:57:02,487 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:57:02,488 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:57:02,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:57:02,691 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:57:02,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:57:02,692 INFO L82 PathProgramCache]: Analyzing trace with hash 904744793, now seen corresponding path program 1 times [2020-07-20 22:57:02,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:57:02,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729092198] [2020-07-20 22:57:02,693 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:57:02,869 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:57:02,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:57:02,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 22:57:02,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:57:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 20 proven. 86 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 22:57:02,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:57:03,074 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 22:57:05,266 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 22:57:11,745 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 22:57:20,332 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 22:57:31,034 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 22:57:41,773 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 20 proven. 86 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 22:57:41,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729092198] [2020-07-20 22:57:41,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:57:41,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2020-07-20 22:57:41,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809458069] [2020-07-20 22:57:41,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-20 22:57:41,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:57:41,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-20 22:57:41,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=128, Unknown=18, NotChecked=0, Total=210 [2020-07-20 22:57:41,775 INFO L87 Difference]: Start difference. First operand 124 states and 167 transitions. Second operand 15 states. [2020-07-20 22:57:44,402 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 5))) (or (= 0 (mod (mod (mod .cse1 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)))) (let ((.cse2 (+ c_main_~l~0 4))) (or (= 0 (mod (mod (mod .cse2 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse2 4294967296) 6) 4294967296)))) (let ((.cse3 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse3 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse3 4294967296) 7) 4294967296) 0))) (let ((.cse4 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse4 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse4 4294967296) 6) 4294967296))))) is different from true [2020-07-20 22:57:46,532 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 4))) (or (= 0 (mod (mod (mod .cse1 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)))) (let ((.cse2 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse2 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse2 4294967296) 7) 4294967296) 0))) (let ((.cse3 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse3 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse3 4294967296) 6) 4294967296))))) is different from true [2020-07-20 22:58:48,317 WARN L193 SmtUtils]: Spent 40.19 s on a formula simplification that was a NOOP. DAG size: 50 [2020-07-20 22:59:05,636 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 4))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse1 4294967296) 7) 4294967296) 0))) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 6) 4294967296)) (let ((.cse2 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse2 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse2 4294967296) 6) 4294967296))))) is different from false [2020-07-20 22:59:07,783 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 4))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse1 4294967296) 7) 4294967296) 0))) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 6) 4294967296)) (let ((.cse2 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse2 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse2 4294967296) 6) 4294967296))))) is different from true [2020-07-20 22:59:09,897 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse1 4294967296) 7) 4294967296) 0))) (let ((.cse2 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse2 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse2 4294967296) 6) 4294967296))))) is different from false [2020-07-20 22:59:12,014 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse1 4294967296) 7) 4294967296) 0))) (let ((.cse2 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse2 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse2 4294967296) 6) 4294967296))))) is different from true [2020-07-20 22:59:40,398 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 5))) (or (= 0 (mod (mod (mod .cse1 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)))) (let ((.cse2 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse2 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse2 4294967296) 7) 4294967296) 0))) (let ((.cse3 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse3 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse3 4294967296) 6) 4294967296))))) is different from false [2020-07-20 22:59:49,188 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (or (< 0 (mod (mod (mod c_main_~l~0 4294967296) 6) 4294967296)) (= 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296))) (let ((.cse1 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse1 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296))))) is different from false [2020-07-20 22:59:53,502 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse1 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296))))) is different from false [2020-07-20 22:59:55,636 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse1 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296))))) is different from true [2020-07-20 23:00:02,126 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 5))) (or (= 0 (mod (mod (mod .cse1 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)))) (let ((.cse2 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse2 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse2 4294967296) 6) 4294967296))))) is different from false [2020-07-20 23:01:16,622 WARN L193 SmtUtils]: Spent 48.41 s on a formula simplification that was a NOOP. DAG size: 63 [2020-07-20 23:01:25,177 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse0 4294967296) 7) 4294967296) 0))) (or (< 0 (mod (mod (mod c_main_~l~0 4294967296) 6) 4294967296)) (= 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296)))) is different from false [2020-07-20 23:01:27,308 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse0 4294967296) 7) 4294967296) 0))) (or (< 0 (mod (mod (mod c_main_~l~0 4294967296) 6) 4294967296)) (= 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296)))) is different from true [2020-07-20 23:01:50,834 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 4))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse1 4294967296) 7) 4294967296) 0))) (or (< 0 (mod (mod (mod c_main_~l~0 4294967296) 6) 4294967296)) (= 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296)))) is different from true [2020-07-20 23:02:01,527 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse0 4294967296) 7) 4294967296) 0))) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 6) 4294967296))) is different from false [2020-07-20 23:02:24,970 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 6) 4294967296))) is different from false [2020-07-20 23:02:44,246 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 5))) (or (= 0 (mod (mod (mod .cse1 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)))) (let ((.cse2 (+ c_main_~l~0 2))) (or (< 0 (mod (mod (mod .cse2 4294967296) 6) 4294967296)) (= (mod (mod (mod .cse2 4294967296) 7) 4294967296) 0)))) is different from true [2020-07-20 23:03:37,785 WARN L193 SmtUtils]: Spent 23.46 s on a formula simplification that was a NOOP. DAG size: 35 [2020-07-20 23:03:44,180 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 5))) (or (= 0 (mod (mod (mod .cse1 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)))) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 6) 4294967296)) (let ((.cse2 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse2 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse2 4294967296) 6) 4294967296))))) is different from false [2020-07-20 23:03:46,369 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 5))) (or (= 0 (mod (mod (mod .cse1 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)))) (< 0 (mod (mod (mod c_main_~l~0 4294967296) 6) 4294967296)) (let ((.cse2 (+ c_main_~l~0 3))) (or (= 0 (mod (mod (mod .cse2 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse2 4294967296) 6) 4294967296))))) is different from true [2020-07-20 23:04:03,394 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ c_main_~l~0 1))) (or (= 0 (mod (mod (mod .cse0 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse0 4294967296) 6) 4294967296)))) (let ((.cse1 (+ c_main_~l~0 4))) (or (= 0 (mod (mod (mod .cse1 4294967296) 7) 4294967296)) (< 0 (mod (mod (mod .cse1 4294967296) 6) 4294967296)))) (or (< 0 (mod (mod (mod c_main_~l~0 4294967296) 6) 4294967296)) (= 0 (mod (mod (mod c_main_~l~0 4294967296) 7) 4294967296)))) is different from true