/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 --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 interpolation-heuristic=FIRST --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-eb0fd7c [2020-09-21 11:31:34,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:31:34,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:31:34,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:31:34,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:31:34,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:31:34,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:31:34,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:31:34,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:31:34,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:31:34,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:31:34,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:31:34,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:31:34,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:31:34,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:31:34,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:31:34,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:31:34,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:31:34,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:31:34,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:31:34,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:31:34,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:31:34,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:31:34,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:31:34,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:31:34,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:31:34,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:31:34,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:31:34,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:31:34,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:31:34,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:31:34,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:31:34,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:31:34,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:31:34,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:31:34,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:31:34,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:31:34,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:31:34,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:31:34,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:31:34,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:31:34,450 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 [2020-09-21 11:31:34,495 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:31:34,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:31:34,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:31:34,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:31:34,498 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:31:34,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:31:34,499 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:31:34,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:31:34,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:31:34,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:31:34,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:31:34,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:31:34,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:31:34,501 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:31:34,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:31:34,502 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:31:34,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:31:34,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:31:34,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:31:34,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:31:34,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:31:34,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:31:34,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:31:34,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:31:34,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:31:34,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:31:34,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:31:34,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:31:34,504 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:31:34,505 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:31:34,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:31:35,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:31:35,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:31:35,007 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:31:35,008 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:31:35,009 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2020-09-21 11:31:35,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa629e4b2/2ee679743e274f7fb924450ee7ffbeb7/FLAG1d7cbd777 [2020-09-21 11:31:35,652 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:31:35,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2020-09-21 11:31:35,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa629e4b2/2ee679743e274f7fb924450ee7ffbeb7/FLAG1d7cbd777 [2020-09-21 11:31:35,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa629e4b2/2ee679743e274f7fb924450ee7ffbeb7 [2020-09-21 11:31:35,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:31:35,997 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:31:35,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:31:35,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:31:36,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:31:36,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:31:35" (1/1) ... [2020-09-21 11:31:36,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a8d835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36, skipping insertion in model container [2020-09-21 11:31:36,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:31:35" (1/1) ... [2020-09-21 11:31:36,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:31:36,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:31:36,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:31:36,302 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:31:36,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:31:36,360 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:31:36,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36 WrapperNode [2020-09-21 11:31:36,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:31:36,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:31:36,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:31:36,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:31:36,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:31:36,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:31:36,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:31:36,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:31:36,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (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 [2020-09-21 11:31:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:31:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:31:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 11:31:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 11:31:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:31:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:31:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:31:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 11:31:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 11:31:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-21 11:31:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:31:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:31:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:31:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:31:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:31:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:31:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:31:36,880 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:31:36,880 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-21 11:31:36,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:31:36 BoogieIcfgContainer [2020-09-21 