/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:24:18,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:24:18,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:24:18,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:24:18,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:24:18,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:24:18,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:24:18,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:24:18,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:24:18,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:24:18,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:24:18,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:24:18,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:24:18,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:24:18,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:24:18,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:24:18,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:24:18,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:24:18,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:24:18,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:24:18,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:24:18,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:24:18,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:24:18,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:24:18,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:24:18,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:24:18,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:24:18,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:24:18,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:24:18,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:24:18,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:24:18,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:24:18,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:24:18,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:24:18,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:24:18,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:24:18,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:24:18,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:24:18,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:24:18,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:24:18,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:24:18,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 11:24:18,548 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:24:18,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:24:18,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:24:18,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:24:18,553 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:24:18,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:24:18,553 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:24:18,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:24:18,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:24:18,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:24:18,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:24:18,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:24:18,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:24:18,556 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:24:18,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:24:18,556 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:24:18,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:24:18,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:24:18,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:24:18,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:24:18,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:24:18,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:24:18,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:24:18,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:24:18,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:24:18,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:24:18,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:24:18,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:24:18,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:24:18,560 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:24:19,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:24:19,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:24:19,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:24:19,073 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:24:19,073 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:24:19,075 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2020-09-25 11:24:19,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e338adc0/b0fbaf29b30d4fa89114b4bd6172895c/FLAG4626ca657 [2020-09-25 11:24:19,735 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:24:19,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2020-09-25 11:24:19,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e338adc0/b0fbaf29b30d4fa89114b4bd6172895c/FLAG4626ca657 [2020-09-25 11:24:20,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e338adc0/b0fbaf29b30d4fa89114b4bd6172895c [2020-09-25 11:24:20,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:24:20,090 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:24:20,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:24:20,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:24:20,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:24:20,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbfc66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20, skipping insertion in model container [2020-09-25 11:24:20,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:24:20,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:24:20,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:24:20,377 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:24:20,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:24:20,432 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:24:20,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20 WrapperNode [2020-09-25 11:24:20,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:24:20,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:24:20,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:24:20,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:24:20,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:24:20,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:24:20,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:24:20,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:24:20,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-25 11:24:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:24:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:24:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 11:24:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 11:24:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:24:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:24:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 11:24:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 11:24:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 11:24:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-25 11:24:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:24:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:24:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:24:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:24:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:24:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:24:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:24:21,019 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:24:21,020 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-25 11:24:21,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:24:21 BoogieIcfgContainer [2020-09-25 11:24:21,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:24:21,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:24:21,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:24:21,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:24:21,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:24:20" (1/3) ... [2020-09-25 11:24:21,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d92aaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:24:21, skipping