11:31:36,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:31:36,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:31:36,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:31:36,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:31:36,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:31:35" (1/3) ... [2020-09-21 11:31:36,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebd6952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:31:36, skipping insertion in model container [2020-09-21 11:31:36,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (2/3) ... [2020-09-21 11:31:36,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebd6952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:31:36, skipping insertion in model container [2020-09-21 11:31:36,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:31:36" (3/3) ... [2020-09-21 11:31:36,895 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i [2020-09-21 11:31:36,908 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:31:36,918 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:31:36,940 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:31:36,971 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:31:36,972 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:31:36,972 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:31:36,972 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:31:36,972 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:31:36,972 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:31:36,972 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:31:36,973 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:31:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-09-21 11:31:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-21 11:31:37,002 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:37,004 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:31:37,004 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:37,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:37,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1561713717, now seen corresponding path program 1 times [2020-09-21 11:31:37,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:37,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2090556202] [2020-09-21 11:31:37,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:31:37,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:31:37,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:31:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:37,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:37,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:37,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:37,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:37,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:37,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:37,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:37,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:31:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:37,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:31:37,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:31:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:37,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:37,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:31:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:37,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:31:37,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:31:37,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:37,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 11:31:37,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2090556202] [2020-09-21 11:31:37,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:37,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:31:37,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423454122] [2020-09-21 11:31:37,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:31:37,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:37,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:31:37,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:31:37,331 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 3 states. [2020-09-21 11:31:37,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:37,474 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-09-21 11:31:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:31:37,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-09-21 11:31:37,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:37,489 INFO L225 Difference]: With dead ends: 59 [2020-09-21 11:31:37,489 INFO L226 Difference]: Without dead ends: 28 [2020-09-21 11:31:37,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:31:37,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-09-21 11:31:37,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-09-21 11:31:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-21 11:31:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-09-21 11:31:37,541 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 22 [2020-09-21 11:31:37,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:37,542 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-09-21 11:31:37,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:31:37,542 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-09-21 11:31:37,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-21 11:31:37,545 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:37,545 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:31:37,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:31:37,546 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:37,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:37,546 INFO L82 PathProgramCache]: Analyzing trace with hash -258750159, now seen corresponding path program 1 times [2020-09-21 11:31:37,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:37,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989664836] [2020-09-21 11:31:37,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:31:37,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 11:31:37,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:31:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:31:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:31:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:37,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:37,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:37,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:37,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:37,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:37,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:31:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:37,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:37,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:37,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:37,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:37,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:37,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:31:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:37,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:31:37,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:31:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:31:37,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:31:37,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989664836] [2020-09-21 11:31:37,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:37,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:31:37,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460318845] [2020-09-21 11:31:37,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:31:37,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:37,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:31:37,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:31:37,966 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 9 states. [2020-09-21 11:31:38,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:38,326 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2020-09-21 11:31:38,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:31:38,327 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-09-21 11:31:38,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:38,328 INFO L225 Difference]: With dead ends: 37 [2020-09-21 11:31:38,328 INFO L226 Difference]: Without dead ends: 35 [2020-09-21 11:31:38,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:31:38,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-09-21 11:31:38,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2020-09-21 11:31:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-21 11:31:38,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2020-09-21 11:31:38,343 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 22 [2020-09-21 11:31:38,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:38,344 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2020-09-21 11:31:38,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:31:38,344 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2020-09-21 11:31:38,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-21 11:31:38,345 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:38,346 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] [2020-09-21 11:31:38,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:31:38,346 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:38,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:38,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1843057556, now seen corresponding path program 1 times [2020-09-21 11:31:38,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:38,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529890434] [2020-09-21 11:31:38,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:38,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:38,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:38,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:38,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:38,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:31:38,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:38,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:31:38,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:38,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:31:38,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:31:38,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:31:38,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:38,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:38,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:38,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:38,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:38,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:38,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:38,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:38,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:38,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:38,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:31:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:38,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:38,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:38,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:38,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:38,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:38,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:38,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:31:38,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:38,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:31:38,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:38,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:31:38,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:31:38,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:31:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:38,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:38,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:38,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:38,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:38,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:38,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:38,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:31:38,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:38,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:31:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:31:38,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 11:31:38,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529890434] [2020-09-21 11:31:38,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:38,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:31:38,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006172864] [2020-09-21 11:31:38,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:31:38,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:38,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:31:38,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:31:38,482 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 4 states. [2020-09-21 11:31:38,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:38,566 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2020-09-21 11:31:38,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:31:38,566 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-09-21 11:31:38,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:38,568 INFO L225 Difference]: With dead ends: 47 [2020-09-21 11:31:38,568 INFO L226 Difference]: Without dead ends: 37 [2020-09-21 11:31:38,569 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 [2020-09-21 11:31:38,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-09-21 11:31:38,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 33. [2020-09-21 11:31:38,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-09-21 11:31:38,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2020-09-21 11:31:38,578 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 24 [2020-09-21 11:31:38,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:38,579 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2020-09-21 11:31:38,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:31:38,579 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2020-09-21 11:31:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 11:31:38,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:38,581 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] [2020-09-21 11:31:38,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:31:38,581 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:38,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:38,581 INFO L82 PathProgramCache]: Analyzing trace with hash -506278145, now seen corresponding path program 1 times [2020-09-21 11:31:38,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:38,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381597730] [2020-09-21 11:31:38,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:39,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-21 11:31:39,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -14 [2020-09-21 11:31:39,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 14 [2020-09-21 11:31:39,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:39,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-21 11:31:39,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-09-21 11:31:39,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:31:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:31:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:31:39,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:39,552 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 49 [2020-09-21 11:31:39,896 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 62 [2020-09-21 11:31:40,511 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 68 [2020-09-21 