insertion in model container [2020-09-25 11:24:21,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (2/3) ... [2020-09-25 11:24:21,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d92aaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:24:21, skipping insertion in model container [2020-09-25 11:24:21,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:24:21" (3/3) ... [2020-09-25 11:24:21,035 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i [2020-09-25 11:24:21,047 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:24:21,057 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:24:21,078 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:24:21,106 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:24:21,106 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:24:21,107 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:24:21,107 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:24:21,107 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:24:21,107 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:24:21,107 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:24:21,107 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:24:21,132 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-09-25 11:24:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-25 11:24:21,140 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:21,141 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:21,142 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:21,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:21,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1727331883, now seen corresponding path program 1 times [2020-09-25 11:24:21,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:21,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608592228] [2020-09-25 11:24:21,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:21,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:21,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:22,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:22,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 11:24:22,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:24:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 925 [2020-09-25 11:24:22,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:22,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 11:24:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 11:24:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:24:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:24:22,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:22,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:22,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:22,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:24:22,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:22,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 11:24:22,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:22,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:22,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:22,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:22,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:24:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:22,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:22,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:22,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:24:22,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:22,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:24:22,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:22,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:22,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:24:22,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:22,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:24:22,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:22,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-25 11:24:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:22,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:22,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:22,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:24:22,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:22,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 11:24:22,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:22,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:24:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:24:22,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:22,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-25 11:24:22,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608592228] [2020-09-25 11:24:22,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:24:22,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:24:22,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287941576] [2020-09-25 11:24:22,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:24:22,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:22,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:24:22,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:24:22,736 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 9 states. [2020-09-25 11:24:23,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:23,204 INFO L93 Difference]: Finished difference Result 137 states and 170 transitions. [2020-09-25 11:24:23,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 11:24:23,206 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-09-25 11:24:23,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:23,220 INFO L225 Difference]: With dead ends: 137 [2020-09-25 11:24:23,220 INFO L226 Difference]: Without dead ends: 79 [2020-09-25 11:24:23,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-09-25 11:24:23,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-09-25 11:24:23,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 60. [2020-09-25 11:24:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-09-25 11:24:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2020-09-25 11:24:23,286 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 30 [2020-09-25 11:24:23,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:23,287 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2020-09-25 11:24:23,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:24:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2020-09-25 11:24:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-25 11:24:23,290 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:23,290 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:23,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:24:23,291 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:23,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:23,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1086220015, now seen corresponding path program 1 times [2020-09-25 11:24:23,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:23,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760275021] [2020-09-25 11:24:23,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:23,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:23,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:23,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-25 11:24:23,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:23,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 11:24:23,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:23,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:23,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:24:23,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 11:24:23,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:24:23,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:23,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:23,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:23,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:23,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:24:23,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:23,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:24:23,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:23,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:23,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:23,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:24:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:23,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:23,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:23,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:24:23,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:24:23,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:23,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:24:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:24:23,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:23,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-25 11:24:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:23,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:23,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:23,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:24:23,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:23,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 11:24:23,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:23,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:23,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:24:23,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:23,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:24:23,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-25 11:24:23,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760275021] [2020-09-25 11:24:23,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:24:23,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 11:24:23,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869456360] [2020-09-25 11:24:23,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 11:24:23,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:23,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 11:24:23,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 11:24:23,523 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 4 states. [2020-09-25 11:24:23,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:23,683 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2020-09-25 11:24:23,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 11:24:23,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-09-25 11:24:23,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:23,686 INFO L225 Difference]: With dead ends: 91 [2020-09-25 11:24:23,687 INFO L226 Difference]: Without dead ends: 72 [2020-09-25 11:24:23,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 11:24:23,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-25 11:24:23,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 60. [2020-09-25 11:24:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-09-25 11:24:23,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2020-09-25 11:24:23,701 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 34 [2020-09-25 11:24:23,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:23,702 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2020-09-25 11:24:23,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 11:24:23,702 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2020-09-25 11:24:23,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-25 11:24:23,704 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:23,705 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:23,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:24:23,705 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:23,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:23,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1811286385, now seen corresponding path program 1 times [2020-09-25 11:24:23,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:23,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744222145] [2020-09-25 11:24:23,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:23,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:23,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:24,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:24,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:28,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:28,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-25 11:24:28,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:24:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 11:24:28,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:28,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 11:24:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 11:24:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 11:24:28,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:28,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:28,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:28,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:28,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:24:28,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:28,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:24:28,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:28,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:28,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:28,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:28,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:28,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:28,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:24:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:28,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:28,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:28,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:24:28,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:28,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:24:28,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:28,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:28,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:28,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:28,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:28,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:28,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-25 11:24:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:28,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:28,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:28,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:24:28,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:28,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:24:28,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:28,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:28,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:28,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:24:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:28,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:29,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:29,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:24:29,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 11:24:29,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:29,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:29,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:24:29,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:29,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:24:29,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:29,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 11:24:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:29,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:29,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:29,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:24:29,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:29,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 11:24:29,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:29,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:24:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:24:29,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-25 11:24:29,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744222145] [2020-09-25 11:24:29,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:24:29,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 11:24:29,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425304528] [2020-09-25 11:24:29,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 11:24:29,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:29,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 