11:31:40,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:40,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:40,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:40,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:40,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:40,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:40,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:40,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:40,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:40,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:40,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:40,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:40,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:40,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:31:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:40,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:40,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:40,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:40,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:40,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:40,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:40,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:40,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:40,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:40,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:40,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:40,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:40,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:31:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:40,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:40,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:40,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:40,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:40,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:40,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:40,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:40,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:40,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:40,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:40,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:40,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:31:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:40,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:40,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:40,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:40,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:40,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:40,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:40,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:31:40,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:40,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:31:40,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:40,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:31:40,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:40,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 11:31:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:40,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:40,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:40,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:40,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:40,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:40,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:40,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:31:40,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:31:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:31:40,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:40,798 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 11:31:40,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381597730] [2020-09-21 11:31:40,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:40,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:31:40,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196905188] [2020-09-21 11:31:40,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:31:40,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:40,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:31:40,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:31:40,801 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 12 states. [2020-09-21 11:31:43,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:43,623 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2020-09-21 11:31:43,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:31:43,624 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2020-09-21 11:31:43,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:43,626 INFO L225 Difference]: With dead ends: 42 [2020-09-21 11:31:43,626 INFO L226 Difference]: Without dead ends: 40 [2020-09-21 11:31:43,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:31:43,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-09-21 11:31:43,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2020-09-21 11:31:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-21 11:31:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2020-09-21 11:31:43,637 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 37 [2020-09-21 11:31:43,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:43,638 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2020-09-21 11:31:43,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:31:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2020-09-21 11:31:43,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-09-21 11:31:43,639 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:43,639 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, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:31:43,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:31:43,640 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:43,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:43,640 INFO L82 PathProgramCache]: Analyzing trace with hash 170703353, now seen corresponding path program 1 times [2020-09-21 11:31:43,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:43,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1320109590] [2020-09-21 11:31:43,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:43,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:31:43,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -14 [2020-09-21 11:31:43,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 14 [2020-09-21 11:31:43,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:43,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-21 11:31:43,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:43,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:31:43,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:31:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:31:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:31:43,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:43,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:43,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:43,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:43,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:43,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:43,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:43,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:43,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:43,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:43,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:43,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:31:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:43,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:43,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:43,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:43,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:43,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:43,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:43,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:43,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:43,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:43,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:43,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:43,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:43,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:31:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:43,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:43,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:43,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:43,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:43,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:43,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:43,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:43,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:43,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:43,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:43,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:43,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:43,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:31:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:43,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:43,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:43,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:43,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:43,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:43,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:43,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:31:43,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:43,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:31:43,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:43,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:31:43,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:43,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 