11:24:29,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-25 11:24:29,074 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 11 states. [2020-09-25 11:24:29,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:29,639 INFO L93 Difference]: Finished difference Result 82 states and 88 transitions. [2020-09-25 11:24:29,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:24:29,640 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 52 [2020-09-25 11:24:29,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:29,642 INFO L225 Difference]: With dead ends: 82 [2020-09-25 11:24:29,642 INFO L226 Difference]: Without dead ends: 80 [2020-09-25 11:24:29,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2020-09-25 11:24:29,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-09-25 11:24:29,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 62. [2020-09-25 11:24:29,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 11:24:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2020-09-25 11:24:29,654 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 52 [2020-09-25 11:24:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:29,655 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2020-09-25 11:24:29,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 11:24:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2020-09-25 11:24:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-25 11:24:29,657 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:29,658 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:29,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:24:29,658 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:29,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:29,659 INFO L82 PathProgramCache]: Analyzing trace with hash 2082234165, now seen corresponding path program 1 times [2020-09-25 11:24:29,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:29,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961494532] [2020-09-25 11:24:29,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:29,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:30,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:32,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:32,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 11:24:32,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:24:32,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2713 [2020-09-25 11:24:32,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:32,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:32,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:24:32,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 11:24:32,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 11:24:32,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:33,285 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 49 [2020-09-25 11:24:44,758 WARN L193 SmtUtils]: Spent 11.41 s on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2020-09-25 11:25:08,578 WARN L193 SmtUtils]: Spent 23.75 s on a formula simplification. DAG size of input: 147 DAG size of output: 100 [2020-09-25 11:25:10,663 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse66 (div c_main_~index2~0 4294967296))) (let ((.cse21 (* 4294967296 .cse66))) (let ((.cse0 (<= c_main_~index2~0 (+ .cse21 4294967295)))) (and .cse0 (let ((.cse65 (div c_main_~index1~0 4294967296))) (let ((.cse1 (* 4294967296 .cse65))) (let ((.cse9 (+ .cse21 c_main_~index1~0)) (.cse17 (+ .cse1 c_main_~index2~0)) (.cse67 (+ .cse21 2147483647))) (let ((.cse6 (< .cse67 c_main_~index2~0)) (.cse2 (<= .cse9 .cse17)) (.cse8 (<= c_main_~index2~0 .cse67)) (.cse49 (+ .cse1 c_main_~index2~0 4294967296)) (.cse61 (* 17179869184 .cse66)) (.cse62 (* 4 c_main_~index1~0)) (.cse58 (* 17179869184 .cse65)) (.cse59 (* 4 c_main_~index2~0))) (let ((.cse60 (+ .cse1 2147483647)) (.cse57 (+ .cse58 .cse59)) (.cse56 (+ .cse61 .cse62)) (.cse36 (select |c_#memory_int| |c_main_~#array~0.base|)) (.cse63 (* .cse66 (- 17179869184))) (.cse64 (* c_main_~index2~0 4)) (.cse43 (and .cse8 (<= .cse9 .cse49))) (.cse44 (and .cse6 .cse2)) (.cse48 (+ .cse21 c_main_~index1~0 4294967296))) (let ((.cse13 (and .cse8 .cse2)) (.cse14 (and (<= .cse48 .cse17) .cse6)) (.cse22 (or .cse43 .cse44)) (.cse47 (not (= .cse9 .cse17))) (.cse10 (+ .cse1 c_main_~index2~0 4294967295)) (.cse16 (+ .cse21 c_main_~index1~0 4294967297)) (.cse19 (+ .cse21 c_main_~index1~0 1)) (.cse37 (* .cse65 (- 17179869184))) (.cse38 (* c_main_~index1~0 4)) (.cse30 (select .cse36 (+ .cse63 .cse64 |c_main_~#array~0.offset|))) (.cse27 (select .cse36 (+ .cse63 .cse64 |c_main_~#array~0.offset| (- 17179869184)))) (.cse52 (= .cse57 .cse56)) (.cse53 (= (+ .cse61 .cse62 17179869184) .cse57)) (.cse11 (< .cse60 c_main_~index1~0)) (.cse15 (<= c_main_~index1~0 .cse60)) (.cse45 (= (+ .cse58 .cse59 17179869184) .cse56)) (.cse46 (= .cse56 .cse57))) (let ((.cse26 (and (or (and (or .cse6 (not .cse52)) (or .cse8 (not .cse53))) .cse11) (or .cse15 (and (or .cse6 (not .cse45)) (or .cse8 (not .cse46)))))) (.cse34 (* .cse27 (- 1))) (.cse35 (* (div .cse27 4294967296) 4294967296)) (.cse32 (* .cse30 (- 1))) (.cse33 (* (div .cse30 4294967296) 4294967296)) (.cse39 (and (or .cse15 (let ((.cse54 (select .cse36 (+ .cse37 .cse38 |c_main_~#array~0.offset| (- 17179869184))))) (and (or .cse8 (not (= .cse54 .cse27))) (or .cse6 (not (= .cse54 .cse30)))))) (or (let ((.cse55 (select .cse36 (+ .cse37 .cse38 |c_main_~#array~0.offset|)))) (and (or .cse8 (not (= .cse55 .cse27))) (or .cse6 (not (= .cse55 .cse30))))) .cse11))) (.cse4 (and .cse15 (or (and .cse8 .cse52) (and .cse6 .cse53)))) (.cse20 (or .cse6 (let ((.cse50 (< .cse17 .cse19))) (and (or (and (or .cse6 (< .cse10 .cse9)) (or .cse8 .cse50)) .cse15) (or .cse11 (and (or .cse6 .cse50) (or .cse8 (< .cse17 .cse16)))))) (let ((.cse51 (< .cse17 .cse9))) (and (or (and (or .cse6 .cse51) (or .cse8 (< .cse17 .cse48))) .cse11) (or .cse15 (and (or (< .cse49 .cse9) .cse6) (or .cse8 .cse51))))))) (.cse23 (or (and (or .cse8 .cse47) (or .cse6 (not (= .cse9 .cse49)))) .cse15)) (.cse24 (or (and (or .cse47 .cse6) (or .cse8 (not (= .cse48 .cse17)))) .cse11)) (.cse12 (and .cse11 .cse22)) (.cse18 (and .cse15 (or .cse13 .cse14))) (.cse25 (and (or (and .cse8 .cse45) (and .cse46 .cse6)) .cse11)) (.cse3 (< .cse9 .cse17))) (or (<= (+ .cse1 4294967297) c_main_~index1~0) (and (<= c_main_~index1~0 (+ .cse1 2147483648)) .cse2 (or .cse3 (and (or .cse4 (and (let ((.cse5 (and .cse20 (or .cse12 (and (<= (+ .cse21 2147483648) c_main_~index2~0) .cse22) .cse18)))) (or .cse5 (and (let ((.cse7 (<= .cse19 .cse17))) (or .cse5 (and (or (and .cse6 .cse7) (and .cse8 (<= .cse9 .cse10))) .cse11) .cse12 .cse13 .cse14 (and .cse15 (or (and .cse8 .cse7) (and .cse6 (<= .cse16 .cse17)))) .cse18)) .cse15))) .cse23 .cse24) .cse25) (or .cse26 (let ((.cse31 (select .cse36 (+ .cse37 |c_main_~#array~0.offset| .cse38 (- 4))))) (and (let ((.cse28 (* .cse31 (- 1))) (.cse29 (* (div .cse31 4294967296) 4294967296))) (or (and .cse6 (<= (* 4294967296 (div (+ .cse27 .cse28 .cse29 4294967295) 4294967296)) .cse27)) (and .cse8 (<= (* 4294967296 (div (+ .cse30 .cse28 .cse29 4294967295) 4294967296)) .cse30)))) (or (and .cse8 (<= (* 4294967296 (div (+ .cse32 .cse33 .cse31 4294967295) 4294967296)) .cse31)) (and .cse6 (<= (* 4294967296 (div (+ .cse34 .cse31 .cse35 4294967295) 4294967296)) .cse31))))) .cse39)))) (and .cse0 (or (and (or .cse26 (let ((.cse42 (select .cse36 (+ .cse37 |c_main_~#array~0.offset| .cse38 (- 17179869188))))) (and (let ((.cse40 (* (div .cse42 4294967296) 4294967296)) (.cse41 (* .cse42 (- 1)))) (or (and (<= (* 4294967296 (div (+ .cse27 .cse40 .cse41 4294967295) 4294967296)) .cse27) .cse6) (and .cse8 (<= (* 4294967296 (div (+ .cse30 .cse40 .cse41 4294967295) 4294967296)) .cse30)))) (or (and .cse6 (<= (* 4294967296 (div (+ .cse34 .cse35 .cse42 4294967295) 4294967296)) .cse42)) (and .cse8 (<= (* 4294967296 (div (+ .cse32 .cse33 .cse42 4294967295) 4294967296)) .cse42))))) .cse39) (or .cse4 (and .cse20 .cse23 .cse24 (or .cse43 .cse44 .cse12 .cse18)) .cse25)) .cse3) .cse2 (<= (+ .cse21 2147483649) c_main_~index2~0)) (<= (+ .cse1 6442450945) c_main_~index1~0))))))))))))) is different from false [2020-09-25 11:25:13,475 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 129 DAG size of output: 93 [2020-09-25 11:25:24,785 WARN L193 SmtUtils]: Spent 11.22 s on a formula simplification. DAG size of input: 134 DAG size of output: 87