11:31:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:43,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:43,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:43,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:43,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:43,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:43,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:31:43,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:31:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:31:43,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:43,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:31:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:43,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:43,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:43,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:43,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:43,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:31:43,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:43,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:31:43,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:43,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:31:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:31:43,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:31:43,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1320109590] [2020-09-21 11:31:43,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:31:43,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:31:43,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22817598] [2020-09-21 11:31:43,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:31:43,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:43,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:31:43,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:31:43,850 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 5 states. [2020-09-21 11:31:44,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:44,124 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2020-09-21 11:31:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:31:44,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-09-21 11:31:44,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:44,126 INFO L225 Difference]: With dead ends: 45 [2020-09-21 11:31:44,126 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:31:44,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:31:44,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:31:44,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:31:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:31:44,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:31:44,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2020-09-21 11:31:44,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:44,128 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:31:44,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:31:44,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:31:44,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:31:44,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:31:44,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:31:52,000 WARN L193 SmtUtils]: Spent 7.70 s on a formula simplification. DAG size of input: 88 DAG size of output: 53 [2020-09-21 11:31:54,306 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2020-09-21 11:31:54,657 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-21 11:31:54,666 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:31:54,667 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-21 11:31:54,667 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:31:54,667 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:31:54,667 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-21 11:31:54,667 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:31:54,667 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:31:54,667 INFO L271 CegarLoopResult]: At program point assume_abort_if_notENTRY(lines 9 11) the Hoare annotation is: true [2020-09-21 11:31:54,667 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-21 11:31:54,668 INFO L268 CegarLoopResult]: For program point L10-2(lines 9 11) no Hoare annotation was computed. [2020-09-21 11:31:54,668 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 9 11) no Hoare annotation was computed. [2020-09-21 11:31:54,668 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 22 50) no Hoare annotation was computed. [2020-09-21 11:31:54,668 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 22 50) no Hoare annotation was computed. [2020-09-21 11:31:54,669 INFO L264 CegarLoopResult]: At program point L44(line 44) the Hoare annotation is: (let ((.cse1 (* 4294967296 (div |main_#t~mem6| 4294967296))) (.cse0 (+ |main_#t~mem6| (* 4294967296 (div |main_#t~mem7| 4294967296))))) (and (<= (+ (* 4294967296 (div (+ (* (div (+ main_~index1~0 (- 1)) 4294967296) (- 4294967296)) main_~index2~0 1) 4294967296)) main_~index1~0) (+ main_~index2~0 1)) (< .cse0 (+ |main_#t~mem7| .cse1 1)) (<= (+ |main_#t~mem7| .cse1) .cse0) (let ((.cse17 (div main_~index2~0 4294967296)) (.cse16 (div main_~index1~0 4294967296))) (let ((.cse3 (* 4294967296 .cse16)) (.cse7 (select |#memory_int| |main_~#array~0.base|)) (.cse14 (* .cse17 (- 17179869184))) (.cse15 (* main_~index2~0 4))) (let ((.cse6 (select .cse7 (+ .cse14 .cse15 |main_~#array~0.offset|))) (.cse2 (* 4294967296 .cse17)) (.cse8 (* .cse16 (- 17179869184))) (.cse9 (* main_~index1~0 4)) (.cse4 (+ .cse3 2147483647))) (or (<= (+ .cse2 main_~index1~0) (+ .cse3 main_~index2~0)) (and (<= main_~index1~0 .cse4) (<= (let ((.cse5 (select .cse7 (+ .cse8 .cse9 |main_~#array~0.offset|)))) (+ .cse5 (* 4294967296 (div (+ (* .cse5 (- 1)) .cse6 4294967295) 4294967296)))) .cse6)) (and (let ((.cse11 (select .cse7 (+ .cse8 .cse9 |main_~#array~0.offset| (- 17179869184))))) (let ((.cse10 (+ .cse2 2147483647)) (.cse13 (* .cse11 (- 1)))) (or (and (< .cse10 main_~index2~0) (let ((.cse12 (select .cse7 (+ .cse14 .cse15 |main_~#array~0.offset| (- 17179869184))))) (<= (+ .cse11 (* 4294967296 (div (+ .cse12 .cse13 4294967295) 4294967296))) .cse12))) (and (<= main_~index2~0 .cse10) (<= (+ .cse11 (* 4294967296 (div (+ .cse6 .cse13 4294967295) 4294967296))) .cse6))))) (< .cse4 main_~index1~0)))))))) [2020-09-21 11:31:54,669 INFO L268 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2020-09-21 11:31:54,669 INFO L268 CegarLoopResult]: For program point L42(lines 42 48) no Hoare annotation was computed. [2020-09-21 11:31:54,669 INFO L264 CegarLoopResult]: At program point L36(line 36) the Hoare annotation is: (let ((.cse1 (div main_~index2~0 4294967296))) (let ((.cse0 (select |#memory_int| |main_~#array~0.base|)) (.cse3 (* 4294967296 .cse1)) (.cse2 (div main_~index1~0 4294967296))) (and (= (select .cse0 (+ (* .cse1 (- 17179869184)) (* main_~index2~0 4) |main_~#array~0.offset|)) |main_#t~mem3|) (= (select .cse0 (+ (* .cse2 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|)) |main_#t~mem2|) (<= main_~index2~0 (+ .cse3 99999)) (<= (+ .cse3 main_~index1~0 1) (+ (* 4294967296 .cse2) main_~index2~0))))) [2020-09-21 11:31:54,669 INFO L268 CegarLoopResult]: For program point L36-1(line 36) no Hoare annotation was computed. [2020-09-21 11:31:54,670 INFO L264 CegarLoopResult]: At program point L34-1(lines 32 40) the Hoare annotation is: (let ((.cse4 (div main_~index2~0 4294967296))) (let ((.cse5 (* 4294967296 .cse4))) (let ((.cse6 (<= main_~index2~0 (+ .cse5 99999)))) (or (and (let ((.cse3 (div main_~index1~0 4294967296))) (or (let ((.cse2 (select |#memory_int| |main_~#array~0.base|))) (let ((.cse1 (select .cse2 (+ (* .cse4 (- 17179869184)) (* main_~index2~0 4) |main_~#array~0.offset|)))) (<= (let ((.cse0 (select .cse2 (+ (* .cse3 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|)))) (+ .cse0 (* 4294967296 (div (+ (* .cse0 (- 1)) .cse1 4294967295) 4294967296)))) .cse1))) (<= (+ .cse5 main_~index1~0) (+ (* 4294967296 .cse3) main_~index2~0)))) (<= (+ (* 4294967296 (div (+ (* (div (+ main_~index1~0 (- 1)) 4294967296) (- 4294967296)) main_~index2~0 1) 4294967296)) main_~index1~0) (+ main_~index2~0 1)) .cse6) (and .cse6 (= main_~loop_entered~0 0)))))) [2020-09-21 11:31:54,670 INFO L264 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-09-21 11:31:54,670 INFO L268 CegarLoopResult]: For program point L34-2(lines 23 50) no Hoare annotation was computed. [2020-09-21 11:31:54,670 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-09-21 11:31:54,670 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 22 50) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-21 11:31:54,671 INFO L268 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed. [2020-09-21 11:31:54,671 INFO L264 CegarLoopResult]: At program point L43-2(lines 43 47) the Hoare annotation is: (let ((.cse14 (div main_~index1~0 4294967296)) (.cse15 (div main_~index2~0 4294967296))) (let ((.cse12 (* 4294967296 .cse15)) (.cse13 (* 4294967296 .cse14))) (or (and (<= (+ (* 4294967296 (div (+ (* (div (+ main_~index1~0 (- 1)) 4294967296) (- 4294967296)) main_~index2~0 1) 4294967296)) main_~index1~0) (+ main_~index2~0 1)) (let ((.cse3 (select |#memory_int| |main_~#array~0.base|)) (.cse10 (* .cse15 (- 17179869184))) (.cse11 (* main_~index2~0 4))) (let ((.cse2 (select .cse3 (+ .cse10 .cse11 |main_~#array~0.offset|))) (.cse4 (* .cse14 (- 17179869184))) (.cse5 (* main_~index1~0 4)) (.cse0 (+ .cse13 2147483647))) (or (and (<= main_~index1~0 .cse0) (<= (let ((.cse1 (select .cse3 (+ .cse4 .cse5 |main_~#array~0.offset|)))) (+ .cse1 (* 4294967296 (div (+ (* .cse1 (- 1)) .cse2 4294967295) 4294967296)))) .cse2)) (and (let ((.cse7 (select .cse3 (+ .cse4 .cse5 |main_~#array~0.offset| (- 17179869184))))) (let ((.cse6 (+ .cse12 2147483647)) (.cse9 (* .cse7 (- 1)))) (or (and (< .cse6 main_~index2~0) (let ((.cse8 (select .cse3 (+ .cse10 .cse11 |main_~#array~0.offset| (- 17179869184))))) (<= (+ .cse7 (* 4294967296 (div (+ .cse8 .cse9 4294967295) 4294967296))) .cse8))) (and (<= main_~index2~0 .cse6) (<= (+ .cse7 (* 4294967296 (div (+ .cse2 .cse9 4294967295) 4294967296))) .cse2))))) (< .cse0 main_~index1~0)))))) (<= (+ .cse12 main_~index1~0 1) (+ .cse13 main_~index2~0))))) [2020-09-21 11:31:54,671 INFO L264 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~index2~0 4294967296)))) (and (<= main_~index2~0 (+ .cse0 99999)) (<= (+ .cse0 main_~index1~0 1) (+ (* 4294967296 (div main_~index1~0 4294967296)) main_~index2~0)))) [2020-09-21 11:31:54,672 INFO L268 CegarLoopResult]: For program point L35-1(line 35) no Hoare annotation was computed. [2020-09-21 11:31:54,672 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-09-21 11:31:54,672 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 12 18) the Hoare annotation is: true [2020-09-21 11:31:54,672 INFO L268 CegarLoopResult]: For program point L14(lines 14 16) no Hoare annotation was computed. [2020-09-21 11:31:54,672 INFO L268 CegarLoopResult]: For program point L14-2(lines 12 18) no Hoare annotation was computed. [2020-09-21 11:31:54,672 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 12 18) no Hoare annotation was computed. [2020-09-21 11:31:54,672 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2020-09-21 11:31:54,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:31:54 BoogieIcfgContainer [2020-09-21 11:31:54,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:31:54,714 INFO L168 Benchmark]: Toolchain (without parser) took 18721.78 ms. Allocated memory was 138.9 MB in the beginning and 280.0 MB in the end (delta: 141.0 MB). Free memory was 100.9 MB in the beginning and 173.8 MB in the end (delta: -72.9 MB). Peak memory consumption was 68.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:31:54,715 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:31:54,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.57 ms. Allocated memory is still 138.9 MB. Free memory was 100.2 MB in the beginning and 89.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:31:54,717 INFO L168 Benchmark]: Boogie Preprocessor took 134.37 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 89.9 MB in the beginning and 179.7 MB in the end (delta: -89.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:31:54,717 INFO L168 Benchmark]: RCFGBuilder took 388.96 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 164.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:31:54,718 INFO L168 Benchmark]: TraceAbstraction took 17824.74 ms. Allocated memory was 202.4 MB in the beginning and 280.0 MB in the end (delta: 77.6 MB). Free memory was 163.3 MB in the beginning and 173.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:31:54,723 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 363.57 ms. Allocated memory is still 138.9 MB. Free memory was 100.2 MB in the beginning and 89.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.37 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 89.9 MB in the beginning and 179.7 MB in the end (delta: -89.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 388.96 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 164.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17824.74 ms. Allocated memory was 202.4 MB in the beginning and 280.0 MB in the end (delta: 77.6 MB). Free memory was 163.3 MB in the beginning and 173.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant [2020-09-21 11:31:54,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] + 4294967296 * ((unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] * -1 + unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] + 4294967295) / 4294967296) <= unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] || 4294967296 * (index2 / 4294967296) + index1 <= 4294967296 * (index1 / 4294967296) + index2) && 4294967296 * (((index1 + -1) / 4294967296 * -4294967296 + index2 + 1) / 4294967296) + index1 <= index2 + 1) && index2 <= 4294967296 * (index2 / 4294967296) + 99999) || (index2 <= 4294967296 * (index2 / 4294967296) + 99999 && loop_entered == 0) - InvariantResult [Line: 43]: Loop Invariant [2020-09-21 11:31:54,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:31:54,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (4294967296 * (((index1 + -1) / 4294967296 * -4294967296 + index2 + 1) / 4294967296) + index1 <= index2 + 1 && ((index1 <= 4294967296 * (index1 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] + 4294967296 * ((unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] * -1 + unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] + 4294967295) / 4294967296) <= unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array]) || (((4294967296 * (index2 / 4294967296) + 2147483647 < index2 && unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184] + 4294967296 * ((unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array + -17179869184] + unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184] * -1 + 4294967295) / 4294967296) <= unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array + -17179869184]) || (index2 <= 4294967296 * (index2 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184] + 4294967296 * ((unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] + unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184] * -1 + 4294967295) / 4294967296) <= unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array])) && 4294967296 * (index1 / 4294967296) + 2147483647 < index1))) || 4294967296 * (index2 / 4294967296) + index1 + 1 <= 4294967296 * (index1 / 4294967296) + index2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.1s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 135 SDtfs, 68 SDslu, 200 SDs, 0 SdLazy, 457 SolverSat, 45 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 24 PreInvPairs, 34 NumberOfFragments, 830 HoareAnnotationTreeSize, 24 FomulaSimplifications, 235 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 13 FomulaSimplificationsInter, 1259 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 88395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 49/50 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...